巧算题解

#include <iostream>
using namespace std;
int main() {
int a,b[1000000];
cin>>a;
for(int i=1;i<=a;i++){
b[i]=i;

}

int q=a*2+1,flag=1;

for(int i=1;i<=a;i++){
    if(flag%2!=0)q=2*a-1;
    else q=1;
    for(int j=1;j<=a;j++){
        cout<<b[j]<<" ";
        if(flag%2!=0){
        	b[j]+=q;
        	q-=2;
        }
        else{
            b[j]+=q;
            q+=2;
        }
        
    }
    flag++;
    cout<<"\n";
}
return 0;

}