Submission

Score: 100

User: pxsit

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.005 second

Submitted On: 2026-09-29 20:05:44

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

int main() {
    int n;
    cin >> n;
    vector<vector<int>> arr(n,vector<int>(n,0));
    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++){
		for(int j=0;j<n;j++){
			cout << arr[i][j] << ' ';
		}
		cout << '\n';
	}
}