Borderou de evaluare (job #514743)

Compilare: user.c: In function 'main': user.c:166:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] user.c:195:5: warning: 'z' may be used uninitialized in this function [-Wuninitialized] user.c:195:5: warning: 'y2' may be used uninitialized in this function [-Wuninitialized] user.c:195:5: warning: 'x2' may be used uninitialized in this function [-Wuninitialized] user.c:194:5: warning: 'y1' may be used uninitialized in this function [-Wuninitialized] user.c:194:5: warning: 'x1' may be used uninitialized in this function [-Wuninitialized]