Borderou de evaluare (job #138610)

Compilare: user.c:5:6: warning: return type of ‘main’ is not ‘int’ [-Wmain] user.c: In function ‘main’: user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:12:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:31:21: warning: ‘a’ may be used uninitialized in this function [-Wuninitialized]