Last active
August 29, 2015 14:13
-
-
Save kanpou0108/157e618178de8d0aaf87 to your computer and use it in GitHub Desktop.
神奈川Ruby会議01 ペアプロ課題
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
# 問題:http://nabetani.sakura.ne.jp/kanagawa.rb/evalex/ | |
# 解答: | |
# http://nabetani.sakura.ne.jp/kanagawa.rb/evalex/a0.html | |
# http://nabetani.sakura.ne.jp/kanagawa.rb/evalex/a1.html | |
# http://nabetani.sakura.ne.jp/kanagawa.rb/evalex/a2.html | |
OPERATORS = ["|","&","+","*"] | |
def solve(input) | |
ary = input.split(/\b/) | |
OPERATORS.each do |s| | |
while true do | |
idx = ary.index(s) | |
break if idx.nil? | |
prev_num = ary[idx-1].to_i | |
next_num = ary[idx+1].to_i | |
new_num = eval([prev_num, s, next_num].join('')) | |
ary[(idx-1)..(idx+1)] = new_num | |
# p ary | |
end | |
end | |
return ary[0] | |
end | |
test_data = [ | |
# [ id, input, expected ], | |
[ 0, "4*5+6&7|8", "44" ], | |
[ 1, "15*5", "75" ], | |
[ 2, "15+5", "20" ], | |
[ 3, "15&5", "5" ], | |
[ 4, "15|5", "15" ], | |
[ 5, "30*15*5", "2250" ], | |
[ 6, "30*15+5", "600" ], | |
[ 7, "30*15&5", "150" ], | |
[ 8, "30*15|5", "450" ], | |
[ 9, "30+15*5", "225" ], | |
[ 10, "30+15+5", "50" ], | |
[ 11, "30+15&5", "35" ], | |
[ 12, "30+15|5", "45" ], | |
[ 13, "30&15*5", "70" ], | |
[ 14, "30&15+5", "19" ], | |
[ 15, "30&15&5", "4" ], | |
[ 16, "30&15|5", "14" ], | |
[ 17, "30|15*5", "155" ], | |
[ 18, "30|15+5", "36" ], | |
[ 19, "30|15&5", "5" ], | |
[ 20, "30|15|5", "31" ], | |
[ 21, "1+2+3+4+5+6+7+8+9+10", "55" ], | |
[ 22, "1*2*3*4*5*6*7*8*9*10", "3628800" ], | |
[ 23, "1+2+3+4+5*6+7+8+9+10", "600" ], | |
[ 24, "1*2*3*4*5+6*7*8*9*10", "1330560" ], | |
[ 25, "1|2|4|8|16|32|64|128|256|512", "1023" ], | |
[ 26, "2046&2045&2043&2039&2031&2015&1983&1919&1791&1535", "1024" ], | |
[ 27, "0+1|7*6", "42" ], | |
[ 28, "6|4+2&9+4", "10" ], | |
[ 29, "0&6+1&6|4*2", "0" ], | |
[ 30, "4|4*7+7+4&9", "56" ], | |
[ 31, "9&8*2+3*1|2|7", "280" ], | |
[ 32, "230+83*751&176", "50080" ], | |
[ 33, "89+62465*94&84", "5254536" ], | |
[ 34, "668&925+398*562", "599092" ], | |
[ 35, "15|9+348*302&23&77", "1452" ], | |
[ 36, "3&3&6|7+3|5*3|2&4*4", "0" ], | |
[ 37, "7*6|7|7*1&7|7&3&8*3", "0" ], | |
[ 38, "896+316*209*264&728", "2026464" ], | |
[ 39, "1844+41*64|7906|66842", "138965970" ], | |
[ 40, "2&41&6884*69857+68083", "0" ], | |
[ 41, "2+3*9*3|6|7&0+3+3*6&8", "0" ], | |
[ 42, "895+400*988|549&237+488", "938875" ], | |
[ 43, "30*48&99036+140&33+75|645", "22050" ], | |
[ 44, "278+2033+53*96*56|3303|3&14", "3177216" ], | |
[ 45, "5380&27|643*2+1888&74+30|16", "0" ], | |
[ 46, "0&3845+6645*4293+78&78*3102|9|3", "90127550385" ], | |
[ 47, "78&44956&67*974|413+13237*5588|54*668", "0" ], | |
[ 48, "500*206+145|167|163|465&668+662+806*681&458", "123896000" ], | |
[ 49, "82+14&0*344+34+542916&18*11|844|64*873223|840993", "23813260003764" ], | |
[ 50, "374958|6727+53965&53*954&29|6*138572+59|547783&43*8998", "12178274756590800" ], | |
] | |
def check(data) | |
data.each do |id, input, expected| | |
print id | |
print ":" | |
if solve(input) == expected.to_i | |
puts "OK" | |
else | |
puts "NG" | |
end | |
end | |
end | |
check(test_data) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment