Submission #384197

#	Time	Username	Problem	Language	Result	Execution time	Memory
384197		meperdonas203	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1093 ms	3308 KiB

shoes

#include "shoes.h"
#include<bits/stdc++.h>
using namespace std;
long long count_swaps(vector<int> s) {
  int movs=0;
  
  for(int i=0;i<s.size();i+=2){
    for(int j=i+1;j<s.size();j++){
      if(abs(s[i])==abs(s[j])and (s[i]!=s[j])){
        int pos_r=0;
        pos_r=j;
        while(pos_r>i+1){
          swap(s[pos_r],s[pos_r-1]);
          pos_r--;
          movs++;
        }
        if(s[i]>s[i+1]){
          movs++;
        }
        break;
      }
    }
  }
  return movs;
}

Compilation message (stderr)

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:7:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |   for(int i=0;i<s.size();i+=2){
      |               ~^~~~~~~~~
shoes.cpp:8:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for(int j=i+1;j<s.size();j++){
      |                   ~^~~~~~~~~

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