Submission

Score: 100

User: Nuttykub

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-01 22:29:10

#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<vector<int>> vec(n,vector<int>(n,0));
    vector<vector<int>> matrix(n,vector<int>(n-1,0));
    for (int i =1;i < n;i++){
        for (int j = 0;j < i;j++){
            cin >> matrix[i][j];
        }
    }
    for (int i = 1;i < n;i++){
        for (int j =0;j <i;j++){
            vec[i][j] = matrix[i][j];
        }
    }
    for (int i = 0;i < n;i++){
        for (int j =0;j <n;j++){
            vec[i][j] = vec[j][i];
        }
    }
    for (int i = 0;i < n;i++){
        for (int j =0;j <n;j++){
            cout << vec[i][j] << " ";
        }
        cout << endl;
    }
}
    /*
    0 0 0      0 0 0 0
    1 0 0      1 0 0 0
    2 3 0      2 3 0 0
    4 5 6      4 5 6 0
    */