Submission

Score: 100

User: letdown

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.006 second

Submitted On: 2025-10-09 21:17:05

#include <iostream>

using namespace std;
int main() {
    int n;
    cin >> n;
    int a[n][n];
    for (int i = 1; i < n; i++) {
        for (int j = 0; j < i; j++) {
            cin >> a[i][j];
            a[j][i] = a[i][j];
        }
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (i == j) a[i][j] = 0;
            cout << a[i][j] << " ";
        }
        cout << endl;
    }
}