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author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-08-25 15:13:14 +0000 |
commit | d0233291bc8a5068e52c69c210e5979e5324b5bc (patch) | |
tree | 7d9459449c33792c63eeb7baa071e76352e0baab /trunk/benchmark/bm_so_fannkuch.rb | |
parent | 0dc342de848a642ecce8db697b8fecd83a63e117 (diff) | |
parent | 72eaacaa15256ab95c3b52ea386f88586fb9da40 (diff) |
re-adding tag v1_9_0_4 as an alias of trunk@18848v1_9_0_4
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18849 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'trunk/benchmark/bm_so_fannkuch.rb')
-rw-r--r-- | trunk/benchmark/bm_so_fannkuch.rb | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/trunk/benchmark/bm_so_fannkuch.rb b/trunk/benchmark/bm_so_fannkuch.rb deleted file mode 100644 index a214f2e205..0000000000 --- a/trunk/benchmark/bm_so_fannkuch.rb +++ /dev/null @@ -1,45 +0,0 @@ -# The Computer Language Shootout -# http://shootout.alioth.debian.org/ -# Contributed by Sokolov Yura -# Modified by Ryan Williams - -def fannkuch(n) - maxFlips, m, r, check = 0, n-1, n, 0 - count = (1..n).to_a - perm = (1..n).to_a - - while true - if check < 30 - puts "#{perm}" - check += 1 - end - - while r != 1 - count[r-1] = r - r -= 1 - end - - if perm[0] != 1 and perm[m] != n - perml = perm.clone #.dup - flips = 0 - while (k = perml.first ) != 1 - perml = perml.slice!(0, k).reverse + perml - flips += 1 - end - maxFlips = flips if flips > maxFlips - end - while true - if r==n then return maxFlips end - perm.insert r,perm.shift - break if (count[r] -= 1) > 0 - r += 1 - end - end -end - -def puts *args -end - -N = 10 # (ARGV[0] || 1).to_i -puts "Pfannkuchen(#{N}) = #{fannkuch(N)}" - |