Submission #291313

#	Time	Username	Problem	Language	Result	Execution time	Memory
291313		juggernaut	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1 ms	384 KiB

shoes

#include<bits/stdc++.h>
#include"shoes.h"
using namespace std;
typedef long long int ll;
long long count_swaps(vector<int>v){
    ll cnt=0,q=0;
    for(int i=0;i<v.size();i++)
        if(v[i]<0){
            cnt+=i-q;
            q+=2;
        }
    return cnt;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |     for(int i=0;i<v.size();i++)
      |                 ~^~~~~~~~~

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