Compilare: main.cpp: In function 'int af_mat(int (*)[1005])': main.cpp:12:35: warning: format '%f' expects argument of type 'double', but argument 2 has type 'int' [-Wformat=] printf("%f", mat[i][j]); ^ main.cpp:22:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:26:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ace.in", "r", stdin); ^ main.cpp:27:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("ace.out", "w", stdout); ^ main.cpp:29:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &p, &N, &M); ^ main.cpp:32:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &H[i][j]); ^