Submission #889069

#	Time	Username	Problem	Language	Result	Execution time	Memory
889069		Lincito_31	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1090 ms	4372 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long x=0;
long long count_swaps(vector<int> s) {
    string xd="";
    int tam=s.size();
	for(int i=0;i<tam;i++){
        if(s[i]>0){
            xd=xd+"+";
        }else{
            xd=xd+"-";
        }
	}
	while(xd.find('+')!=-1){
        int i=0;
        while(xd[i]!='-'){
            i++;
        }
        x+=i;
        xd.replace(i,1,"");
        i=0;
        while(xd[i]!='+'){
            i++;
        }
        x+=i;
        xd.replace(i,1,"");
	}
	return x;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:15:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   15 |  while(xd.find('+')!=-1){
      |        ~~~~~~~~~~~~^~~~

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