Submission #2707970
Source Code Expand
array = gets.split(" ").map(&:to_i) biskets = gets.split(" ").map(&:to_i) evens = [] odds = [] biskets.each do |i| if i.even? evens << i else odds << i end end sum_e = 0 sum_o = 0 odds.length.step(0,-1) do |i| child = 1 mother = 1 i.times do |num| child *= (odds.length - num) mother *= (num + 1) end if i.even? sum_e += (child / mother) else sum_o += (child / mother) end end if array[1].even? puts sum_e * (2 ** evens.length) else puts sum_o * (2 ** evens.length) end
Submission Info
Submission Time | |
---|---|
Task | A - Biscuits |
User | hironobu |
Language | Ruby (2.3.3) |
Score | 200 |
Code Size | 549 Byte |
Status | AC |
Exec Time | 7 ms |
Memory | 1788 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | ||||
Status |
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Set Name | Test Cases |
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Sample | sample1.txt, sample2.txt, sample3.txt, sample4.txt |
All | sample1.txt, sample2.txt, sample3.txt, sample4.txt, in1.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, sample1.txt, sample2.txt, sample3.txt, sample4.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 7 ms | 1788 KB |
in2.txt | AC | 7 ms | 1788 KB |
in3.txt | AC | 7 ms | 1788 KB |
in4.txt | AC | 7 ms | 1788 KB |
in5.txt | AC | 7 ms | 1788 KB |
in6.txt | AC | 7 ms | 1788 KB |
in7.txt | AC | 7 ms | 1788 KB |
in8.txt | AC | 7 ms | 1788 KB |
sample1.txt | AC | 7 ms | 1788 KB |
sample2.txt | AC | 7 ms | 1788 KB |
sample3.txt | AC | 7 ms | 1788 KB |
sample4.txt | AC | 7 ms | 1788 KB |