View Compilation Error

0_0_39272832_2104.cpp: In function 'int main()':
0_0_39272832_2104.cpp:20:38: error: 'pow' was not declared in this scope
   20 |                     dist[j][k] = pow(pow(abs(j-j_before),2)+ pow(abs(k-k_before),2),0.5)+dist[j_before][k_before];
      |                                      ^~~
0_0_39272832_2104.cpp:20:34: error: 'pow' was not declared in this scope
   20 |                     dist[j][k] = pow(pow(abs(j-j_before),2)+ pow(abs(k-k_before),2),0.5)+dist[j_before][k_before];
      |                                  ^~~
0_0_39272832_2104.cpp:32:27: error: 'fabs' was not declared in this scope; did you mean 'labs'?
   32 |         printf("%.3lf\n", fabs(dist[x2][y2]-dist[x1][y1]));
      |                           ^~~~
      |                           labs