Borderou de evaluare (job #163079)

Compilare: user.c: In function ‘main’: user.c:32:9: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] user.c:15:68: warning: unused variable ‘c2’ [-Wunused-variable] user.c:15:65: warning: unused variable ‘l2’ [-Wunused-variable] user.c:15:44: warning: unused variable ‘comp’ [-Wunused-variable] user.c:15:33: warning: unused variable ‘cf’ [-Wunused-variable] user.c:13:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:14:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:16:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:17:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:18:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:20:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:30:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]