Borderou de evaluare (job #18422)

Compilare: user.c: In function ‘main’: user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:5: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Wstrict-overflow] user.c:32:21: warning: ‘i’ may be used uninitialized in this function [-Wuninitialized]