Submission #619791

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
619791	2022-08-02 15:54:32	UncoolAnon	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1089 ms	3924 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h> 
using namespace std; 
long long count_swaps(vector<int> s){
  int n=s.size(); 
  vector<int> marked(n); 
  long long answer=0; 
  for(int i=0;i<n;i++){
    if(!marked[i]){
      for(int j=i+1;j<n;j++){
        if(!marked[j]&&abs(s[j])==abs(s[i])&&(s[i]*s[j]<0)){
          marked[j]=1; 
          if(s[i]<0&&s[j]>0){}
          else ++answer; 
          break ; 
        }
        else{
          answer+=(marked[j]^1); 
        }
      }
    }
  }
  return answer; 
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 20 / 20
• Subtask 6: 0 / 15