Compilare: main.c: In function 'cmmdc': main.c:6:5: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if (a == b) ^ main.c: In function 'main': main.c:23:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%u", &a); ^~~~~~~~~~~~~~~~~~~ main.c:24:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f, "%u", &b); ^~~~~~~~~~~~~~~~~~~