Submission #298064

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
298064	2020-09-12 10:47:42	Azimjon	Arranging Shoes (IOI19_shoes)	C++17	50 / 100	1089 ms	3192 KiB

shoes

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#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
long long count_swaps(std::vector<int> s) {
  ll jv = 0;
  while (!s.empty()) {
    int t = s[0];
    int jj = 0;
    s.erase(s.begin());
    if (t > 0)
      jj++;
    t = -t;
    auto it = find(s.begin(), s.end(), t);
    jj += it - s.begin();
    s.erase(it);
    jv += jj;
  }
  return jv;
}
 
 
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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