Submission

Score: 100

User: kawinavokiwi

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2026-09-29 18:14:34

#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(j < i){
                cin >> arr[i][j]; 
            }else{
                arr[i][j] = 0;
            }
        }
    }
    for(int i = 0;i<n;i++){
        for(int  j = 0;j<n;j++){
            if(j > i){
                arr[i][j] = arr[j][i]; 
            }else if(j == i){
                arr[i][j] = 0;
            }
        }
    }
    for(int i = 0;i<n;i++){
        for(int  j = 0;j<n;j++){
            cout << arr[i][j] << " ";
        }
        cout << '\n';
    }

}