11

#include<bits/stdc++.h>
int n, a[40][40], lasti, lastj;
int main() {
面附原if_else加三目版
for (int i = 1; i <= n; ++i) {
for (int j = 1; j <= n; ++j)printf("%d ", a[i][j]);
printf("\n");
}
return 0;
}