Submission

Score: 100

User: Kei

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-08 15:24:21

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int,int>;

void solve(){
    int dim,x;
    cin >> dim;
    vector<vector<int>> mat(dim, vector<int>(dim,0));
    //make a skew symmetric matrix;
    for(int i=0;i<dim-1;i++){
        for(int j=0;j<=i;j++){
            cin >> x;
            mat[i+1][j]=x;
            mat[j][i+1]=x;
        }
    }
    for(vector<int>& v : mat){
        for(int& x : v){
            cout << x << ' ';
        }
        cout << '\n';
    }
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    solve();
    return 0;
}