Borderou de evaluare (job #204930)

Compilare: user.c: In function ‘Dif’: user.c:42:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.c: In function ‘main’: user.c:59:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:62:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘Dif’: user.c:38:15: warning: ‘s’ may be used uninitialized in this function [-Wuninitialized]