Submission #1285737

#	Time	Username	Problem	Language	Result	Execution time	Memory
1285737		dssfsuper2	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1096 ms	1964 KiB

shoes

#include "shoes.h"
//#include "grader.cpp"
#include <bits/stdc++.h>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
using namespace std;
long long count_swaps(vector<int> s) {  
    int res=0;
	while(!s.empty()){
        int cur = s[0];
        int nm=0;
        for(int i = 1;i<s.size();i++){
            if (s[i]==-cur){
                nm=i;
                break;
            }
        }
        s.erase(s.begin()+nm);
        s.erase(s.begin());
        res+=nm-1;
        if(cur>0)res++;
    }
    return res;
}

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