Submission #889450

#	Time	Username	Problem	Language	Result	Execution time	Memory
889450		Lincito_31	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1063 ms	3164 KiB

shoes

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

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:11:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   11 |             for(;indi_po<s.size();indi_po++){
      |                  ~~~~~~~^~~~~~~~~
shoes.cpp:21:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |             for(;indi_ne<s.size();indi_ne++){
      |                  ~~~~~~~^~~~~~~~~

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