Compilare: user.c: In function ‘bkt’: user.c:51:4: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (!ok) ^ user.c: In function ‘citire’: user.c:35:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d", &n, &m, &nr); ^ user.c:37:12: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] {fscanf(fin,"%d %d", &x, &y); ^