Submission

Score: 100

User: kf._.exe

Problemset: เมทริกซ์สมมาตร

Language: cpp

Time: 0.004 second

Submitted On: 2025-10-15 18:03:55

#pragma GCC optimize("O3") 
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define dbg(x) cout << #x << " = " << x  << '\n';
#define int long long 
#define dd double
#define ld long double
void solve(){
     int n;cin >> n;
     int arr[n][n];
     for(int i=1;i<n;++i){
          for(int ii=0;ii<i;++ii){
               cin >> arr[i][ii];
               arr[ii][i]=arr[i][ii]; 
          }
     }
    for(int i=0;i<n;++i){
          for(int ii=0;ii<n;++ii) cout << ((i == ii ) ? 0 : arr[i][ii]) << " ";
          cout << '\n';
     } 
          
     
}

int32_t main(){
       fastio;
           int T = 1;
           //cin >> T
           while(T--) solve();
       return 0;
}