Borderou de evaluare (job #5247)

Compilare: user.c: In function ‘main’: user.c:87:5: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat] user.c:19:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:37:27: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:68:29: warning: ‘x_max’ may be used uninitialized in this function [-Wuninitialized]