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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