Ruudukko

#include <bits/stdc++.h>

using namespace std;

int main(){
    int n;
    
    cin>>n;
    
    int t[n][n];
    
    set<int> s;
    
    for(int i=1; i<=n; i++){
        t[i-1][0]=i;
    }
    for(int j=1; j<=n; j++){
        t[0][j-1]=j;
    }
    
    
    for(int i=1; i<n; i++){
        
        
        for(int j=1; j<n; j++){
            //Jokaista ruutua kohden
            for(int p=1; p<=n+30; p++){
                s.insert(p);
            }
            
            
            for(int k=0; k<j; k++){
                s.erase(t[i][k]);
            }
            
            for(int l=0; l<i; l++){
                s.erase(t[l][j]);
            }
        
            
            t[i][j] = *(s.begin());
            
        }
        
    }
    
    
    
    
    
    
    
    for(int i=0; i<n; i++){
        for(int j=0; j<n; j++){
            cout<<t[i][j]<<" ";
        }
        cout<<"\n";
    }

    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED