제출 #888506

#제출 시각아이디문제언어결과실행 시간메모리
888506Lincito_31Arranging Shoes (IOI19_shoes)C++14
0 / 100
1085 ms348 KiB
using namespace std;
#include "shoes.h"
int x;
long long recursiva(int y){
    if(y==2){
        return 1;
    }
    return y-1+recursiva(y-1);
}

long long count_swaps(vector<int> s) {
	x=s.size();
	x/=2;
	return recursiva(x);
}
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