Submission

Score: 100

User: mik

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-11 13:02:50

#include <bits/stdc++.h>

using namespace std;

int main(){
    ios_base::sync_with_stdio(false),cin.tie(NULL);
    int n;
    cin >> n;
    vector<vector<int>> m(n,vector<int>(n,0));
    for (int i=1;i<n;i++){
        for (int j=0;j<n;j++){
            if (j==i) break;
            cin >> m[i][j];
            m[j][i] = m[i][j];
        }
    }
    for (int i=0;i<n;i++){
        for (int j=0;j<n;j++){
            cout << m[i][j] << ' ';
        }
        cout << '\n';
    }
    return 0;
}