Submission

Score: 100

User: chs_14

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.005 second

Submitted On: 2026-01-22 11:01:56

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

int main() {
    cin.tie(0)->sync_with_stdio();

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

    for (auto &x : mat)
    {
        for (auto &y : x)
        {
            cout << y << ' ';
        }
        cout << '\n';
    }
    
    
    return 0;
}