Borderou de evaluare (job #17647)

Compilare: user.c: In function ‘main’: user.c:9:65: warning: unused variable ‘r’ [-Wunused-variable] user.c:9:61: warning: unused variable ‘x2’ [-Wunused-variable] user.c:9:57: warning: unused variable ‘x1’ [-Wunused-variable] user.c:9:54: warning: unused variable ‘b’ [-Wunused-variable] user.c:9:48: warning: unused variable ‘max3’ [-Wunused-variable] user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:45:18: warning: ‘minl’ may be used uninitialized in this function [-Wuninitialized]