Problem	umbrella
User	kxd
Submission Time	2023-08-12 01:16:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

umbrella.cpp: In function ‘int main()’:
umbrella.cpp:16:13: error: ‘in’ was not declared in this scope; did you mean ‘int’?
16 | fscanf (in, "%d %d", &N, &M);
| ^~
| int
umbrella.cpp:36:14: error: ‘out’ was not declared in this scope
36 | fprintf (out, "%d\n", dp [N]);
| ^~~