Submission

Score: 100

User: Bermmmm

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.006 second

Submitted On: 2025-10-07 00:18:21

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

int main() {
    int n;
    cin >> n;
    int arr[250][250] = {};

    for (int i=1;i<n;i++) {
        for (int j=0;j<i;j++) {
            cin >> arr[i][j];
            arr[j][i] = arr[i][j];
        }
    }

    for(int i=0;i<n;i++) {
        arr[i][i] = 0;
    }

    for (int i=0;i<n;i++) {
        for (int j=0;j<n;j++) {
            if(j != 0) {
                cout << ' ';
            }
            cout << arr[i][j];
        }
        cout << endl;
    }
}