func_code_string: #include <bits/stdc++.h>   using namespace std;   int n, m;   bool check(int s) { return (int)sqrt(s) * (int)sqrt(s) == s; }   int main() {     int i, j, a, b, c, d, s1, s2, s3, s4;     scanf( %d%d , &n, &m);     for (a = 1; a <= 100; a++)       for (b = 1; b <= 100; b++)         for (c = 1; c <= 100; c++)           for (d = 1; d <= 100; d++) {             s1 = (m - 1) * a * a + b * b;             s2 = (n - 1) * a * a + c * c;             s3 = (n - 1) * b * b + d * d;             s4 = (m - 1) * c * c + d * d;             if (check(s1) && check(s2) && check(s3) && check(s4)) goto hhh;           }   hhh:     for (i = 1; i < n; i++) {       for (j = 1; j < m; j++) printf( %d  , a);       printf( %d n , b);     }     for (i = 1; i < m; i++) printf( %d  , c);     printf( %d n , d);     return 0;   }   