Submission #133727

#	Time	Username	Problem	Language	Result	Execution time	Memory
133727		forelax	Prosjecni (COCI16_prosjecni)	C++14	120 / 120	3 ms	376 KiB

prosjecni

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    if(n==2){
        cout<<-1;
        return 0;
    }
    if(n%2)
    for(int i = 0 ; i < n ; i ++){
        for(int j = 0 ; j < n ; j ++){
            cout<<i*n+j+1<<" ";
        }
        cout<<endl;
    }
    else{
    int sm=(n-2)*(n-1)/2;
    int sk=sm+n-1;
    for(int i = 0 ; i < n ; i ++){
        for(int j = 0 ; j < n ; j ++){
            cout<<i*sk+j+1+(j==n-1?sm-1:0)+(i==n-1?sm*sk-sk:0)<<" ";
        }
        cout<<endl;
    }
    }

}

• Subtask 1: 120 / 120