Submission #148860

#	Time	Username	Problem	Language	Result	Execution time	Memory
148860		nandonathaniel	Arranging Shoes (IOI19_shoes)	C++14	45 / 100	33 ms	2676 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

long long count_swaps(vector<int> s) {
	vector<int> v;
	for(int i=0;i<s.size();i++){
		if(s[i]<0)v.push_back(i);
	}
	long long now=0,ans=0;
	for(int i=0;i<s.size();i++){
		if(i%2==0){
			ans+=abs(v[now]-i);
			now++;
		}
	}
	return ans;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<s.size();i++){
              ~^~~~~~~~~
shoes.cpp:11:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  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