Submission #703997

#	Time	Username	Problem	Language	Result	Execution time	Memory
703997		mseebacher	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1077 ms	3156 KiB

shoes

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

long long count_swaps(vector<int> s) {
    int n = s.size();
    vector<bool> done(n,0);
    int erg = 0;
    for(int i = 0;i<n;i+=2){
		
	  if(!done[i]){
		
		 for(int j = i+1;j<n;j++){
			if(s[i] + s[j] == 0){
			  if(s[i] < 0){
				erg += j-i-1;
			  }else{
				erg += j-i;
			  }
			  //done[j] = 1;
			  for(int h = j;h>i;h--){
				swap(s[h],s[h-1]);
			  }
			  break;
			}
		} 
	  }
      
    }
	return erg;
}

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