Submission #1145658

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145658		MunkhturErdenebat	Arranging Shoes (IOI19_shoes)	C++20	0 / 100	1096 ms	6684 KiB

shoes

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

long long count_swaps(vector<int> s) {
    int a = s.size();
    map<int, int> maa; // Replaces vector<int> maa
    long long h = 0;
    
    for(int i = 0; i < a; i++) {
        if(maa[i] == 1) continue;
        
        int g = -1; // Initialize g to an invalid index
        for(int j = i + 1; j < a; j++) {
            if(s[j] + s[i] == 0 && maa[j] == 0) {
                g = j;
                break;
            }
        }
        
        if (g == -1) continue; // No valid pair found, skip
        
        for(int j = g - 1; j > i; j--) {
            if(maa[j] == 0) h++;
        }

        maa[g] = 1; // Mark the index as used
    }
    return h;
}

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