Submission #1196793

#	Time	Username	Problem	Language	Result	Execution time	Memory
1196793		amanthaband	Arranging Shoes (IOI19_shoes)	C++20	10 / 100	0 ms	328 KiB

shoes

#include <cmath>
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>

using namespace std;

bool isvalid(vector<int> s){
    for (int i = 0; i < s.size(); i += 2) {
        if (!(abs(s[i]) == s[i + 1] && s[i] < s[i + 1])) {
            return false;
        }
    }
    return true;
}

long long count_swaps(vector<int> s) {
    int cnt = 0;
    for (int i = 0; i < s.size(); i += 2) {
        if (!(abs(s[i]) == s[i + 1] && s[i] < s[i + 1])) {
            swap(s[i], s[i + 1]);
            cnt++;
        }
    }
    return cnt;
}

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