Submission

Score: 100

User: dddrrrr

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2025-10-14 23:33:23

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

int main(){
	cin.tie(0)->sync_with_stdio(0);
	int n;cin >> n;
	vector <vector <int>> vec(n ,vector <int>(n ,0));
	
	int m=1;
	for(int i=1 ;i<n ;i++){
		for(int j=0 ;j<m ;j++){
			cin >> vec[i][j];
			vec[j][i] = vec[i][j];
		}
		m++;
	}
	
	for(auto row : vec){
		for(auto col : row){
			cout << col << ' ';
		}
		cout << "\n";
	}
	
	
	return 0;
	
}