Submission #144918

#	Time	Username	Problem	Language	Result	Execution time	Memory
144918		cfalas	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	32 ms	1912 KiB

shoes

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

long long count_swaps(std::vector<int> s) {
	int ans = s.size()/2;
	for(int i=0;i<s.size()-1;i++){
		if(s[i]<0 && s[i+1]>0) ans--, i++;
	}
	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()-1;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