diff options
author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-10 13:08:40 +0000 |
---|---|---|
committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-07-10 13:08:40 +0000 |
commit | 433af16167aec949c6345ad41b78b17c440b4a6d (patch) | |
tree | 42b9a14817cccef4a57177329381f97a7a2ac75c /benchmark/bm_so_fannkuch.rb | |
parent | f992f4251874a025de09ffecf0f2b8cb984f2201 (diff) | |
download | ruby-433af16167aec949c6345ad41b78b17c440b4a6d.tar.gz |
benchmark: drop all bm_ prefix for legacy driver.rb
benchmark/*.rb is only benchmarks now. We don't need prefixes.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'benchmark/bm_so_fannkuch.rb')
-rw-r--r-- | benchmark/bm_so_fannkuch.rb | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/benchmark/bm_so_fannkuch.rb b/benchmark/bm_so_fannkuch.rb deleted file mode 100644 index bac5ecd44c..0000000000 --- a/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 = 9 # (ARGV[0] || 1).to_i -puts "Pfannkuchen(#{N}) = #{fannkuch(N)}" - |