Submission

Score: 100

User: tl.cpp

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2026-08-05 13:33:29

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 210;
int n, grid[N][N];

int main() {
    ios::sync_with_stdio(0), cin.tie(0);

    cin >> n;
    for (int i = 2; i <= n; i++) {
        for (int j = 1; j < i; j++) {
            cin >> grid[i][j];
            grid[j][i] = grid[i][j];
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) cout << grid[i][j] << ' ';
        cout << '\n';
    }
}