Borderou de evaluare (job #41478)

Compilare: user.c: In function 'main': user.c:13:5: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:18:9: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:23:9: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:23:9: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:25:17: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:28:21: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:31:25: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:34:29: warning: array subscript has type 'char' [-Wchar-subscripts] user.c:23:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] user.c:7:14: warning: unused variable 'a' [-Wunused-variable] user.c:9:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:10:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:12:10: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:17:14: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]