Submission

Score: 100

User: kawinavokiwi

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.005 second

Submitted On: 2026-09-29 15:46:57

#include<bits/stdc++.h>

using namespace std;

int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    int n;
    cin >> n;
    int arr[n][n];
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++){
            if(i > j){
                cin >> arr[i][j];
            }else{
                arr[i][j] = 0;
            }
        }
    }
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++){
            if(i < j){
                arr[i][j] = arr[j][i];
            }
        }
    }
    for(int i = 0;i<n;i++){
        for(int j = 0;j<n;j++){
            cout << arr[i][j] << " ";
        }
        cout << '\n';
    }
    return 0;
}