Borderou de evaluare (job #158871)

Compilare: user.c: In function ‘main’: user.c:19:1: warning: unknown conversion type character ‘,’ in format [-Wformat] user.c:19:1: warning: unknown conversion type character ‘,’ in format [-Wformat] user.c:20:1: warning: unknown conversion type character ‘,’ in format [-Wformat] user.c:20:1: warning: unknown conversion type character ‘,’ in format [-Wformat] user.c:29:5: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] user.c:36:5: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] user.c:37:5: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] user.c:42:7: warning: operation on ‘co’ may be undefined [-Wsequence-point] user.c:16:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:56:1: warning: control reaches end of non-void function [-Wreturn-type]