Borderou de evaluare (job #13304)

Compilare: user.c: In function 'muta_a': user.c:26:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] user.c: In function 'muta_b': user.c:39:7: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] user.c: In function 'main': user.c:13:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] user.c:15:15: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] user.c:17:19: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result]