Submission #829366

#	Time	Username	Problem	Language	Result	Execution time	Memory
829366		JoksimKaktus	Arranging Shoes (IOI19_shoes)	C++17	45 / 100	21 ms	3124 KiB

shoes

#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <cmath>
#include <queue>
#include <map>
#include <algorithm>
#include <iomanip>
#include <set>

using namespace std;

long long count_swaps(vector <int> S){
    long long res = 0;
    int next = 0;
    for(int i = 0;i < S.size();i++){
        if(S[i] < 0){
            res += abs(i-next);
            next += 2;
        }
    }
    return res;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:16:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     for(int i = 0;i < S.size();i++){
      |                   ~~^~~~~~~~~~

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