RE了

#include<iostream>
using namespace std;
#define int long long
signed main(){
    int n;
    cin>>n;
    int num1,num2;
    int a[n][n];
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>a[i][j];
            }
        }
    for(int i=1;i<=n;i++){
        num1+=a[i][i];
        num2+=a[i][n-i+1];
        }
    cout<<num1<<" "<<num2;
	return 0;
}