Submission #1292578

#	Time	Username	Problem	Language	Result	Execution time	Memory
1292578		lukaye_19	Arranging Shoes (IOI19_shoes)	C++20	50 / 100	1097 ms	2736 KiB

shoes

#include <bits/stdc++.h>
using namespace std;

long long count_swaps(vector<int>Shoes) {
    vector<int>ShoesQueue = Shoes;
    
    int Answer = 0;

    while (!ShoesQueue.empty()) {
        int FirstShoe = -(*ShoesQueue.begin());

        int DistanceToPair = 0;
        
        auto it = ++ShoesQueue.begin();

        while (*it != FirstShoe) {
            ++it;
            
            DistanceToPair++;
        }

        ShoesQueue.erase(it);
        ShoesQueue.erase(ShoesQueue.begin());
        
        Answer += DistanceToPair;

        if (FirstShoe < 0) {
            Answer++;
        }
    }

    return Answer;
}

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