Compilare: main.c:7:15: warning: return type defaults to 'int' [-Wimplicit-int] static inline depth(int i, int j){ ^~~~~ main.c: In function 'depth': main.c:10:10: warning: implicit declaration of function 'deep' [-Wimplicit-function-declaration] return deep(i,j); ^~~~ main.c: In function 'main': main.c:33:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~ main.c:36:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&h[i][j]); ^~~~~~~~~~~~~~~~~~~~~~~~~