Submission

Score: 0

User: exoworldgd

Problemset: สร้างคู่ผกผัน (Inversion)

Language: cpp

Time: 0.000 second

Submitted On: 2025-05-27 09:22:53

#include <bits/stdc++.h>
using namespace std;
vector<int> inversion(int n, int k) {
    int a[n],cnt = 1;
    for (int i = n-1;i >= 0;i--){
        if (k >= i) ans[i] = cnt++, k -= i;
        else { ans[k] = cnt++; break; }
    }
    for (int i : ans ) if (!i) i = cnt++;
    return ans;
}