Compilare: user.c: In function ‘init_table’: user.c:43:6: warning: type of ‘start_i’ defaults to ‘int’ [enabled by default] void init_table(start_i, start_j, end_i, end_j) ^ user.c:43:6: warning: type of ‘start_j’ defaults to ‘int’ [enabled by default] user.c:43:6: warning: type of ‘end_i’ defaults to ‘int’ [enabled by default] user.c:43:6: warning: type of ‘end_j’ defaults to ‘int’ [enabled by default] user.c: In function ‘date_in’: user.c:36:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.c: In function ‘main’: user.c:68:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &k); ^ user.c:72:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^