Submission #889107

#	Time	Username	Problem	Language	Result	Execution time	Memory
889107		svaz	Arranging Shoes (IOI19_shoes)	C++14	25 / 100	19 ms	3244 KiB

shoes

#include "shoes.h"
#include<iostream>
#include<vector>
using namespace std;
long long count_swaps(std::vector<int> S){
    if(S.size()==2){
        if(S[0]>S[1])return 1;
        return 0;
    }
    long long in=0;
    for(int i=1;i<(S.size()/2);i++){
        in+=i;
    }
    return in;
}
/*int main(){
    int n,zap;
    cin>>n;
    vector<int>zapatos;
    for(int i=0;i<(n*2);i++){
        cin>>zap;
        zapatos.push_back(zap);
    }
    cout<<count_swaps(zapatos)<<"\n";
    return 0;
}*/

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:11:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |     for(int i=1;i<(S.size()/2);i++){
      |                 ~^~~~~~~~~~~~~

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