Submission #532206

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
532206	2022-03-02 13:13:00	ohohorz	Arranging Shoes (IOI19_shoes)	C++14	10 / 100	1089 ms	1864 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
long long count_swaps(std::vector<int> s) {
  ll n = s.size()/2;
  ll ans = 0;
  for(int i = 0;i < (2 * n);i+=2){
    int idx = -1;
    for(int j = i;j < (2*n);j++){
      if(s[j] < 0){
        idx = j;
        break;
      }
    }
    while(idx > i){
      swap(s[idx], s[idx - 1]);
      idx --;
      ans ++;
    }
    idx = -1;
    for(int j = i;j < (2*n);j++){
      if(s[j] > 0 and abs(s[j]) == abs(s[i])){
        idx = j;
        break;
      }
    }
    while(idx > i+1){
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 15