From 83a60a3be16f74882801abfea7f376f320db2a5e Mon Sep 17 00:00:00 2001 From: Mohammad S Anwar Date: Mon, 14 Feb 2022 08:00:00 +0000 Subject: - Added template for week 152. --- challenge-152/0rir/README | 2 + challenge-152/2colours/README | 1 + challenge-152/3ter/README | 1 + challenge-152/LoneWolfiNTj/README | 1 + challenge-152/aaron-rowe/README | 1 + challenge-152/aaron-sherman/README | 1 + challenge-152/aaronreidsmith/README | 1 + challenge-152/abigail/README.md | 30 +++ challenge-152/adam-russell/README | 1 + challenge-152/adherzog/README | 1 + challenge-152/ailbhe-tweedie/README | 1 + challenge-152/alex-daniel/README | 1 + challenge-152/alexander-karelas/README | 1 + challenge-152/alexander-pankoff/README | 1 + challenge-152/alicia-bielsa/README | 1 + challenge-152/andinus/README | 51 +++++ challenge-152/andrezgz/README | 1 + challenge-152/anton-fedotov/README | 1 + challenge-152/antonio-gamiz/README | 1 + challenge-152/arne-sommer/README | 1 + challenge-152/arpad-toth/README | 1 + 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challenge-152/ziruzavar/README diff --git a/challenge-152/0rir/README b/challenge-152/0rir/README new file mode 100644 index 0000000000..48ee4684c2 --- /dev/null +++ b/challenge-152/0rir/README @@ -0,0 +1,2 @@ + +Solution by Robert Ransbottom. diff --git a/challenge-152/2colours/README b/challenge-152/2colours/README new file mode 100644 index 0000000000..6894fbec08 --- /dev/null +++ b/challenge-152/2colours/README @@ -0,0 +1 @@ +Solution By Márton Polgár. diff --git a/challenge-152/3ter/README b/challenge-152/3ter/README new file mode 100644 index 0000000000..8c594431f3 --- /dev/null +++ b/challenge-152/3ter/README @@ -0,0 +1 @@ +Solutions by 3ter. diff --git a/challenge-152/LoneWolfiNTj/README b/challenge-152/LoneWolfiNTj/README new file mode 100755 index 0000000000..bf42ad2482 --- /dev/null +++ b/challenge-152/LoneWolfiNTj/README @@ -0,0 +1 @@ +Solution by Robbie Hatley (github user "LoneWolfiNTj"). \ No newline at end of file diff --git a/challenge-152/aaron-rowe/README b/challenge-152/aaron-rowe/README new file mode 100644 index 0000000000..e14e0782fb --- /dev/null +++ b/challenge-152/aaron-rowe/README @@ -0,0 +1 @@ +Solutions by Aaron Rowe. diff --git a/challenge-152/aaron-sherman/README b/challenge-152/aaron-sherman/README new file mode 100644 index 0000000000..14ec31f570 --- /dev/null +++ b/challenge-152/aaron-sherman/README @@ -0,0 +1 @@ +Solutions by Aaron Sherman. diff --git a/challenge-152/aaronreidsmith/README b/challenge-152/aaronreidsmith/README new file mode 100644 index 0000000000..2fcfe1fdcc --- /dev/null +++ b/challenge-152/aaronreidsmith/README @@ -0,0 +1 @@ +Solution by Aaron Smith diff --git a/challenge-152/abigail/README.md b/challenge-152/abigail/README.md new file mode 100644 index 0000000000..7c068e4d4a --- /dev/null +++ b/challenge-152/abigail/README.md @@ -0,0 +1,30 @@ +# Solutions by Abigail + +## Part 1 + +* [AWK](awk/ch-1.awk) +* [Bash](bash/ch-1.sh) +* [C](c/ch-1.c) +* [Lua](lua/ch-1.lua) +* [Node.js](node/ch-1.js) +* [Perl](perl/ch-1.pl) +* [Python](python/ch-1.py) +* [Ruby](ruby/ch-1.rb) + + +## Part 2 + +* [AWK](awk/ch-2.awk) +* [Bash](bash/ch-2.sh) +* [bc](bc/ch-2.bc) +* [C](c/ch-2.c) +* [Go](go/ch-2.go) +* [Java](java/ch-2.java) +* [Lua](lua/ch-2.lua) +* [Node.js](node/ch-2.js) +* [Pascal](pascal/ch-2.p) +* [Perl](perl/ch-2.pl) +* [Python](python/ch-2.py) +* [R](r/ch-2.r) +* [Ruby](ruby/ch-2.rb) +* [Tcl](tcl/ch-2.tcl) diff --git a/challenge-152/adam-russell/README b/challenge-152/adam-russell/README new file mode 100644 index 0000000000..1d2e2957c5 --- /dev/null +++ b/challenge-152/adam-russell/README @@ -0,0 +1 @@ +Solution by Adam Russell diff --git a/challenge-152/adherzog/README b/challenge-152/adherzog/README new file mode 100644 index 0000000000..b59913be6c --- /dev/null +++ b/challenge-152/adherzog/README @@ -0,0 +1 @@ +Solutions by Adam Herzog. diff --git a/challenge-152/ailbhe-tweedie/README b/challenge-152/ailbhe-tweedie/README new file mode 100644 index 0000000000..36d4034b70 --- /dev/null +++ b/challenge-152/ailbhe-tweedie/README @@ -0,0 +1 @@ +Solution by Ailbhe Tweedie diff --git a/challenge-152/alex-daniel/README b/challenge-152/alex-daniel/README new file mode 100644 index 0000000000..65550789bd --- /dev/null +++ b/challenge-152/alex-daniel/README @@ -0,0 +1 @@ +Solution by Alex Daniel. diff --git a/challenge-152/alexander-karelas/README b/challenge-152/alexander-karelas/README new file mode 100644 index 0000000000..3de9fce8d9 --- /dev/null +++ b/challenge-152/alexander-karelas/README @@ -0,0 +1 @@ +Solution by Alexander Karelas diff --git a/challenge-152/alexander-pankoff/README b/challenge-152/alexander-pankoff/README new file mode 100644 index 0000000000..41f67807ac --- /dev/null +++ b/challenge-152/alexander-pankoff/README @@ -0,0 +1 @@ +Solution by Alexander Pankoff diff --git a/challenge-152/alicia-bielsa/README b/challenge-152/alicia-bielsa/README new file mode 100644 index 0000000000..c5187874c3 --- /dev/null +++ b/challenge-152/alicia-bielsa/README @@ -0,0 +1 @@ +Solution by Alicia Beilsa. diff --git a/challenge-152/andinus/README b/challenge-152/andinus/README new file mode 100644 index 0000000000..bd1dd6e3ce --- /dev/null +++ b/challenge-152/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-152/andrezgz/README b/challenge-152/andrezgz/README new file mode 100644 index 0000000000..f4fd0da88e --- /dev/null +++ b/challenge-152/andrezgz/README @@ -0,0 +1 @@ +Solution by Andrezgz diff --git a/challenge-152/anton-fedotov/README b/challenge-152/anton-fedotov/README new file mode 100644 index 0000000000..f7c4f6deed --- /dev/null +++ b/challenge-152/anton-fedotov/README @@ -0,0 +1 @@ +Solutions by Anton Fedotov. diff --git a/challenge-152/antonio-gamiz/README b/challenge-152/antonio-gamiz/README new file mode 100644 index 0000000000..1f5ed5871a --- /dev/null +++ b/challenge-152/antonio-gamiz/README @@ -0,0 +1 @@ +Solution by Antonio Gamiz diff --git a/challenge-152/arne-sommer/README b/challenge-152/arne-sommer/README new file mode 100644 index 0000000000..b5d88e4df4 --- /dev/null +++ b/challenge-152/arne-sommer/README @@ -0,0 +1 @@ +Solution by Arne Sommer. diff --git a/challenge-152/arpad-toth/README b/challenge-152/arpad-toth/README new file mode 100644 index 0000000000..6661dd82c1 --- /dev/null +++ b/challenge-152/arpad-toth/README @@ -0,0 +1 @@ +Solution by Arpad Toth diff --git a/challenge-152/ash/README b/challenge-152/ash/README new file mode 100644 index 0000000000..318b1bfb41 --- /dev/null +++ b/challenge-152/ash/README @@ -0,0 +1 @@ +Solutions by Andrew Shitov diff --git a/challenge-152/athanasius/README b/challenge-152/athanasius/README new file mode 100644 index 0000000000..cc357fda4a --- /dev/null +++ b/challenge-152/athanasius/README @@ -0,0 +1 @@ +Solution by Athanasius diff --git a/challenge-152/aubrey-quarcoo/README b/challenge-152/aubrey-quarcoo/README new file mode 100644 index 0000000000..8e63a2c1f5 --- /dev/null +++ b/challenge-152/aubrey-quarcoo/README @@ -0,0 +1 @@ +Solution by Aubrey Quarcoo diff --git a/challenge-152/aviral-goel/README b/challenge-152/aviral-goel/README new file mode 100644 index 0000000000..e64ee14512 --- /dev/null +++ b/challenge-152/aviral-goel/README @@ -0,0 +1 @@ +Solutions by Aviral Goel. diff --git a/challenge-152/belmark-caday/README b/challenge-152/belmark-caday/README new file mode 100644 index 0000000000..6726590965 --- /dev/null +++ b/challenge-152/belmark-caday/README @@ -0,0 +1 @@ +Solutions by Belmark Caday. diff --git a/challenge-152/ben-davies/README.md b/challenge-152/ben-davies/README.md new file mode 100644 index 0000000000..77158344c9 --- /dev/null +++ b/challenge-152/ben-davies/README.md @@ -0,0 +1 @@ +Solution by Ben Davies diff --git a/challenge-152/bill-palmer/README b/challenge-152/bill-palmer/README new file mode 100644 index 0000000000..08ec849a41 --- /dev/null +++ b/challenge-152/bill-palmer/README @@ -0,0 +1 @@ +Solution by Bill Palmer. diff --git a/challenge-152/bkb/README b/challenge-152/bkb/README new file mode 100644 index 0000000000..4721993bb3 --- /dev/null +++ b/challenge-152/bkb/README @@ -0,0 +1 @@ +Solution by Ben Bullock. diff --git a/challenge-152/bob-kleemann/README b/challenge-152/bob-kleemann/README new file mode 100644 index 0000000000..78680e4035 --- /dev/null +++ b/challenge-152/bob-kleemann/README @@ -0,0 +1 @@ +Solution by Bob Kleemann diff --git a/challenge-152/bob-lied/README b/challenge-152/bob-lied/README new file mode 100644 index 0000000000..c231e3a589 --- /dev/null +++ b/challenge-152/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-152/brtastic/README b/challenge-152/brtastic/README new file mode 100644 index 0000000000..0fbe79fd6f --- /dev/null +++ b/challenge-152/brtastic/README @@ -0,0 +1 @@ +Solutions by Bartosz Jarzyna. diff --git a/challenge-152/bruce-gray/README b/challenge-152/bruce-gray/README new file mode 100644 index 0000000000..58a8668633 --- /dev/null +++ b/challenge-152/bruce-gray/README @@ -0,0 +1 @@ +Solutions by Bruce Gray diff --git a/challenge-152/bruno-ramos/README b/challenge-152/bruno-ramos/README new file mode 100644 index 0000000000..9d631dad8f --- /dev/null +++ b/challenge-152/bruno-ramos/README @@ -0,0 +1 @@ +Solutions by Bruno Ramos. diff --git a/challenge-152/burkhard-nickels/README b/challenge-152/burkhard-nickels/README new file mode 100644 index 0000000000..f5e16bb98b --- /dev/null +++ b/challenge-152/burkhard-nickels/README @@ -0,0 +1 @@ +Solutions by Burkhard Nickels. diff --git a/challenge-152/bwva/README b/challenge-152/bwva/README new file mode 100644 index 0000000000..ee6a7d7dc1 --- /dev/null +++ b/challenge-152/bwva/README @@ -0,0 +1 @@ +Solution(s) by bwva (Bruce Van Allen) diff --git a/challenge-152/cheok-yin-fung/README b/challenge-152/cheok-yin-fung/README new file mode 100644 index 0000000000..05c1883e53 --- /dev/null +++ b/challenge-152/cheok-yin-fung/README @@ -0,0 +1 @@ + Solutions by Cheok-Yin Fung. diff --git a/challenge-152/christian-jaeger/README b/challenge-152/christian-jaeger/README new file mode 100644 index 0000000000..4ef4f11c10 --- /dev/null +++ b/challenge-152/christian-jaeger/README @@ -0,0 +1 @@ +Solution by Christian Jaeger diff --git a/challenge-152/cliveholloway/README b/challenge-152/cliveholloway/README new file mode 100644 index 0000000000..b69201296e --- /dev/null +++ b/challenge-152/cliveholloway/README @@ -0,0 +1 @@ +Solution by Clive Holloway diff --git a/challenge-152/colin-crain/README b/challenge-152/colin-crain/README new file mode 100644 index 0000000000..2a5d87e97d --- /dev/null +++ b/challenge-152/colin-crain/README @@ -0,0 +1 @@ +Solutions by Colin Crain. diff --git a/challenge-152/conor-hoekstra/README b/challenge-152/conor-hoekstra/README new file mode 100644 index 0000000000..d04e921681 --- /dev/null +++ b/challenge-152/conor-hoekstra/README @@ -0,0 +1 @@ +Solutions by Conor Hoekstra. diff --git a/challenge-152/craig/README b/challenge-152/craig/README new file mode 100644 index 0000000000..18088481eb --- /dev/null +++ b/challenge-152/craig/README @@ -0,0 +1 @@ +Solutions by Craig. diff --git a/challenge-152/creewick/README b/challenge-152/creewick/README new file mode 100644 index 0000000000..c490e4fb80 --- /dev/null +++ b/challenge-152/creewick/README @@ -0,0 +1 @@ +Solutions by Creewick. diff --git a/challenge-152/cristian-heredia/README b/challenge-152/cristian-heredia/README new file mode 100644 index 0000000000..c53da8a54c --- /dev/null +++ b/challenge-152/cristian-heredia/README @@ -0,0 +1 @@ +Solutions by Cristina Heredia. diff --git a/challenge-152/cybersnyder/README b/challenge-152/cybersnyder/README new file mode 100644 index 0000000000..b5afea93b0 --- /dev/null +++ b/challenge-152/cybersnyder/README @@ -0,0 +1 @@ +Solution by Rich Snyder aka cybersnyder diff --git a/challenge-152/daniel-mantovani/README b/challenge-152/daniel-mantovani/README new file mode 100644 index 0000000000..ed538216f2 --- /dev/null +++ b/challenge-152/daniel-mantovani/README @@ -0,0 +1 @@ +Solution by Daniel Mantovani diff --git a/challenge-152/daniel-mita/README b/challenge-152/daniel-mita/README new file mode 100644 index 0000000000..37339f491f --- /dev/null +++ b/challenge-152/daniel-mita/README @@ -0,0 +1 @@ +Solution by Daniel Mita diff --git a/challenge-152/darren-bottin/README b/challenge-152/darren-bottin/README new file mode 100644 index 0000000000..6c792afe8e --- /dev/null +++ b/challenge-152/darren-bottin/README @@ -0,0 +1 @@ +Solutions by Darren Bottin. diff --git a/challenge-152/dave-cross/README b/challenge-152/dave-cross/README new file mode 100644 index 0000000000..04b1b0623b --- /dev/null +++ b/challenge-152/dave-cross/README @@ -0,0 +1 @@ +Solution by Dave Cross diff --git a/challenge-152/dave-jacoby/README b/challenge-152/dave-jacoby/README new file mode 100644 index 0000000000..7c06689f16 --- /dev/null +++ b/challenge-152/dave-jacoby/README @@ -0,0 +1 @@ +Solution by Dave Jacoby diff --git a/challenge-152/david-kayal/README b/challenge-152/david-kayal/README new file mode 100644 index 0000000000..66f8615260 --- /dev/null +++ b/challenge-152/david-kayal/README @@ -0,0 +1 @@ +Solution by David Kayal diff --git a/challenge-152/david-santiago/README b/challenge-152/david-santiago/README new file mode 100644 index 0000000000..07584efe1d --- /dev/null +++ b/challenge-152/david-santiago/README @@ -0,0 +1 @@ +Solutions by David Santiago. diff --git a/challenge-152/ddobbelaere/README b/challenge-152/ddobbelaere/README new file mode 100644 index 0000000000..36f8cdcd67 --- /dev/null +++ b/challenge-152/ddobbelaere/README @@ -0,0 +1 @@ +Solution by Dieter Dobbelaere diff --git a/challenge-152/deadmarshal/README b/challenge-152/deadmarshal/README new file mode 100644 index 0000000000..243097dede --- /dev/null +++ b/challenge-152/deadmarshal/README @@ -0,0 +1 @@ +Solution by Ali Moradi \ No newline at end of file diff --git a/challenge-152/denis-yurashku/README b/challenge-152/denis-yurashku/README new file mode 100644 index 0000000000..2fea994000 --- /dev/null +++ b/challenge-152/denis-yurashku/README @@ -0,0 +1 @@ +Solutions by Denis Yurashku. diff --git a/challenge-152/dms061/readme b/challenge-152/dms061/readme new file mode 100644 index 0000000000..e2684c7d25 --- /dev/null +++ b/challenge-152/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-152/donald-hunter/README b/challenge-152/donald-hunter/README new file mode 100644 index 0000000000..2eef878f17 --- /dev/null +++ b/challenge-152/donald-hunter/README @@ -0,0 +1 @@ +Solutions by Donald Hunter. diff --git a/challenge-152/doug-schrag/README b/challenge-152/doug-schrag/README new file mode 100644 index 0000000000..bf8a10ffb4 --- /dev/null +++ b/challenge-152/doug-schrag/README @@ -0,0 +1 @@ +Solution by Doug Schrag diff --git a/challenge-152/dracos/README b/challenge-152/dracos/README new file mode 100644 index 0000000000..a9a6517a03 --- /dev/null +++ b/challenge-152/dracos/README @@ -0,0 +1 @@ +Solutions by Matthew Somerville. diff --git a/challenge-152/duane-powell/README b/challenge-152/duane-powell/README new file mode 100644 index 0000000000..3445422743 --- /dev/null +++ b/challenge-152/duane-powell/README @@ -0,0 +1 @@ +Solutions by Duane Powell. diff --git a/challenge-152/duncan-c-white/README b/challenge-152/duncan-c-white/README new file mode 100644 index 0000000000..b4889e4611 --- /dev/null +++ b/challenge-152/duncan-c-white/README @@ -0,0 +1,74 @@ +TASK #1 - Binary Tree Depth + +You are given binary tree. + +Write a script to find the minimum depth. + +The minimum depth is the number of nodes from the root to the nearest +leaf node (node without any children). + +Example 1: + + Input: '1 | 2 3 | 4 5' + + 1 + / \ + 2 3 + / \ + 4 5 + + Output: 2 + +Example 2: + + Input: '1 | 2 3 | 4 * * 5 | * 6' + + 1 + / \ + 2 3 + / \ + 4 5 + \ + 6 + Output: 3 + +MY NOTES: well, if I built a binary tree from the input, it would be quite +simple to find the minimum depth. But there must be a way to solve the +problem using only the input syntax. Something like: split into rows on '|'. +Each row has 2 * (rowno-1) elements (starting at row 1). If a row hasn't +got that many elements, pad it with '*'s. Now, find the first non-full row, +ie. with one or more '*'s. Take the row a pair of elements at a time. If +any pair are both '*'s, then the min depth is rowno-1. Otherwise proceed +to the next row, and keep going down the rows. + + +TASK #2 - Rob The House + +You are planning to rob a row of houses, always starting with the first +and moving in the same direction. However, you can't rob two adjacent +houses. + +Write a script to find the highest possible gain that can be achieved. + +Example 1: + + Input: @valuables = (2, 4, 5); + Output: 7 + +If we rob house 0 we get 2 and then the only house we can rob is house +2 where we have 5. So the total valuables in this case is (2 + 5) = 7. + + +Example 2: + + Input: @valuables = (4, 2, 3, 6, 5, 3); + Output: 13 + +The best choice would be to first rob house 0 then rob house 3 then finally +house 5. This would give us 4 + 6 + 3 =13. + + +MY NOTES: Hmm.. some sort of recursive "find all paths" method. +It always helps to pick the right function purpose and name. +I think the recursive function we need is: +my $maxvaluables = maxrobbery( startpos ), invoked as my $max=maxrobbery(0)? diff --git a/challenge-152/e-choroba/README b/challenge-152/e-choroba/README new file mode 100644 index 0000000000..efff637bcb --- /dev/null +++ b/challenge-152/e-choroba/README @@ -0,0 +1 @@ +Solutions by E. Choroba. diff --git a/challenge-152/ealvar3z/README b/challenge-152/ealvar3z/README new file mode 100644 index 0000000000..a50c065308 --- /dev/null +++ b/challenge-152/ealvar3z/README @@ -0,0 +1 @@ +Solution by ealvar3z diff --git a/challenge-152/eddy-hs/README b/challenge-152/eddy-hs/README new file mode 100644 index 0000000000..0ed51d222d --- /dev/null +++ b/challenge-152/eddy-hs/README @@ -0,0 +1 @@ +Solution by Eddy HS diff --git a/challenge-152/eric-cheung/README b/challenge-152/eric-cheung/README new file mode 100644 index 0000000000..1bf6db4498 --- /dev/null +++ b/challenge-152/eric-cheung/README @@ -0,0 +1 @@ +Solutions by Eric Cheung. diff --git a/challenge-152/fabrizio-poggi/README b/challenge-152/fabrizio-poggi/README new file mode 100644 index 0000000000..3c17b29182 --- /dev/null +++ b/challenge-152/fabrizio-poggi/README @@ -0,0 +1 @@ +Solutions by Fabrizio Poggi. diff --git a/challenge-152/feng-chang/README b/challenge-152/feng-chang/README new file mode 100644 index 0000000000..74e56de3ed --- /dev/null +++ b/challenge-152/feng-chang/README @@ -0,0 +1 @@ +Solutions by Feng Chang. diff --git a/challenge-152/finanalyst/README b/challenge-152/finanalyst/README new file mode 100644 index 0000000000..15f7652e32 --- /dev/null +++ b/challenge-152/finanalyst/README @@ -0,0 +1 @@ +Solution by Richard Hainsworth, aka finanalyst diff --git a/challenge-152/finley/README b/challenge-152/finley/README new file mode 100644 index 0000000000..f08a121076 --- /dev/null +++ b/challenge-152/finley/README @@ -0,0 +1 @@ +Solution by Finley diff --git a/challenge-152/fjwhittle/README b/challenge-152/fjwhittle/README new file mode 100644 index 0000000000..7dcc95e189 --- /dev/null +++ b/challenge-152/fjwhittle/README @@ -0,0 +1 @@ +Solution by Francis Whittle diff --git a/challenge-152/frankivo/README b/challenge-152/frankivo/README new file mode 100644 index 0000000000..681b15b36c --- /dev/null +++ b/challenge-152/frankivo/README @@ -0,0 +1 @@ +Solution by Frank Oosterhuis. diff --git a/challenge-152/fred-zinn/README b/challenge-152/fred-zinn/README new file mode 100644 index 0000000000..17bac4f094 --- /dev/null +++ b/challenge-152/fred-zinn/README @@ -0,0 +1 @@ +Solution by Fred Zinn diff --git a/challenge-152/freddie-b/README b/challenge-152/freddie-b/README new file mode 100644 index 0000000000..823d7474b5 --- /dev/null +++ b/challenge-152/freddie-b/README @@ -0,0 +1 @@ +Solution by Freddie B diff --git a/challenge-152/garrett-goebel/README b/challenge-152/garrett-goebel/README new file mode 100644 index 0000000000..a8aa246dbb --- /dev/null +++ b/challenge-152/garrett-goebel/README @@ -0,0 +1 @@ +Solution by Garrett Goebel diff --git a/challenge-152/giuseppe-terlizzi/README b/challenge-152/giuseppe-terlizzi/README new file mode 100644 index 0000000000..0bff2a945c --- /dev/null +++ b/challenge-152/giuseppe-terlizzi/README @@ -0,0 +1 @@ +Solutions by Giuseppe Di Terlizzi. diff --git a/challenge-152/gugod/README b/challenge-152/gugod/README new file mode 100644 index 0000000000..509fd4c50c --- /dev/null +++ b/challenge-152/gugod/README @@ -0,0 +1 @@ +Solutions by Kang-min Liu. diff --git a/challenge-152/gugod/rust/.gitignore b/challenge-152/gugod/rust/.gitignore new file mode 100644 index 0000000000..ac77297bfe --- /dev/null +++ b/challenge-152/gugod/rust/.gitignore @@ -0,0 +1,2 @@ +ch-1 +ch-2 diff --git a/challenge-152/guillermo-ramos/README b/challenge-152/guillermo-ramos/README new file mode 100644 index 0000000000..a39eb01bff --- /dev/null +++ b/challenge-152/guillermo-ramos/README @@ -0,0 +1 @@ +Solution by Guillermo Ramos. diff --git a/challenge-152/gurunandan-bhat/README b/challenge-152/gurunandan-bhat/README new file mode 100644 index 0000000000..495f4cfafa --- /dev/null +++ b/challenge-152/gurunandan-bhat/README @@ -0,0 +1 @@ +Solutions by Gurunandan Bhat. diff --git a/challenge-152/gustavo-chaves/README b/challenge-152/gustavo-chaves/README new file mode 100644 index 0000000000..a66bbbf8a3 --- /dev/null +++ b/challenge-152/gustavo-chaves/README @@ -0,0 +1 @@ +Solution by Gustavo Chaves diff --git a/challenge-152/hatorikibble/README b/challenge-152/hatorikibble/README new file mode 100644 index 0000000000..51a9cd4411 --- /dev/null +++ b/challenge-152/hatorikibble/README @@ -0,0 +1 @@ +Solution by Peter Mayr diff --git a/challenge-152/hauke-d/README b/challenge-152/hauke-d/README new file mode 100644 index 0000000000..e201aa0abc --- /dev/null +++ b/challenge-152/hauke-d/README @@ -0,0 +1 @@ +Solutions by Hauke Dämpfling. diff --git a/challenge-152/henry-wong/README b/challenge-152/henry-wong/README new file mode 100644 index 0000000000..3d63a6f0be --- /dev/null +++ b/challenge-152/henry-wong/README @@ -0,0 +1 @@ +Solution by Henry Wong diff --git a/challenge-152/hstejas/README b/challenge-152/hstejas/README new file mode 100644 index 0000000000..969c5c0569 --- /dev/null +++ b/challenge-152/hstejas/README @@ -0,0 +1 @@ +Solution by Tejas diff --git a/challenge-152/iangoodnight/README.md b/challenge-152/iangoodnight/README.md new file mode 100644 index 0000000000..2a4a23a28c --- /dev/null +++ b/challenge-152/iangoodnight/README.md @@ -0,0 +1 @@ +Solution by Ian Goodnight diff --git a/challenge-152/ianrifkin/README b/challenge-152/ianrifkin/README new file mode 100644 index 0000000000..2d26297fb9 --- /dev/null +++ b/challenge-152/ianrifkin/README @@ -0,0 +1 @@ +Solution by Ian Rifkin. \ No newline at end of file diff --git a/challenge-152/izifresh/README b/challenge-152/izifresh/README new file mode 100644 index 0000000000..aedce7c408 --- /dev/null +++ b/challenge-152/izifresh/README @@ -0,0 +1 @@ +Solution by izifresh \ No newline at end of file diff --git a/challenge-152/jacques-guinnebault/README b/challenge-152/jacques-guinnebault/README new file mode 100644 index 0000000000..9d3e7c037f --- /dev/null +++ b/challenge-152/jacques-guinnebault/README @@ -0,0 +1 @@ +Solution by Jacques Guinnebault. diff --git a/challenge-152/jaime/README b/challenge-152/jaime/README new file mode 100644 index 0000000000..007cb58459 --- /dev/null +++ b/challenge-152/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-152/jake/README b/challenge-152/jake/README new file mode 100644 index 0000000000..2e6084589f --- /dev/null +++ b/challenge-152/jake/README @@ -0,0 +1 @@ +Solutions by Jake. diff --git a/challenge-152/jaldhar-h-vyas/README b/challenge-152/jaldhar-h-vyas/README new file mode 100644 index 0000000000..7dce927eca --- /dev/null +++ b/challenge-152/jaldhar-h-vyas/README @@ -0,0 +1 @@ +Solution by Jaldhar H. Vyas diff --git a/challenge-152/james-raspass/README b/challenge-152/james-raspass/README new file mode 100644 index 0000000000..e8b9d803c6 --- /dev/null +++ b/challenge-152/james-raspass/README @@ -0,0 +1 @@ +Solution by James Raspass. diff --git a/challenge-152/james-smith/README.md b/challenge-152/james-smith/README.md new file mode 100644 index 0000000000..01e099b2ca --- /dev/null +++ b/challenge-152/james-smith/README.md @@ -0,0 +1,100 @@ +[< Previous 150](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-150/james-smith) | +[Next 152 >](https://github.com/drbaggy/perlweeklychallenge-club/tree/master/challenge-152/james-smith) +# Perl Weekly Challenge #151 + +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-151/james-smith + +# Challenge 1 - Binary Tree Depth + +***You are given binary tree. Write a script to find the minimum depth. The minimum depth is the number of nodes from the root to the nearest leaf node (node without any children).*** + +## The solution + +The method is to: + * Split the string into the individual rows. + * For each row check to see if the row is complete {has enough entries so that there are no parent nodes with no data} + * If there are less than `2**$d-1` entries then this row is "incomplete" and we return the depth. + * We have an array/list difference here `scalar m{\S+}g` returns `1`, `scalar @{[m{\S+}g]}` returns the number of matches! + * Check that there is no pair (with the same parent) for which both nodes are "`*`". Or if it is the last pair that it + contains a single "`*`". + * If either of the case the row is "incomplete" and we return the depth. + +```perl +sub depth { + my $d = 0; + for ( split m{\s*\|\s*}, $_[0] ) { + last if scalar @{[m{\S+}g]} < 2**$d - 1 + || m{^\s*(?:\S+\s+\S+\s+)*?(\*\s+\*|\*\s*$)}; + $d++; + } + $d; +} +``` + +# Challenge 2 - Rob the House + +***You are planning to rob a row of houses, always starting with the first and moving in the same direction. However, you can’t rob two adjacent houses. Write a script to find the highest possible gain that can be achieved.*** + +## The solution + +We can walk along the house and work out what the best score we could get if we stopped the journey at any house. As we add in each extra house - best score depends on the best score of one of the last two houses visited and the points of the current house. + +We will only ever skip one or two houses at each "jump", we will never skip more than two. There is always a better option which is to select one of the nodes in the middle. So the jump from 1 to 5 (skipping three) will always score less than the jump from 1 to 3 and 3 to 5. This is because you will miss plundering house No 3.... + +``` + ====== ====== ====== ====== ====== ====== + ======== ======== ======== ======== ======== ======== + | No 1 | | No 2 | | No 3 | | No 4 | | No 5 | | No 6 | + -------- -------- -------- -------- -------- -------- + | | | | | | + | `--->------>---' `--->------>---' | + | | + `--->------>------>------>------>------>---' +``` + +### First attempt ... + +Here we construct and array of the best total we could achieve if we stopped at the 1st, 2nd, 3rd houses etc... + +For the first two: + * best score for first house is the points for the first house. + * best score for the 2nd house is the maximum of the points for the first and second houses. +For the rest + * best score for subsequent houses. Is either the points for the house added to the best score of the house before last which was visited **OR** the best score of the last house visited. + +We keep repeating the 2nd part until we get to the end house - and this gives us our score... + +```perl +sub rob { + my @b = shift; + (push @b,shift ), $b[-1]<$b[-2] && ($b[-1]=$b[-2]) if @_; + (push @b,$_+$b[-2]), $b[-1]<$b[-2] && ($b[-1]=$b[-2]) for @_; + $b[-1]; +} +``` + +*We could have written the second line with `1` & `0` not `-1` and `-2` but there is something about the symmetry of the two lines which is poetic* + +### Second attempt ... + +As we only need the previous 2 houses, we can do away with the array and just work with the score of the two previous entries. + +```perl +sub rob_no_array { + my$p=my$q=0; + ($p,$q)=($q,$q>$p+$_?$q:$p+$_)for@_; + $q; +} +``` + +Speedwise this is about 10% faster... diff --git a/challenge-152/jan-perl/README b/challenge-152/jan-perl/README new file mode 100644 index 0000000000..70e335d7d7 --- /dev/null +++ b/challenge-152/jan-perl/README @@ -0,0 +1 @@ +Solution by Jan Hoogenraad diff --git a/challenge-152/jaredor/README b/challenge-152/jaredor/README new file mode 100644 index 0000000000..398fcc9bae --- /dev/null +++ b/challenge-152/jaredor/README @@ -0,0 +1 @@ +Solution by Jared Martin diff --git a/challenge-152/jason-messer/README b/challenge-152/jason-messer/README new file mode 100644 index 0000000000..db0556d981 --- /dev/null +++ b/challenge-152/jason-messer/README @@ -0,0 +1 @@ +Raku Solutions by Jason Messer diff --git a/challenge-152/javier-luque/README b/challenge-152/javier-luque/README new file mode 100644 index 0000000000..887e7fc81a --- /dev/null +++ b/challenge-152/javier-luque/README @@ -0,0 +1 @@ +Solutions by Javier Luque. diff --git a/challenge-152/jbourlakos/README b/challenge-152/jbourlakos/README new file mode 100644 index 0000000000..5ce76645d3 --- /dev/null +++ b/challenge-152/jbourlakos/README @@ -0,0 +1 @@ +Solution by Ioannis (John) Bourlakos. \ No newline at end of file diff --git a/challenge-152/jcrosswh/README b/challenge-152/jcrosswh/README new file mode 100644 index 0000000000..144afd1a18 --- /dev/null +++ b/challenge-152/jcrosswh/README @@ -0,0 +1 @@ +Solution by Joel Crosswhite. \ No newline at end of file diff --git a/challenge-152/jdos22/README b/challenge-152/jdos22/README new file mode 100644 index 0000000000..d38c22f0be --- /dev/null +++ b/challenge-152/jdos22/README @@ -0,0 +1 @@ +Solution by jdos22 diff --git a/challenge-152/jeff/README b/challenge-152/jeff/README new file mode 100644 index 0000000000..d5f15f4a8e --- /dev/null +++ b/challenge-152/jeff/README @@ -0,0 +1 @@ +Solution by Jeff diff --git a/challenge-152/jeongoon/.gitignore b/challenge-152/jeongoon/.gitignore new file mode 100644 index 0000000000