Submission #971764

#	Time	Username	Problem	Language	Result	Execution time	Memory
971764		opPO	Arranging Shoes (IOI19_shoes)	C++14	15 / 100	15 ms	3264 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>

#define sz(x) (int)x.size()

using namespace std;

long long count_swaps(vector<int> s) {
    int n = sz(s) / 2;

    return 1LL * n * (n - 1) / 2;
}

/*
g++ -std=gnu++14 -O2 -Wall -pipe -static -o "shoes" "grader.cpp" "shoes.cpp"
*/

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 15 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15