제출 #144701

#제출 시각아이디문제언어결과실행 시간메모리
144701AASGArranging Shoes (IOI19_shoes)C++14
0 / 100
32 ms1884 KiB
#include "shoes.h" long long count_swaps(std::vector<int> s) { if(s[0]<1 && s.size()==1)return 0; else if(s[0]>1 && s.size()==1) return 1; int a; a=s.size()/2; return ((a)*(a-1))/2; }
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