Borderou de evaluare (job #163817)

Compilare: user.c: In function ‘cod’: user.c:13:9: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] user.c: In function ‘main’: user.c:25:68: warning: unused variable ‘c2’ [-Wunused-variable] user.c:25:65: warning: unused variable ‘l2’ [-Wunused-variable] user.c:25:44: warning: unused variable ‘comp’ [-Wunused-variable] user.c:25:33: warning: unused variable ‘cf’ [-Wunused-variable] user.c:23:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:24:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:26:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:27:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:28:10: 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] user.c:40:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]