dog都能看懂的题解不懂去小码王找陈子睿

#include<bits/stdc++.h>
using namespace std;
int a[1001][1001];
int main(){
int n;
cin>>n;
int cnt=1;
for(int i=1;i<=n;i++)
{
if(i%2==1)
{
for(int j=1;j<=n;j++)
{
a[i][j]=cnt++;
}
}
else
for(int j=n;j>=1;j--)
a[i][j]=cnt++;
}
for (int i =1; i <=n; ++i) {
for (int j =1; j <=n; ++j) {
cout<<a[i][j]<<" ";
}
cout<<endl;
}
return 0;
}