Submission #368079

#	Time	Username	Problem	Language	Result	Execution time	Memory
368079		leinad2	Arranging Shoes (IOI19_shoes)	C++17	45 / 100	36 ms	3308 KiB

shoes

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

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:15: 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<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