Submission #889084

#	Time	Username	Problem	Language	Result	Execution time	Memory
889084		Lincito_31	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1095 ms	1996 KiB

shoes

#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
long long x=0;
long long count_swaps(vector<int> s) {
    while(!s.empty()){
        int temp=s[0];
        if(temp<0){
            for(int i=1;i<s.size();i++){
                if(s[i]==-temp){
                    x+=i-1;
                    s.erase(s.begin()+i);
                    break;
                }
            }
            s.erase(s.begin());
        }else{
            for(int i=1;i<s.size();i++){
                if(s[i]==-temp){
                    x+=i;
                    s.erase(s.begin()+i);
                    break;
                }
            }
            s.erase(s.begin());
        }
    }
	return x;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:9:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |             for(int i=1;i<s.size();i++){
      |                         ~^~~~~~~~~
shoes.cpp:18:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |             for(int i=1;i<s.size();i++){
      |                         ~^~~~~~~~~

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