From 93b7434d5c50c1c189f5916e59023fcf0be44ba9 Mon Sep 17 00:00:00 2001 From: Mohammad S Anwar Date: Mon, 28 Mar 2022 05:59:05 +0100 Subject: - Added template for week 158. --- challenge-158/0rir/README | 2 + challenge-158/2colours/README | 1 + challenge-158/3ter/README | 1 + challenge-158/LoneWolfiNTj/README | 1 + challenge-158/aaron-rowe/README | 1 + challenge-158/aaron-sherman/README | 1 + challenge-158/aaronreidsmith/README | 1 + challenge-158/abigail/README.md | 51 +++++ challenge-158/adam-russell/README | 1 + challenge-158/adherzog/README | 1 + challenge-158/ailbhe-tweedie/README | 1 + challenge-158/alex-daniel/README | 1 + challenge-158/alexander-karelas/README | 1 + challenge-158/alexander-pankoff/README | 1 + challenge-158/alicia-bielsa/README | 1 + challenge-158/andinus/README | 51 +++++ challenge-158/andrezgz/README | 1 + challenge-158/anton-fedotov/README | 1 + challenge-158/antonio-gamiz/README | 1 + challenge-158/arne-sommer/README | 1 + challenge-158/arpad-toth/README | 1 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challenge-158/xkr47/README create mode 100644 challenge-158/xliff/README create mode 100644 challenge-158/yary-h/README create mode 100644 challenge-158/yet-ebreo/README create mode 100644 challenge-158/yozen-hernandez/README create mode 100644 challenge-158/ziameraj16/README.md create mode 100644 challenge-158/ziameraj16/kotlin/META-INF/main.kotlin_module create mode 100644 challenge-158/ziruzavar/README diff --git a/challenge-158/0rir/README b/challenge-158/0rir/README new file mode 100644 index 0000000000..48ee4684c2 --- /dev/null +++ b/challenge-158/0rir/README @@ -0,0 +1,2 @@ + +Solution by Robert Ransbottom. diff --git a/challenge-158/2colours/README b/challenge-158/2colours/README new file mode 100644 index 0000000000..6894fbec08 --- /dev/null +++ b/challenge-158/2colours/README @@ -0,0 +1 @@ +Solution By Márton Polgár. diff --git a/challenge-158/3ter/README b/challenge-158/3ter/README new file mode 100644 index 0000000000..8c594431f3 --- /dev/null +++ b/challenge-158/3ter/README @@ -0,0 +1 @@ +Solutions by 3ter. diff --git a/challenge-158/LoneWolfiNTj/README b/challenge-158/LoneWolfiNTj/README new file mode 100755 index 0000000000..bf42ad2482 --- /dev/null +++ b/challenge-158/LoneWolfiNTj/README @@ -0,0 +1 @@ +Solution by Robbie Hatley (github user "LoneWolfiNTj"). \ No newline at end of file diff --git a/challenge-158/aaron-rowe/README b/challenge-158/aaron-rowe/README new file mode 100644 index 0000000000..e14e0782fb --- /dev/null +++ b/challenge-158/aaron-rowe/README @@ -0,0 +1 @@ +Solutions by Aaron Rowe. diff --git a/challenge-158/aaron-sherman/README b/challenge-158/aaron-sherman/README new file mode 100644 index 0000000000..14ec31f570 --- /dev/null +++ b/challenge-158/aaron-sherman/README @@ -0,0 +1 @@ +Solutions by Aaron Sherman. diff --git a/challenge-158/aaronreidsmith/README b/challenge-158/aaronreidsmith/README new file mode 100644 index 0000000000..2fcfe1fdcc --- /dev/null +++ b/challenge-158/aaronreidsmith/README @@ -0,0 +1 @@ +Solution by Aaron Smith diff --git a/challenge-158/abigail/README.md b/challenge-158/abigail/README.md new file mode 100644 index 0000000000..d9831f0606 --- /dev/null +++ b/challenge-158/abigail/README.md @@ -0,0 +1,51 @@ +# Solutions by Abigail + +## Part 1 + +* [AWK](awk/ch-1.awk) +* [Bash](bash/ch-1.sh) +* [C](c/ch-1.c) +* [Go](go/ch-1.go) +* [Java](java/ch-1.java) +* [Lua](lua/ch-1.lua) +* [Node.js](node/ch-1.js) +* [Pascal](pascal/ch-1.p) +* [Perl](perl/ch-1.pl) +* [Python](python/ch-1.py) +* [R](r/ch-1.r) +* [Ruby](ruby/ch-1.rb) +* [Tcl](tcl/ch-1.tcl) + + +## Part 2 + +* [AWK](awk/ch-2.awk) +* [Bash](bash/ch-2.sh) +* [Basic](basic/ch-2.bas) +* [bc](bc/ch-2.bc) +* [Befunge-93](befunge-93/ch-2.bf93) +* [C](c/ch-2.c) +* [Cobol](cobol/ch-2.cb) +* [Csh](csh/ch-2.csh) +* [Erlang](erlang/ch-2.erl) +* [Forth](forth/ch-2.fs) +* [Fortran](fortran/ch-2.f90) +* [Go](go/ch-2.go) +* [Java](java/ch-2.java) +* [Lua](lua/ch-2.lua) +* [M4](m4/ch-2.m4) +* [MMIX](mmix/ch-2.mms) +* [Node.js](node/ch-2.js) +* [OCaml](ocaml/ch-2.ml) +* [Pascal](pascal/ch-2.p) +* [Perl](perl/ch-2.pl) +* [PHP](php/ch-2.php) +* [PostScript](postscript/ch-2.ps) +* [Python](python/ch-2.py) +* [R](r/ch-2.r) +* [Rexx](rexx/ch-2.rexx) +* [Ruby](ruby/ch-2.rb) +* [Scheme](scheme/ch-2.scm) +* [sed](sed/ch-2.sed) +* [sql](sql/ch-2.sql) +* [Tcl](tcl/ch-2.tcl) diff --git a/challenge-158/adam-russell/README b/challenge-158/adam-russell/README new file mode 100644 index 0000000000..1d2e2957c5 --- /dev/null +++ b/challenge-158/adam-russell/README @@ -0,0 +1 @@ +Solution by Adam Russell diff --git a/challenge-158/adherzog/README b/challenge-158/adherzog/README new file mode 100644 index 0000000000..b59913be6c --- /dev/null +++ b/challenge-158/adherzog/README @@ -0,0 +1 @@ +Solutions by Adam Herzog. diff --git a/challenge-158/ailbhe-tweedie/README b/challenge-158/ailbhe-tweedie/README new file mode 100644 index 0000000000..36d4034b70 --- /dev/null +++ b/challenge-158/ailbhe-tweedie/README @@ -0,0 +1 @@ +Solution by Ailbhe Tweedie diff --git a/challenge-158/alex-daniel/README b/challenge-158/alex-daniel/README new file mode 100644 index 0000000000..65550789bd --- /dev/null +++ b/challenge-158/alex-daniel/README @@ -0,0 +1 @@ +Solution by Alex Daniel. diff --git a/challenge-158/alexander-karelas/README b/challenge-158/alexander-karelas/README new file mode 100644 index 0000000000..3de9fce8d9 --- /dev/null +++ b/challenge-158/alexander-karelas/README @@ -0,0 +1 @@ +Solution by Alexander Karelas diff --git a/challenge-158/alexander-pankoff/README b/challenge-158/alexander-pankoff/README new file mode 100644 index 0000000000..41f67807ac --- /dev/null +++ b/challenge-158/alexander-pankoff/README @@ -0,0 +1 @@ +Solution by Alexander Pankoff diff --git a/challenge-158/alicia-bielsa/README b/challenge-158/alicia-bielsa/README new file mode 100644 index 0000000000..c5187874c3 --- /dev/null +++ b/challenge-158/alicia-bielsa/README @@ -0,0 +1 @@ +Solution by Alicia Beilsa. diff --git a/challenge-158/andinus/README b/challenge-158/andinus/README new file mode 100644 index 0000000000..bd1dd6e3ce --- /dev/null +++ b/challenge-158/andinus/README @@ -0,0 +1,51 @@ + ━━━━━━━━━━━━━━━ + CHALLENGE 135 + + Andinus + ━━━━━━━━━━━━━━━ + + + 2021-10-22 + + + + + +Task 1 - Middle 3-digits +════════════════════════ + + You are given an integer. + + Write a script find out the middle 3-digits of the given integer, if + possible otherwise throw sensible error. + + ┌──── + │ Input: $n = 1234567 + │ Output: 345 + │ + │ Input: $n = -123 + │ Output: 123 + │ + │ Input: $n = 1 + │ Output: too short + │ + │ Input: $n = 10 + │ Output: even number of digits + └──── + + +Raku +──── + + Input's absolute value is taken because the sign is meaningless here. + To get middle 3-digits we take 3 digits from `$n.chars div 2 - 1' + position, `-1' because Arrays are 0-indexed. It's guaranteed that we + have odd number of digits so `div 2' will land us on left of middle + digit, we just take 3 digits from there. + + ┌──── + │ $n = abs $n; + │ die "too short" if $n.chars < 3; + │ die "even number of digits" if $n.chars %% 2; + │ put $n.substr($n.chars div 2 - 1, 3); + └──── diff --git a/challenge-158/andrezgz/README b/challenge-158/andrezgz/README new file mode 100644 index 0000000000..f4fd0da88e --- /dev/null +++ b/challenge-158/andrezgz/README @@ -0,0 +1 @@ +Solution by Andrezgz diff --git a/challenge-158/anton-fedotov/README b/challenge-158/anton-fedotov/README new file mode 100644 index 0000000000..f7c4f6deed --- /dev/null +++ b/challenge-158/anton-fedotov/README @@ -0,0 +1 @@ +Solutions by Anton Fedotov. diff --git a/challenge-158/antonio-gamiz/README b/challenge-158/antonio-gamiz/README new file mode 100644 index 0000000000..1f5ed5871a --- /dev/null +++ b/challenge-158/antonio-gamiz/README @@ -0,0 +1 @@ +Solution by Antonio Gamiz diff --git a/challenge-158/arne-sommer/README b/challenge-158/arne-sommer/README new file mode 100644 index 0000000000..b5d88e4df4 --- /dev/null +++ b/challenge-158/arne-sommer/README @@ -0,0 +1 @@ +Solution by Arne Sommer. diff --git a/challenge-158/arpad-toth/README b/challenge-158/arpad-toth/README new file mode 100644 index 0000000000..6661dd82c1 --- /dev/null +++ b/challenge-158/arpad-toth/README @@ -0,0 +1 @@ +Solution by Arpad Toth diff --git a/challenge-158/ash/README b/challenge-158/ash/README new file mode 100644 index 0000000000..318b1bfb41 --- /dev/null +++ b/challenge-158/ash/README @@ -0,0 +1 @@ +Solutions by Andrew Shitov diff --git a/challenge-158/athanasius/README b/challenge-158/athanasius/README new file mode 100644 index 0000000000..cc357fda4a --- /dev/null +++ b/challenge-158/athanasius/README @@ -0,0 +1 @@ +Solution by Athanasius diff --git a/challenge-158/aubrey-quarcoo/README b/challenge-158/aubrey-quarcoo/README new file mode 100644 index 0000000000..8e63a2c1f5 --- /dev/null +++ b/challenge-158/aubrey-quarcoo/README @@ -0,0 +1 @@ +Solution by Aubrey Quarcoo diff --git a/challenge-158/aviral-goel/README b/challenge-158/aviral-goel/README new file mode 100644 index 0000000000..e64ee14512 --- /dev/null +++ b/challenge-158/aviral-goel/README @@ -0,0 +1 @@ +Solutions by Aviral Goel. diff --git a/challenge-158/belmark-caday/README b/challenge-158/belmark-caday/README new file mode 100644 index 0000000000..6726590965 --- /dev/null +++ b/challenge-158/belmark-caday/README @@ -0,0 +1 @@ +Solutions by Belmark Caday. diff --git a/challenge-158/ben-davies/README.md b/challenge-158/ben-davies/README.md new file mode 100644 index 0000000000..77158344c9 --- /dev/null +++ b/challenge-158/ben-davies/README.md @@ -0,0 +1 @@ +Solution by Ben Davies diff --git a/challenge-158/bill-palmer/README b/challenge-158/bill-palmer/README new file mode 100644 index 0000000000..08ec849a41 --- /dev/null +++ b/challenge-158/bill-palmer/README @@ -0,0 +1 @@ +Solution by Bill Palmer. diff --git a/challenge-158/bkb/README b/challenge-158/bkb/README new file mode 100644 index 0000000000..4721993bb3 --- /dev/null +++ b/challenge-158/bkb/README @@ -0,0 +1 @@ +Solution by Ben Bullock. diff --git a/challenge-158/bob-kleemann/README b/challenge-158/bob-kleemann/README new file mode 100644 index 0000000000..78680e4035 --- /dev/null +++ b/challenge-158/bob-kleemann/README @@ -0,0 +1 @@ +Solution by Bob Kleemann diff --git a/challenge-158/bob-lied/README b/challenge-158/bob-lied/README new file mode 100644 index 0000000000..c231e3a589 --- /dev/null +++ b/challenge-158/bob-lied/README @@ -0,0 +1,3 @@ +Solutions to weekly challenge 138 by Bob Lied + +https://perlweeklychallenge.org/blog/perl-weekly-challenge-138/ diff --git a/challenge-158/brtastic/README b/challenge-158/brtastic/README new file mode 100644 index 0000000000..0fbe79fd6f --- /dev/null +++ b/challenge-158/brtastic/README @@ -0,0 +1 @@ +Solutions by Bartosz Jarzyna. diff --git a/challenge-158/bruce-gray/README b/challenge-158/bruce-gray/README new file mode 100644 index 0000000000..58a8668633 --- /dev/null +++ b/challenge-158/bruce-gray/README @@ -0,0 +1 @@ +Solutions by Bruce Gray diff --git a/challenge-158/bruno-ramos/README b/challenge-158/bruno-ramos/README new file mode 100644 index 0000000000..9d631dad8f --- /dev/null +++ b/challenge-158/bruno-ramos/README @@ -0,0 +1 @@ +Solutions by Bruno Ramos. diff --git a/challenge-158/burkhard-nickels/README b/challenge-158/burkhard-nickels/README new file mode 100644 index 0000000000..f5e16bb98b --- /dev/null +++ b/challenge-158/burkhard-nickels/README @@ -0,0 +1 @@ +Solutions by Burkhard Nickels. diff --git a/challenge-158/bwva/README b/challenge-158/bwva/README new file mode 100644 index 0000000000..ee6a7d7dc1 --- /dev/null +++ b/challenge-158/bwva/README @@ -0,0 +1 @@ +Solution(s) by bwva (Bruce Van Allen) diff --git a/challenge-158/cheok-yin-fung/README b/challenge-158/cheok-yin-fung/README new file mode 100644 index 0000000000..05c1883e53 --- /dev/null +++ b/challenge-158/cheok-yin-fung/README @@ -0,0 +1 @@ + Solutions by Cheok-Yin Fung. diff --git a/challenge-158/christian-jaeger/README b/challenge-158/christian-jaeger/README new file mode 100644 index 0000000000..4ef4f11c10 --- /dev/null +++ b/challenge-158/christian-jaeger/README @@ -0,0 +1 @@ +Solution by Christian Jaeger diff --git a/challenge-158/cliveholloway/README b/challenge-158/cliveholloway/README new file mode 100644 index 0000000000..b69201296e --- /dev/null +++ b/challenge-158/cliveholloway/README @@ -0,0 +1 @@ +Solution by Clive Holloway diff --git a/challenge-158/colin-crain/README b/challenge-158/colin-crain/README new file mode 100644 index 0000000000..2a5d87e97d --- /dev/null +++ b/challenge-158/colin-crain/README @@ -0,0 +1 @@ +Solutions by Colin Crain. diff --git a/challenge-158/conor-hoekstra/README b/challenge-158/conor-hoekstra/README new file mode 100644 index 0000000000..d04e921681 --- /dev/null +++ b/challenge-158/conor-hoekstra/README @@ -0,0 +1 @@ +Solutions by Conor Hoekstra. diff --git a/challenge-158/craig/README b/challenge-158/craig/README new file mode 100644 index 0000000000..18088481eb --- /dev/null +++ b/challenge-158/craig/README @@ -0,0 +1 @@ +Solutions by Craig. diff --git a/challenge-158/creewick/README b/challenge-158/creewick/README new file mode 100644 index 0000000000..c490e4fb80 --- /dev/null +++ b/challenge-158/creewick/README @@ -0,0 +1 @@ +Solutions by Creewick. diff --git a/challenge-158/cristian-heredia/README b/challenge-158/cristian-heredia/README new file mode 100644 index 0000000000..c53da8a54c --- /dev/null +++ b/challenge-158/cristian-heredia/README @@ -0,0 +1 @@ +Solutions by Cristina Heredia. diff --git a/challenge-158/cybersnyder/README b/challenge-158/cybersnyder/README new file mode 100644 index 0000000000..b5afea93b0 --- /dev/null +++ b/challenge-158/cybersnyder/README @@ -0,0 +1 @@ +Solution by Rich Snyder aka cybersnyder diff --git a/challenge-158/daniel-mantovani/README b/challenge-158/daniel-mantovani/README new file mode 100644 index 0000000000..ed538216f2 --- /dev/null +++ b/challenge-158/daniel-mantovani/README @@ -0,0 +1 @@ +Solution by Daniel Mantovani diff --git a/challenge-158/daniel-mita/README b/challenge-158/daniel-mita/README new file mode 100644 index 0000000000..37339f491f --- /dev/null +++ b/challenge-158/daniel-mita/README @@ -0,0 +1 @@ +Solution by Daniel Mita diff --git a/challenge-158/daniel-pfeiffer/README b/challenge-158/daniel-pfeiffer/README new file mode 100644 index 0000000000..15db6b9242 --- /dev/null +++ b/challenge-158/daniel-pfeiffer/README @@ -0,0 +1 @@ +Solutions by Daniel Pfeiffer. diff --git a/challenge-158/darren-bottin/README b/challenge-158/darren-bottin/README new file mode 100644 index 0000000000..6c792afe8e --- /dev/null +++ b/challenge-158/darren-bottin/README @@ -0,0 +1 @@ +Solutions by Darren Bottin. diff --git a/challenge-158/dave-cross/README b/challenge-158/dave-cross/README new file mode 100644 index 0000000000..04b1b0623b --- /dev/null +++ b/challenge-158/dave-cross/README @@ -0,0 +1 @@ +Solution by Dave Cross diff --git a/challenge-158/dave-jacoby/README b/challenge-158/dave-jacoby/README new file mode 100644 index 0000000000..7c06689f16 --- /dev/null +++ b/challenge-158/dave-jacoby/README @@ -0,0 +1 @@ +Solution by Dave Jacoby diff --git a/challenge-158/david-kayal/README b/challenge-158/david-kayal/README new file mode 100644 index 0000000000..66f8615260 --- /dev/null +++ b/challenge-158/david-kayal/README @@ -0,0 +1 @@ +Solution by David Kayal diff --git a/challenge-158/david-santiago/README b/challenge-158/david-santiago/README new file mode 100644 index 0000000000..07584efe1d --- /dev/null +++ b/challenge-158/david-santiago/README @@ -0,0 +1 @@ +Solutions by David Santiago. diff --git a/challenge-158/ddobbelaere/README b/challenge-158/ddobbelaere/README new file mode 100644 index 0000000000..36f8cdcd67 --- /dev/null +++ b/challenge-158/ddobbelaere/README @@ -0,0 +1 @@ +Solution by Dieter Dobbelaere diff --git a/challenge-158/deadmarshal/README b/challenge-158/deadmarshal/README new file mode 100644 index 0000000000..243097dede --- /dev/null +++ b/challenge-158/deadmarshal/README @@ -0,0 +1 @@ +Solution by Ali Moradi \ No newline at end of file diff --git a/challenge-158/denis-yurashku/README b/challenge-158/denis-yurashku/README new file mode 100644 index 0000000000..2fea994000 --- /dev/null +++ b/challenge-158/denis-yurashku/README @@ -0,0 +1 @@ +Solutions by Denis Yurashku. diff --git a/challenge-158/dms061/readme b/challenge-158/dms061/readme new file mode 100644 index 0000000000..e2684c7d25 --- /dev/null +++ b/challenge-158/dms061/readme @@ -0,0 +1,8 @@ +Solutions by David Schwartz +Last updated: 5/16/2021 + +Contains: + Solutions for questions 1 and 2 in perl. + +The folders also contain examples of output generated from running the program. + diff --git a/challenge-158/donald-hunter/README b/challenge-158/donald-hunter/README new file mode 100644 index 0000000000..2eef878f17 --- /dev/null +++ b/challenge-158/donald-hunter/README @@ -0,0 +1 @@ +Solutions by Donald Hunter. diff --git a/challenge-158/doug-schrag/README b/challenge-158/doug-schrag/README new file mode 100644 index 0000000000..bf8a10ffb4 --- /dev/null +++ b/challenge-158/doug-schrag/README @@ -0,0 +1 @@ +Solution by Doug Schrag diff --git a/challenge-158/dracos/README b/challenge-158/dracos/README new file mode 100644 index 0000000000..a9a6517a03 --- /dev/null +++ b/challenge-158/dracos/README @@ -0,0 +1 @@ +Solutions by Matthew Somerville. diff --git a/challenge-158/duane-powell/README b/challenge-158/duane-powell/README new file mode 100644 index 0000000000..3445422743 --- /dev/null +++ b/challenge-158/duane-powell/README @@ -0,0 +1 @@ +Solutions by Duane Powell. diff --git a/challenge-158/duncan-c-white/README b/challenge-158/duncan-c-white/README new file mode 100644 index 0000000000..424d544222 --- /dev/null +++ b/challenge-158/duncan-c-white/README @@ -0,0 +1,67 @@ +TASK #1 - Pythagorean Means + +You are given a set of integers. + +Write a script to compute all three Pythagorean Means i.e Arithmetic Mean, +Geometric Mean and Harmonic Mean of the given set of integers. Please +refer to wikipedia page for more informations. + +Example 1: + + Input: @n = (1,3,5,6,9) + Output: AM = 4.8, GM = 3.9, HM = 2.8 + +Example 2: + + Input: @n = (2,4,6,8,10) + Output: AM = 6.0, GM = 5.2, HM = 4.4 + +Example 3: + + Input: @n = (1,2,3,4,5) + Output: AM = 3.0, GM = 2.6, HM = 2.2 + +MY NOTES: ok. Pretty easy, although the geometric mean involves +calculating the product of the numbers, which may get pretty huge. +Tried bigrat, but it broke the nth-root calculation using **. + + +TASK #2 - Brazilian Number + +You are given a number $n > 3. + +Write a script to find out if the given number is a Brazilian Number. + +A positive integer number N has at least one natural number B where +1 < B < N-1 where the representation of N in base B has same digits. + + +Example 1: + +Input: $n = 7 +Output: 1 + +Since 7 in base 2 is 111. + +Example 2: + +Input: $n = 6 +Output: 0 + +Since 6 in base 2 is 110, + 6 in base 3 is 20 and + 6 in base 4 is 12. + +Example 3: + +Input: $n = 8 +Output: 1 + +Since 8 in base 3 is 22. + + +MY NOTES: ok, so "same digits" really means "the same base-b digit +repeated throughout the entire string". Sounds pretty easy. +Added debugging mode to produce and display the "Since" messages, +formatted nicely. Then added tabulate mode to show the first N +Brazilian numbers (this interoperates nicely with -d). diff --git a/challenge-158/e-choroba/README b/challenge-158/e-choroba/README new file mode 100644 index 0000000000..efff637bcb --- /dev/null +++ b/challenge-158/e-choroba/README @@ -0,0 +1 @@ +Solutions by E. Choroba. diff --git a/challenge-158/ealvar3z/README b/challenge-158/ealvar3z/README new file mode 100644 index 0000000000..a50c065308 --- /dev/null +++ b/challenge-158/ealvar3z/README @@ -0,0 +1 @@ +Solution by ealvar3z diff --git a/challenge-158/eddy-hs/README b/challenge-158/eddy-hs/README new file mode 100644 index 0000000000..0ed51d222d --- /dev/null +++ b/challenge-158/eddy-hs/README @@ -0,0 +1 @@ +Solution by Eddy HS diff --git a/challenge-158/eric-cheung/README b/challenge-158/eric-cheung/README new file mode 100644 index 0000000000..1bf6db4498 --- /dev/null +++ b/challenge-158/eric-cheung/README @@ -0,0 +1 @@ +Solutions by Eric Cheung. diff --git a/challenge-158/fabrizio-poggi/README b/challenge-158/fabrizio-poggi/README new file mode 100644 index 0000000000..3c17b29182 --- /dev/null +++ b/challenge-158/fabrizio-poggi/README @@ -0,0 +1 @@ +Solutions by Fabrizio Poggi. diff --git a/challenge-158/feng-chang/README b/challenge-158/feng-chang/README new file mode 100644 index 0000000000..74e56de3ed --- /dev/null +++ b/challenge-158/feng-chang/README @@ -0,0 +1 @@ +Solutions by Feng Chang. diff --git a/challenge-158/finanalyst/README b/challenge-158/finanalyst/README new file mode 100644 index 0000000000..15f7652e32 --- /dev/null +++ b/challenge-158/finanalyst/README @@ -0,0 +1 @@ +Solution by Richard Hainsworth, aka finanalyst diff --git a/challenge-158/finley/README b/challenge-158/finley/README new file mode 100644 index 0000000000..f08a121076 --- /dev/null +++ b/challenge-158/finley/README @@ -0,0 +1 @@ +Solution by Finley diff --git a/challenge-158/fjwhittle/README b/challenge-158/fjwhittle/README new file mode 100644 index 0000000000..7dcc95e189 --- /dev/null +++ b/challenge-158/fjwhittle/README @@ -0,0 +1 @@ +Solution by Francis Whittle diff --git a/challenge-158/frankivo/README b/challenge-158/frankivo/README new file mode 100644 index 0000000000..681b15b36c --- /dev/null +++ b/challenge-158/frankivo/README @@ -0,0 +1 @@ +Solution by Frank Oosterhuis. diff --git a/challenge-158/fred-zinn/README b/challenge-158/fred-zinn/README new file mode 100644 index 0000000000..17bac4f094 --- /dev/null +++ b/challenge-158/fred-zinn/README @@ -0,0 +1 @@ +Solution by Fred Zinn diff --git a/challenge-158/freddie-b/README b/challenge-158/freddie-b/README new file mode 100644 index 0000000000..823d7474b5 --- /dev/null +++ b/challenge-158/freddie-b/README @@ -0,0 +1 @@ +Solution by Freddie B diff --git a/challenge-158/garrett-goebel/README b/challenge-158/garrett-goebel/README new file mode 100644 index 0000000000..a8aa246dbb --- /dev/null +++ b/challenge-158/garrett-goebel/README @@ -0,0 +1 @@ +Solution by Garrett Goebel diff --git a/challenge-158/giuseppe-terlizzi/README b/challenge-158/giuseppe-terlizzi/README new file mode 100644 index 0000000000..0bff2a945c --- /dev/null +++ b/challenge-158/giuseppe-terlizzi/README @@ -0,0 +1 @@ +Solutions by Giuseppe Di Terlizzi. diff --git a/challenge-158/gugod/README b/challenge-158/gugod/README new file mode 100644 index 0000000000..509fd4c50c --- /dev/null +++ b/challenge-158/gugod/README @@ -0,0 +1 @@ +Solutions by Kang-min Liu. diff --git a/challenge-158/gugod/rust/.gitignore b/challenge-158/gugod/rust/.gitignore new file mode 100644 index 0000000000..ac77297bfe --- /dev/null +++ b/challenge-158/gugod/rust/.gitignore @@ -0,0 +1,2 @@ +ch-1 +ch-2 diff --git a/challenge-158/guillermo-ramos/README b/challenge-158/guillermo-ramos/README new file mode 100644 index 0000000000..a39eb01bff --- /dev/null +++ b/challenge-158/guillermo-ramos/README @@ -0,0 +1 @@ +Solution by Guillermo Ramos. diff --git a/challenge-158/gurunandan-bhat/README b/challenge-158/gurunandan-bhat/README new file mode 100644 index 0000000000..495f4cfafa --- /dev/null +++ b/challenge-158/gurunandan-bhat/README @@ -0,0 +1 @@ +Solutions by Gurunandan Bhat. diff --git a/challenge-158/gustavo-chaves/README b/challenge-158/gustavo-chaves/README new file mode 100644 index 0000000000..a66bbbf8a3 --- /dev/null +++ b/challenge-158/gustavo-chaves/README @@ -0,0 +1 @@ +Solution by Gustavo Chaves diff --git a/challenge-158/hatorikibble/README b/challenge-158/hatorikibble/README new file mode 100644 index 0000000000..51a9cd4411 --- /dev/null +++ b/challenge-158/hatorikibble/README @@ -0,0 +1 @@ +Solution by Peter Mayr diff --git a/challenge-158/hauke-d/README b/challenge-158/hauke-d/README new file mode 100644 index 0000000000..e201aa0abc --- /dev/null +++ b/challenge-158/hauke-d/README @@ -0,0 +1 @@ +Solutions by Hauke Dämpfling. diff --git a/challenge-158/henry-wong/README b/challenge-158/henry-wong/README new file mode 100644 index 0000000000..3d63a6f0be --- /dev/null +++ b/challenge-158/henry-wong/README @@ -0,0 +1 @@ +Solution by Henry Wong diff --git a/challenge-158/hstejas/README b/challenge-158/hstejas/README new file mode 100644 index 0000000000..969c5c0569 --- /dev/null +++ b/challenge-158/hstejas/README @@ -0,0 +1 @@ +Solution by Tejas diff --git a/challenge-158/iangoodnight/README.md b/challenge-158/iangoodnight/README.md new file mode 100644 index 0000000000..2a4a23a28c --- /dev/null +++ b/challenge-158/iangoodnight/README.md @@ -0,0 +1 @@ +Solution by Ian Goodnight diff --git a/challenge-158/ianrifkin/README b/challenge-158/ianrifkin/README new file mode 100644 index 0000000000..2d26297fb9 --- /dev/null +++ b/challenge-158/ianrifkin/README @@ -0,0 +1 @@ +Solution by Ian Rifkin. \ No newline at end of file diff --git a/challenge-158/izifresh/README b/challenge-158/izifresh/README new file mode 100644 index 0000000000..aedce7c408 --- /dev/null +++ b/challenge-158/izifresh/README @@ -0,0 +1 @@ +Solution by izifresh \ No newline at end of file diff --git a/challenge-158/jacques-guinnebault/README b/challenge-158/jacques-guinnebault/README new file mode 100644 index 0000000000..9d3e7c037f --- /dev/null +++ b/challenge-158/jacques-guinnebault/README @@ -0,0 +1 @@ +Solution by Jacques Guinnebault. diff --git a/challenge-158/jaguart/README.md b/challenge-158/jaguart/README.md new file mode 100644 index 0000000000..2552bdc896 --- /dev/null +++ b/challenge-158/jaguart/README.md @@ -0,0 +1,6 @@ + +Solutions by git:jaguart Jeff Armstrong. + +Raku newbie. + +Credit to: Mark Anderson diff --git a/challenge-158/jaime/README b/challenge-158/jaime/README new file mode 100644 index 0000000000..007cb58459 --- /dev/null +++ b/challenge-158/jaime/README @@ -0,0 +1,59 @@ +# Task #1 + +Write a script to display months from the year 1900 to 2019 where you +find 5 weekends i.e. 5 Friday, 5 Saturday and 5 Sunday. + +## Solution + +Months that contain five full weekends have 31 days and start on a Friday. Use `cal` to display March 2019 as an example. + +``` +#$ cal -h -m 3 2019 # cal is a UNIX utility + March 2019 +Su Mo Tu We Th Fr Sa + 1 2 + 3 4 5 6 7 8 9 +10 11 12 13 14 15 16 +17 18 19 20 21 22 23 +24 25 26 27 28 29 30 +31 +``` + +The solution runs `cal` and displays months that match this unique +layout. + +# Task #2 + +Write a script that can wrap the given paragraph at a specified column +using the greedy algorithm. + +A simple way to do word wrapping is to use a greedy algorithm that +puts as many words on a line as possible, then moving on to the next +line to do the same until there are no more words left to place. This +method is used by many modern word processors, such as OpenOffice.org +Writer and Microsoft Word[citation needed]. This algorithm always uses +the minimum possible number of lines but may lead to lines of widely +varying lengths. The following pseudocode implements this algorithm: + +``` +SpaceLeft := LineWidth +for each Word in Text + if (Width(Word) + SpaceWidth) > SpaceLeft + insert line break before Word in Text + SpaceLeft := LineWidth - Width(Word) + else + SpaceLeft := SpaceLeft - (Width(Word) + SpaceWidth) +``` + +Where LineWidth is the width of a line, SpaceLeft is the remaining +width of space on the line to fill, SpaceWidth is the width of a +single space character, Text is the input text to iterate over and +Word is a word in this text. + +## Solution + +The solution follows the recommended pseudocode. Minor improvements +avoid trailing whitespace. + +The script uses `Text::ParseWords::shellwords` from the standard +library to extract chunks of words from ``. diff --git a/challenge-158/jake/README b/challenge-158/jake/README new file mode 100644 index 0000000000..2e6084589f --- /dev/null +++ b/challenge-158/jake/README @@ -0,0 +1 @@ +Solutions by Jake. diff --git a/challenge-158/jaldhar-h-vyas/README b/challenge-158/jaldhar-h-vyas/README new file mode 100644 index 0000000000..7dce927eca --- /dev/null +++ b/challenge-158/jaldhar-h-vyas/README @@ -0,0 +1 @@ +Solution by Jaldhar H. Vyas diff --git a/challenge-158/james-raspass/README b/challenge-158/james-raspass/README new file mode 100644 index 0000000000..e8b9d803c6 --- /dev/null +++ b/challenge-158/james-raspass/README @@ -0,0 +1 @@ +Solution by James Raspass. diff --git a/challenge-158/james-smith/README.md b/challenge-158/james-smith/README.md new file mode 100644 index 0000000000..e2c34fce9a --- /dev/null +++ b/challenge-158/james-smith/README.md @@ -0,0 +1,73 @@ +[< Previous 156](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-156/james-smith) | +[Next 158 >](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-158/james-smith) +# The Weekly Challenge 157 + +You can find more information about this weeks, and previous weeks challenges at: + + https://theweeklychallenge.org/ + +If you are not already doing the challenge - it is a good place to practise your +**perl** or **raku**. If it is not **perl** or **raku** you develop in - you can +submit solutions in whichever language you feel comfortable with. + +You can find the solutions here on github at: + +https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-157/james-smith + +# Challenge 1 - Pythagorean Means + +***You are given a set of integers. Write a script to compute all three Pythagorean Means i.e. Arithmetic Mean, Geometric Mean and Harmonic Mean of the given set of integers.*** + +## The solution + +Computing the means is relatively straight forward. We just need to keep the sum of values, the product of values & the sum of their reciprocals. + +Once we have these sums, it is easy to return the respective means - dividing by `$N`, taking the `$N`-th root and taking `$N` divided by the sum. + +```perl +sub means { + my ($am, $gm, $hm) = (0, 1, 0); + $am+=$_, $gm*=$_, $hm+=1/$_ for @_; + ( $am/@_, $gm**(1/@_), @_/$hm ); +} +``` + +### Notes: + * we assume that (a) the list is not empty, and (b) all integer values are not equal to `0`. + * the code is optimal in the number of operators. + * We should note that if the array size is large the geometric mean product can get large (prior to taking the *n*th root). So the value of `$gm` could be multipled by the *n*th root of each number in turn. So the middle line would be `$gm*=$_**(1/@_)` and the last line would just contain `$gm`. + * If we look at the geometric mean of the numbers `1` .. `$N` then the naive method above fails when `$N` is `171` just returning `Inf`, whereas the code below continues working giving the right answer + * the other two means this shouldn't be an issue (the intermediate calculation is a summation) +```perl +sub means_scalable { + my ($am, $gm, $hm) = (0, 1, 0); + $am+=$_, $gm*=$_**(1/@_), $hm+=1/$_ for @_; + ( $am/@_, $gm, @_/$hm ); +} +``` + +# Challenge 2 - Brazilian Number + +***You are given a number `N > 3`. Write a script to find out if the given number is a Brazilian Number. A positive integer number `N` has at least one natural number `B` where `1 < B < N-1` where the representation of N in base B has same digits.*** + +## The solution + +For any value of `$B` we can check that the digits are the same by repeated integer division. We first store the last digit `$last` below, and compare each digit with this value. If they are the not the same we jump out of the inner loop to the next value of the outer loop `next OUTER`. So if they are the same it falls down to the `return 1;` inside the outer loop. If all fail we never get to the `return 1;` so return `0` from the last line of the function. + +```perl +sub is_brazilian { + OUTER: for my $b (2..$_[0]/2-1) { + my $last = (my $n=$_[0]) % $b; + $n % $b == $last || next OUTER while $n = int( $n/$b ); + return 1; + } + 0; +} +``` + +### Notes + * `{condition} || {command}` inside a `for` or `while` loop is the same as `unless( {condition} ) {command}` - it is often used when it makes a multi-line block into a single lined block with a postfix loop. This is useful to keep the overall code length shorter and therefore more-readable. Similarly can use `&&` for `if` and `?:` for `if`/`else`. + * We do not need to loop up to `$N-2` as the brazilian number will always be less than half this. So the `$b` loop is shorter - and makes the code run around 40-50% faster. + * `next {label}` is useful in many examples to jump out of inner loop without using *flag* variables to know whether the inner loop returned a *true* or *false* value. + * Conway frowns on this in PBP - but with such a short loop it is easy at a glance to see what the `next OUTER` does. + ( If the code was longer it may no longer be possible to see the outside of the loop when looking at in a "normal" terminal window. ) diff --git a/challenge-158/jan-perl/README b/challenge-158/jan-perl/README new file mode 100644 index 0000000000..70e335d7d7 --- /dev/null +++ b/challenge-158/jan-perl/README @@ -0,0 +1 @@ +Solution by Jan Hoogenraad diff --git a/challenge-158/jaredor/README b/challenge-158/jaredor/README new file mode 100644 index 0000000000..398fcc9bae --- /dev/null +++ b/challenge-158/jaredor/README @@ -0,0 +1 @@ +Solution by Jared Martin diff --git a/challenge-158/jason-messer/README b/challenge-158/jason-messer/README new file mode 100644 index 0000000000..db0556d981 --- /dev/null +++ b/challenge-158/jason-messer/README @@ -0,0 +1 @@ +Raku Solutions by Jason Messer diff --git a/challenge-158/javier-luque/README b/challenge-158/javier-luque/README new file mode 100644 index 0000000000..887e7fc81a --- /dev/null +++ b/challenge-158/javier-luque/README @@ -0,0 +1 @@ +Solutions by Javier Luque. diff --git a/challenge-158/jbourlakos/README b/challenge-158/jbourlakos/README new file mode 100644 index 0000000000..5ce76645d3 --- /dev/null +++ b/challenge-158/jbourlakos/README @@ -0,0 +1 @@ +So