Submission #543075

#	Time	Username	Problem	Language	Result	Execution time	Memory
543075		Anas_AbuAmar	Arranging Shoes (IOI19_shoes)	C++14	50 / 100	1084 ms	3896 KiB

shoes

#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
long long count_swaps(std::vector<int> s) {
   long long ans = 0;
   deque<int>d;
   for (auto &i:s){
      d.push_back(i);
   }
   while(!d.empty()){
      int cur = d.front();
      auto next = find(d.begin() , d.end() ,cur*-1);
      ans += (next-d.begin())-1;
      if (cur > 0 ){
         ans++;
      }
      d.erase(next);
      d.pop_front();
   }
   return ans;
}

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