제출 #888509

#제출 시각아이디문제언어결과실행 시간메모리
888509Lincito_31Arranging Shoes (IOI19_shoes)C++14
0 / 100
0 ms348 KiB
using namespace std; #include "shoes.h" long long x; long long count_swaps(vector<int> s) { x=s.size(); x/=2; x--; if(x==1){ return s[0]<0?0:1; }else{ x=x*(x+1)/2; return x; } }
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