From 62181ff9ca2372aa83e82cb24d0aaa0550d0e242 Mon Sep 17 00:00:00 2001 From: Mohammad S Anwar Date: Mon, 21 Mar 2022 05:15:22 +0000 Subject: - Added template for week 157. --- challenge-157/0rir/README | 2 + challenge-157/2colours/README | 1 + challenge-157/3ter/README | 1 + challenge-157/LoneWolfiNTj/README | 1 + challenge-157/aaron-rowe/README | 1 + challenge-157/aaron-sherman/README | 1 + challenge-157/aaronreidsmith/README | 1 + challenge-157/abigail/README.md | 51 +++++ challenge-157/adam-russell/README | 1 + challenge-157/adherzog/README | 1 + challenge-157/ailbhe-tweedie/README | 1 + challenge-157/alex-daniel/README | 1 + challenge-157/alexander-karelas/README | 1 + challenge-157/alexander-pankoff/README | 1 + challenge-157/alicia-bielsa/README | 1 + challenge-157/andinus/README | 51 +++++ challenge-157/andrezgz/README | 1 + challenge-157/anton-fedotov/README | 1 + challenge-157/antonio-gamiz/README | 1 + challenge-157/arne-sommer/README | 1 + challenge-157/arpad-toth/README | 1 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100644 index 0000000000..6894fbec08 --- /dev/null +++ b/challenge-157/2colours/README @@ -0,0 +1 @@ +Solution By Márton Polgár. diff --git a/challenge-157/3ter/README b/challenge-157/3ter/README new file mode 100644 index 0000000000..8c594431f3 --- /dev/null +++ b/challenge-157/3ter/README @@ -0,0 +1 @@ +Solutions by 3ter. diff --git a/challenge-157/LoneWolfiNTj/README b/challenge-157/LoneWolfiNTj/README new file mode 100755 index 0000000000..bf42ad2482 --- /dev/null +++ b/challenge-157/LoneWolfiNTj/README @@ -0,0 +1 @@ +Solution by Robbie Hatley (github user "LoneWolfiNTj"). \ No newline at end of file diff --git a/challenge-157/aaron-rowe/README b/challenge-157/aaron-rowe/README new file mode 100644 index 0000000000..e14e0782fb --- /dev/null +++ b/challenge-157/aaron-rowe/README @@ -0,0 +1 @@ +Solutions by Aaron Rowe. diff --git a/challenge-157/aaron-sherman/README b/challenge-157/aaron-sherman/README new file mode 100644 index 0000000000..14ec31f570 --- /dev/null +++ b/challenge-157/aaron-sherman/README @@ -0,0 +1 @@ +Solutions by Aaron Sherman. diff --git a/challenge-157/aaronreidsmith/README b/challenge-157/aaronreidsmith/README new file mode 100644 index 0000000000..2fcfe1fdcc --- /dev/null +++ b/challenge-157/aaronreidsmith/README @@ -0,0 +1 @@ +Solution by Aaron Smith diff --git a/challenge-157/abigail/README.md b/challenge-157/abigail/README.md new file mode 100644 index 0000000000..d9831f0606 --- /dev/null +++ b/challenge-157/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-157/adam-russell/README b/challenge-157/adam-russell/README new file mode 100644 index 0000000000..1d2e2957c5 --- /dev/null +++ b/challenge-157/adam-russell/README @@ -0,0 +1 @@ +Solution by Adam Russell diff --git a/challenge-157/adherzog/README b/challenge-157/adherzog/README new file mode 100644 index 0000000000..b59913be6c --- /dev/null +++ b/challenge-157/adherzog/README @@ -0,0 +1 @@ +Solutions by Adam Herzog. diff --git a/challenge-157/ailbhe-tweedie/README b/challenge-157/ailbhe-tweedie/README new file mode 100644 index 0000000000..36d4034b70 --- /dev/null +++ b/challenge-157/ailbhe-tweedie/README @@ -0,0 +1 @@ +Solution by Ailbhe Tweedie diff --git a/challenge-157/alex-daniel/README b/challenge-157/alex-daniel/README new file mode 100644 index 0000000000..65550789bd --- /dev/null +++ b/challenge-157/alex-daniel/README @@ -0,0 +1 @@ +Solution by Alex Daniel. diff --git a/challenge-157/alexander-karelas/README b/challenge-157/alexander-karelas/README new file mode 100644 index 0000000000..3de9fce8d9 --- /dev/null +++ b/challenge-157/alexander-karelas/README @@ -0,0 +1 @@ +Solution by Alexander Karelas diff --git a/challenge-157/alexander-pankoff/README b/challenge-157/alexander-pankoff/README new file mode 100644 index 0000000000..41f67807ac --- /dev/null +++ b/challenge-157/alexander-pankoff/README @@ -0,0 +1 @@ +Solution by Alexander Pankoff diff --git a/challenge-157/alicia-bielsa/README b/challenge-157/alicia-bielsa/README new file mode 100644 index 0000000000..c5187874c3 --- /dev/null +++ b/challenge-157/alicia-bielsa/README @@ -0,0 +1 @@ +Solution by Alicia Beilsa. diff --git a/challenge-157/andinus/README b/challenge-157/andinus/README new file mode 100644 index 0000000000..bd1dd6e3ce --- /dev/null +++ b/challenge-157/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-157/andrezgz/README b/challenge-157/andrezgz/README new file mode 100644 index 0000000000..f4fd0da88e --- /dev/null +++ b/challenge-157/andrezgz/README @@ -0,0 +1 @@ +Solution by Andrezgz diff --git a/challenge-157/anton-fedotov/README b/challenge-157/anton-fedotov/README new file mode 100644 index 0000000000..f7c4f6deed --- /dev/null +++ b/challenge-157/anton-fedotov/README @@ -0,0 +1 @@ +Solutions by Anton Fedotov. diff --git a/challenge-157/antonio-gamiz/README b/challenge-157/antonio-gamiz/README new file mode 100644 index 0000000000..1f5ed5871a --- /dev/null +++ b/challenge-157/antonio-gamiz/README @@ -0,0 +1 @@ +Solution by Antonio Gamiz diff --git a/challenge-157/arne-sommer/README b/challenge-157/arne-sommer/README new file mode 100644 index 0000000000..b5d88e4df4 --- /dev/null +++ b/challenge-157/arne-sommer/README @@ -0,0 +1 @@ +Solution by Arne Sommer. diff --git a/challenge-157/arpad-toth/README b/challenge-157/arpad-toth/README new file mode 100644 index 0000000000..6661dd82c1 --- /dev/null +++ b/challenge-157/arpad-toth/README @@ -0,0 +1 @@ +Solution by Arpad Toth diff --git a/challenge-157/ash/README b/challenge-157/ash/README new file mode 100644 index 0000000000..318b1bfb41 --- /dev/null +++ b/challenge-157/ash/README @@ -0,0 +1 @@ +Solutions by Andrew Shitov diff --git a/challenge-157/athanasius/README b/challenge-157/athanasius/README new file mode 100644 index 0000000000..cc357fda4a --- /dev/null +++ b/challenge-157/athanasius/README @@ -0,0 +1 @@ +Solution by Athanasius diff --git a/challenge-157/aubrey-quarcoo/README b/challenge-157/aubrey-quarcoo/README new file mode 100644 index 0000000000..8e63a2c1f5 --- /dev/null +++ b/challenge-157/aubrey-quarcoo/README @@ -0,0 +1 @@ +Solution by Aubrey Quarcoo diff --git a/challenge-157/aviral-goel/README b/challenge-157/aviral-goel/README new file mode 100644 index 0000000000..e64ee14512 --- /dev/null +++ b/challenge-157/aviral-goel/README @@ -0,0 +1 @@ +Solutions by Aviral Goel. diff --git a/challenge-157/belmark-caday/README b/challenge-157/belmark-caday/README new file mode 100644 index 0000000000..6726590965 --- /dev/null +++ b/challenge-157/belmark-caday/README @@ -0,0 +1 @@ +Solutions by Belmark Caday. diff --git a/challenge-157/ben-davies/README.md b/challenge-157/ben-davies/README.md new file mode 100644 index 0000000000..77158344c9 --- /dev/null +++ b/challenge-157/ben-davies/README.md @@ -0,0 +1 @@ +Solution by Ben Davies diff --git a/challenge-157/bill-palmer/README b/challenge-157/bill-palmer/README new file mode 100644 index 0000000000..08ec849a41 --- /dev/null +++ b/challenge-157/bill-palmer/README @@ -0,0 +1 @@ +Solution by Bill Palmer. diff --git a/challenge-157/bkb/README b/challenge-157/bkb/README new file mode 100644 index 0000000000..4721993bb3 --- /dev/null +++ b/challenge-157/bkb/README @@ -0,0 +1 @@ +Solution by Ben Bullock. diff --git a/challenge-157/bob-kleemann/README b/challenge-157/bob-kleemann/README new file mode 100644 index 0000000000..78680e4035 --- /dev/null +++ b/challenge-157/bob-kleemann/README @@ -0,0 +1 @@ +Solution by Bob Kleemann diff --git a/challenge-157/bob-lied/README b/challenge-157/bob-lied/README new file mode 100644 index 0000000000..c231e3a589 --- /dev/null +++ b/challenge-157/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-157/brtastic/README b/challenge-157/brtastic/README new file mode 100644 index 0000000000..0fbe79fd6f --- /dev/null +++ b/challenge-157/brtastic/README @@ -0,0 +1 @@ +Solutions by Bartosz Jarzyna. diff --git a/challenge-157/bruce-gray/README b/challenge-157/bruce-gray/README new file mode 100644 index 0000000000..58a8668633 --- /dev/null +++ b/challenge-157/bruce-gray/README @@ -0,0 +1 @@ +Solutions by Bruce Gray diff --git a/challenge-157/bruno-ramos/README b/challenge-157/bruno-ramos/README new file mode 100644 index 0000000000..9d631dad8f --- /dev/null +++ b/challenge-157/bruno-ramos/README @@ -0,0 +1 @@ +Solutions by Bruno Ramos. diff --git a/challenge-157/burkhard-nickels/README b/challenge-157/burkhard-nickels/README new file mode 100644 index 0000000000..f5e16bb98b --- /dev/null +++ b/challenge-157/burkhard-nickels/README @@ -0,0 +1 @@ +Solutions by Burkhard Nickels. diff --git a/challenge-157/bwva/README b/challenge-157/bwva/README new file mode 100644 index 0000000000..ee6a7d7dc1 --- /dev/null +++ b/challenge-157/bwva/README @@ -0,0 +1 @@ +Solution(s) by bwva (Bruce Van Allen) diff --git a/challenge-157/cheok-yin-fung/README b/challenge-157/cheok-yin-fung/README new file mode 100644 index 0000000000..05c1883e53 --- /dev/null +++ b/challenge-157/cheok-yin-fung/README @@ -0,0 +1 @@ + Solutions by Cheok-Yin Fung. diff --git a/challenge-157/christian-jaeger/README b/challenge-157/christian-jaeger/README new file mode 100644 index 0000000000..4ef4f11c10 --- /dev/null +++ b/challenge-157/christian-jaeger/README @@ -0,0 +1 @@ +Solution by Christian Jaeger diff --git a/challenge-157/cliveholloway/README b/challenge-157/cliveholloway/README new file mode 100644 index 0000000000..b69201296e --- /dev/null +++ b/challenge-157/cliveholloway/README @@ -0,0 +1 @@ +Solution by Clive Holloway diff --git a/challenge-157/colin-crain/README b/challenge-157/colin-crain/README new file mode 100644 index 0000000000..2a5d87e97d --- /dev/null +++ b/challenge-157/colin-crain/README @@ -0,0 +1 @@ +Solutions by Colin Crain. diff --git a/challenge-157/conor-hoekstra/README b/challenge-157/conor-hoekstra/README new file mode 100644 index 0000000000..d04e921681 --- /dev/null +++ b/challenge-157/conor-hoekstra/README @@ -0,0 +1 @@ +Solutions by Conor Hoekstra. diff --git a/challenge-157/craig/README b/challenge-157/craig/README new file mode 100644 index 0000000000..18088481eb --- /dev/null +++ b/challenge-157/craig/README @@ -0,0 +1 @@ +Solutions by Craig. diff --git a/challenge-157/creewick/README b/challenge-157/creewick/README new file mode 100644 index 0000000000..c490e4fb80 --- /dev/null +++ b/challenge-157/creewick/README @@ -0,0 +1 @@ +Solutions by Creewick. diff --git a/challenge-157/cristian-heredia/README b/challenge-157/cristian-heredia/README new file mode 100644 index 0000000000..c53da8a54c --- /dev/null +++ b/challenge-157/cristian-heredia/README @@ -0,0 +1 @@ +Solutions by Cristina Heredia. diff --git a/challenge-157/cybersnyder/README b/challenge-157/cybersnyder/README new file mode 100644 index 0000000000..b5afea93b0 --- /dev/null +++ b/challenge-157/cybersnyder/README @@ -0,0 +1 @@ +Solution by Rich Snyder aka cybersnyder diff --git a/challenge-157/daniel-mantovani/README b/challenge-157/daniel-mantovani/README new file mode 100644 index 0000000000..ed538216f2 --- /dev/null +++ b/challenge-157/daniel-mantovani/README @@ -0,0 +1 @@ +Solution by Daniel Mantovani diff --git a/challenge-157/daniel-mita/README b/challenge-157/daniel-mita/README new file mode 100644 index 0000000000..37339f491f --- /dev/null +++ b/challenge-157/daniel-mita/README @@ -0,0 +1 @@ +Solution by Daniel Mita diff --git a/challenge-157/daniel-pfeiffer/README b/challenge-157/daniel-pfeiffer/README new file mode 100644 index 0000000000..15db6b9242 --- /dev/null +++ b/challenge-157/daniel-pfeiffer/README @@ -0,0 +1 @@ +Solutions by Daniel Pfeiffer. diff --git a/challenge-157/darren-bottin/README b/challenge-157/darren-bottin/README new file mode 100644 index 0000000000..6c792afe8e --- /dev/null +++ b/challenge-157/darren-bottin/README @@ -0,0 +1 @@ +Solutions by Darren Bottin. diff --git a/challenge-157/dave-cross/README b/challenge-157/dave-cross/README new file mode 100644 index 0000000000..04b1b0623b --- /dev/null +++ b/challenge-157/dave-cross/README @@ -0,0 +1 @@ +Solution by Dave Cross diff --git a/challenge-157/dave-jacoby/README b/challenge-157/dave-jacoby/README new file mode 100644 index 0000000000..7c06689f16 --- /dev/null +++ b/challenge-157/dave-jacoby/README @@ -0,0 +1 @@ +Solution by Dave Jacoby diff --git a/challenge-157/david-kayal/README b/challenge-157/david-kayal/README new file mode 100644 index 0000000000..66f8615260 --- /dev/null +++ b/challenge-157/david-kayal/README @@ -0,0 +1 @@ +Solution by David Kayal diff --git a/challenge-157/david-santiago/README b/challenge-157/david-santiago/README new file mode 100644 index 0000000000..07584efe1d --- /dev/null +++ b/challenge-157/david-santiago/README @@ -0,0 +1 @@ +Solutions by David Santiago. diff --git a/challenge-157/ddobbelaere/README b/challenge-157/ddobbelaere/README new file mode 100644 index 0000000000..36f8cdcd67 --- /dev/null +++ b/challenge-157/ddobbelaere/README @@ -0,0 +1 @@ +Solution by Dieter Dobbelaere diff --git a/challenge-157/deadmarshal/README b/challenge-157/deadmarshal/README new file mode 100644 index 0000000000..243097dede --- /dev/null +++ b/challenge-157/deadmarshal/README @@ -0,0 +1 @@ +Solution by Ali Moradi \ No newline at end of file diff --git a/challenge-157/denis-yurashku/README b/challenge-157/denis-yurashku/README new file mode 100644 index 0000000000..2fea994000 --- /dev/null +++ b/challenge-157/denis-yurashku/README @@ -0,0 +1 @@ +Solutions by Denis Yurashku. diff --git a/challenge-157/dms061/readme b/challenge-157/dms061/readme new file mode 100644 index 0000000000..e2684c7d25 --- /dev/null +++ b/challenge-157/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-157/donald-hunter/README b/challenge-157/donald-hunter/README new file mode 100644 index 0000000000..2eef878f17 --- /dev/null +++ b/challenge-157/donald-hunter/README @@ -0,0 +1 @@ +Solutions by Donald Hunter. diff --git a/challenge-157/doug-schrag/README b/challenge-157/doug-schrag/README new file mode 100644 index 0000000000..bf8a10ffb4 --- /dev/null +++ b/challenge-157/doug-schrag/README @@ -0,0 +1 @@ +Solution by Doug Schrag diff --git a/challenge-157/dracos/README b/challenge-157/dracos/README new file mode 100644 index 0000000000..a9a6517a03 --- /dev/null +++ b/challenge-157/dracos/README @@ -0,0 +1 @@ +Solutions by Matthew Somerville. diff --git a/challenge-157/duane-powell/README b/challenge-157/duane-powell/README new file mode 100644 index 0000000000..3445422743 --- /dev/null +++ b/challenge-157/duane-powell/README @@ -0,0 +1 @@ +Solutions by Duane Powell. diff --git a/challenge-157/duncan-c-white/README b/challenge-157/duncan-c-white/README new file mode 100644 index 0000000000..3ddc10f2b9 --- /dev/null +++ b/challenge-157/duncan-c-white/README @@ -0,0 +1,52 @@ +TASK #1 - Pernicious Numbers + +Write a script to permute first 10 Pernicious Numbers. + +A pernicious number is a positive integer which has prime number of ones +in its binary representation. + +The first pernicious number is 3 since binary representation of 3 = +(11) and 1 + 1 = 2, which is a prime. + +Expected Output + +3, 5, 6, 7, 9, 10, 11, 12, 13, 14 + +MY NOTES: ok. Pretty easy. pernicious(n) = isprime(countones(binary(n))) + + +TASK #2 - Weird Number + +You are given number, $n > 0. + +Write a script to find out if the given number is a Weird Number. + +According to Wikipedia, it is defined as: + +The sum of the proper divisors (divisors including 1 but not itself) of +the number is greater than the number, but no subset of those divisors +sums to the number itself. + +Example 1: + + Input: $n = 12 + Output: 0 + +Since the proper divisors of 12 are 1, 2, 3, 4, and 6, which sum to 16; +but 2 + 4 + 6 = 12. + +Example 2: + + Input: $n = 70 + Output: 1 + +As the proper divisors of 70 are 1, 2, 5, 7, 10, 14, and 35; these sum +to 74, but no subset of these sums to 70. + +MY NOTES: ok. Handle "sum of subsets of these items" by noting that +each item may be present or absent, so have a counting loop from 0.. +2**(nitems)-1 and compute the sum of just those items selected by the +binary bits of the count that are 1. + +Bonus: I added a "tabulate" facility (eg. run with --tabulate 5 to +see the first 5 Weird numbers). diff --git a/challenge-157/e-choroba/README b/challenge-157/e-choroba/README new file mode 100644 index 0000000000..efff637bcb --- /dev/null +++ b/challenge-157/e-choroba/README @@ -0,0 +1 @@ +Solutions by E. Choroba. diff --git a/challenge-157/ealvar3z/README b/challenge-157/ealvar3z/README new file mode 100644 index 0000000000..a50c065308 --- /dev/null +++ b/challenge-157/ealvar3z/README @@ -0,0 +1 @@ +Solution by ealvar3z diff --git a/challenge-157/eddy-hs/README b/challenge-157/eddy-hs/README new file mode 100644 index 0000000000..0ed51d222d --- /dev/null +++ b/challenge-157/eddy-hs/README @@ -0,0 +1 @@ +Solution by Eddy HS diff --git a/challenge-157/eric-cheung/README b/challenge-157/eric-cheung/README new file mode 100644 index 0000000000..1bf6db4498 --- /dev/null +++ b/challenge-157/eric-cheung/README @@ -0,0 +1 @@ +Solutions by Eric Cheung. diff --git a/challenge-157/fabrizio-poggi/README b/challenge-157/fabrizio-poggi/README new file mode 100644 index 0000000000..3c17b29182 --- /dev/null +++ b/challenge-157/fabrizio-poggi/README @@ -0,0 +1 @@ +Solutions by Fabrizio Poggi. diff --git a/challenge-157/feng-chang/README b/challenge-157/feng-chang/README new file mode 100644 index 0000000000..74e56de3ed --- /dev/null +++ b/challenge-157/feng-chang/README @@ -0,0 +1 @@ +Solutions by Feng Chang. diff --git a/challenge-157/finanalyst/README b/challenge-157/finanalyst/README new file mode 100644 index 0000000000..15f7652e32 --- /dev/null +++ b/challenge-157/finanalyst/README @@ -0,0 +1 @@ +Solution by Richard Hainsworth, aka finanalyst diff --git a/challenge-157/finley/README b/challenge-157/finley/README new file mode 100644 index 0000000000..f08a121076 --- /dev/null +++ b/challenge-157/finley/README @@ -0,0 +1 @@ +Solution by Finley diff --git a/challenge-157/fjwhittle/README b/challenge-157/fjwhittle/README new file mode 100644 index 0000000000..7dcc95e189 --- /dev/null +++ b/challenge-157/fjwhittle/README @@ -0,0 +1 @@ +Solution by Francis Whittle diff --git a/challenge-157/frankivo/README b/challenge-157/frankivo/README new file mode 100644 index 0000000000..681b15b36c --- /dev/null +++ b/challenge-157/frankivo/README @@ -0,0 +1 @@ +Solution by Frank Oosterhuis. diff --git a/challenge-157/fred-zinn/README b/challenge-157/fred-zinn/README new file mode 100644 index 0000000000..17bac4f094 --- /dev/null +++ b/challenge-157/fred-zinn/README @@ -0,0 +1 @@ +Solution by Fred Zinn diff --git a/challenge-157/freddie-b/README b/challenge-157/freddie-b/README new file mode 100644 index 0000000000..823d7474b5 --- /dev/null +++ b/challenge-157/freddie-b/README @@ -0,0 +1 @@ +Solution by Freddie B diff --git a/challenge-157/garrett-goebel/README b/challenge-157/garrett-goebel/README new file mode 100644 index 0000000000..a8aa246dbb --- /dev/null +++ b/challenge-157/garrett-goebel/README @@ -0,0 +1 @@ +Solution by Garrett Goebel diff --git a/challenge-157/giuseppe-terlizzi/README b/challenge-157/giuseppe-terlizzi/README new file mode 100644 index 0000000000..0bff2a945c --- /dev/null +++ b/challenge-157/giuseppe-terlizzi/README @@ -0,0 +1 @@ +Solutions by Giuseppe Di Terlizzi. diff --git a/challenge-157/gugod/README b/challenge-157/gugod/README new file mode 100644 index 0000000000..509fd4c50c --- /dev/null +++ b/challenge-157/gugod/README @@ -0,0 +1 @@ +Solutions by Kang-min Liu. diff --git a/challenge-157/gugod/rust/.gitignore b/challenge-157/gugod/rust/.gitignore new file mode 100644 index 0000000000..ac77297bfe --- /dev/null +++ b/challenge-157/gugod/rust/.gitignore @@ -0,0 +1,2 @@ +ch-1 +ch-2 diff --git a/challenge-157/guillermo-ramos/README b/challenge-157/guillermo-ramos/README new file mode 100644 index 0000000000..a39eb01bff --- /dev/null +++ b/challenge-157/guillermo-ramos/README @@ -0,0 +1 @@ +Solution by Guillermo Ramos. diff --git a/challenge-157/gurunandan-bhat/README b/challenge-157/gurunandan-bhat/README new file mode 100644 index 0000000000..495f4cfafa --- /dev/null +++ b/challenge-157/gurunandan-bhat/README @@ -0,0 +1 @@ +Solutions by Gurunandan Bhat. diff --git a/challenge-157/gustavo-chaves/README b/challenge-157/gustavo-chaves/README new file mode 100644 index 0000000000..a66bbbf8a3 --- /dev/null +++ b/challenge-157/gustavo-chaves/README @@ -0,0 +1 @@ +Solution by Gustavo Chaves diff --git a/challenge-157/hatorikibble/README b/challenge-157/hatorikibble/README new file mode 100644 index 0000000000..51a9cd4411 --- /dev/null +++ b/challenge-157/hatorikibble/README @@ -0,0 +1 @@ +Solution by Peter Mayr diff --git a/challenge-157/hauke-d/README b/challenge-157/hauke-d/README new file mode 100644 index 0000000000..e201aa0abc --- /dev/null +++ b/challenge-157/hauke-d/README @@ -0,0 +1 @@ +Solutions by Hauke Dämpfling. diff --git a/challenge-157/henry-wong/README b/challenge-157/henry-wong/README new file mode 100644 index 0000000000..3d63a6f0be --- /dev/null +++ b/challenge-157/henry-wong/README @@ -0,0 +1 @@ +Solution by Henry Wong diff --git a/challenge-157/hstejas/README b/challenge-157/hstejas/README new file mode 100644 index 0000000000..969c5c0569 --- /dev/null +++ b/challenge-157/hstejas/README @@ -0,0 +1 @@ +Solution by Tejas diff --git a/challenge-157/iangoodnight/README.md b/challenge-157/iangoodnight/README.md new file mode 100644 index 0000000000..2a4a23a28c --- /dev/null +++ b/challenge-157/iangoodnight/README.md @@ -0,0 +1 @@ +Solution by Ian Goodnight diff --git a/challenge-157/ianrifkin/README b/challenge-157/ianrifkin/README new file mode 100644 index 0000000000..2d26297fb9 --- /dev/null +++ b/challenge-157/ianrifkin/README @@ -0,0 +1 @@ +Solution by Ian Rifkin. \ No newline at end of file diff --git a/challenge-157/izifresh/README b/challenge-157/izifresh/README new file mode 100644 index 0000000000..aedce7c408 --- /dev/null +++ b/challenge-157/izifresh/README @@ -0,0 +1 @@ +Solution by izifresh \ No newline at end of file diff --git a/challenge-157/jacques-guinnebault/README b/challenge-157/jacques-guinnebault/README new file mode 100644 index 0000000000..9d3e7c037f --- /dev/null +++ b/challenge-157/jacques-guinnebault/README @@ -0,0 +1 @@ +Solution by Jacques Guinnebault. diff --git a/challenge-157/jaguart/README.md b/challenge-157/jaguart/README.md new file mode 100644 index 0000000000..2552bdc896 --- /dev/null +++ b/challenge-157/jaguart/README.md @@ -0,0 +1,6 @@ + +Solutions by git:jaguart Jeff Armstrong. + +Raku newbie. + +Credit to: Mark Anderson diff --git a/challenge-157/jaime/README b/challenge-157/jaime/README new file mode 100644 index 0000000000..007cb58459 --- /dev/null +++ b/challenge-157/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-157/jake/README b/challenge-157/jake/README new file mode 100644 index 0000000000..2e6084589f --- /dev/null +++ b/challenge-157/jake/README @@ -0,0 +1 @@ +Solutions by Jake. diff --git a/challenge-157/jaldhar-h-vyas/README b/challenge-157/jaldhar-h-vyas/README new file mode 100644 index 0000000000..7dce927eca --- /dev/null +++ b/challenge-157/jaldhar-h-vyas/README @@ -0,0 +1 @@ +Solution by Jaldhar H. Vyas diff --git a/challenge-157/james-raspass/README b/challenge-157/james-raspass/README new file mode 100644 index 0000000000..e8b9d803c6 --- /dev/null +++ b/challenge-157/james-raspass/README @@ -0,0 +1 @@ +Solution by James Raspass. diff --git a/challenge-157/james-smith/README.md b/challenge-157/james-smith/README.md new file mode 100644 index 0000000000..319d3e9b43 --- /dev/null +++ b/challenge-157/james-smith/README.md @@ -0,0 +1,89 @@ +[< Previous 155](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-155/james-smith) | +[Next 157 >](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-157/james-smith) +# The Weekly Challenge #156 + +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-156/james-smith + +# Challenge 1 - Pernicious Numbers + +***Write a script to permute first 10 Pernicious Numbers. - A pernicious number is a positive integer which has prime number of ones in its binary representation.*** + +## The solution + +First of all we note that we don't need that large a number of primes - for values up to 1,000 we only need 2, 3, 5 & 7; for values up to 1 million 2, 3, 5, 7, 11, 13, 17 & 19. So we therefore hard code our list of primes. + +Counting the number of `1`s in the binary representation of the number is as simple as `spintf` the number in binary (`%b`) and then countins the `1s` with `tr/1/1/`. + +We use the `redo` trick of last week to get the first `$N` or in this case first `10` - we restart the loop each time we fail to find a perminicious number without moving the the next entry in the array. + +```perl +my %p = map { $_ => 1 } 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37; + +my $n=0; + +$n++, exists $p{(sprintf '%b', $n)=~tr/1/1/} ? (say $n) : redo for 1..10; +``` + +Expanding out the `for` loop we have the slightly more readable code: + +```perl +my %p = map { $_ => 1 } 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37; +my $n = 0; +for (1..10) { + $n++; + redo unless exists $p{(sprintf '%b', $n)=~tr/1/1/}; + say $n; +} +``` + +# Challenge 2 - Weird numbers + +***You are given number, $n > 0. Write a script to find out if the given number is a Weird Number - a number for which the sum of the proper divisors (divisors including 1 but not itself) of the number is greater than the number, but no subset of those divisors sums to the number itself.*** + +## The solution + +Our function `is_weird` can be split into 3 parts: + + * Get the proper factors and their sum of the proper factors and check to see if the first condition is not true - return `0`. + * For every combination of factors see if their sum is `$n` - if true for any combination we return `0` as not weird. + * Return `1` as the number is weird. + +```perl +sub is_weird { + my($s,$n) = (0,shift); + + $s+=$_ for my @fact = (1,map { $n%$_ ? () : ( $_, $_*$_==$n ? () : $n/$_ ) } 2..sqrt($n)); + + return 0 if $s <= $n; + + for my $ind ( 0..(1<<@fact)-1 ) { + my $t = -$n; + $ind ? ($ind & 1 && ($t+=$fact[$_]) ) : last, $ind>>=1 for 0..$#fact; + return 0 unless $t; + } + + return 1; ## Weird +} +``` + +**Notes:** + + * If we push both `$_` and `$n/$_` if `$_` is a factor - we have to check to see that `$n/$_` is not `$_` or `$_*$_ != $n`. + * With `map` - to remove the entry the block needs to *return* an empty array rather than a `undef` value. + * In part two we use the bit shift operators twice. Once when getting the number of combinations which is `2^#factors` which can be re-written as `1<<#factors`. We also use it to division by 2 (throwing away remainder) inside the inner loop. + * Once index `$ind` is 0 we can exit the loop early to avoid unnecessary calculations - reduces the processing time by about 20%. This is achieved by the: `$ind ? ... : last` phrase + * We can use "`,`" to stitch multiple simple commands together in a postfix `for` loop. *Not always a good thing - but in tight inner code can make the "structure" of the overall code easier to read. + +***Note:*** + + * That last comment may be a bit frivolous - but sometimes if you expand out the inner of a loop too much you cannot see the whole of the code - and so you lose the "macro"-picture for the "micro"-picture. Someone who is looking at the code than has less idea of what is actually going on overall! You can for-instance take it for granted that the code copes the sum of each combination of factors - and then see what the overall code does with this information! diff --git a/challenge-157/jan-perl/README b/challenge-157/jan-perl/README new file mode 100644 index 0000000000..70e335d7d7 --- /dev/null +++ b/challenge-157/jan-perl/README @@ -0,0 +1 @@ +Solution by Jan Hoogenraad diff --git a/challenge-157/jaredor/README b/challenge-157/jaredor/README new file mode 100644 index 0000000000..398fcc9bae --- /dev/null +++ b/challenge-157/jaredor/README @@ -0,0 +1 @@ +Solution by Jared Martin diff --git a/challenge-157/jason-messer/README b/challenge-157/jason-messer/README new file mode 100644 index 0000000000..db0556d981 --- /dev/null +++ b/challenge-157/jason-messer/README @@ -0,0 +1 @@ +Raku Solutions by Jason Messer diff --git a/challenge-157/javier-luque/README b/challenge-157/javier-luque/README new file mode