Borderou de evaluare (job #204857)

Compilare: user.c: In function ‘Dif’: user.c:53:11: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] user.c: In function ‘main’: user.c:70:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:73:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c: In function ‘Dif’: user.c:49:15: warning: ‘s’ may be used uninitialized in this function [-Wuninitialized]