Borderou de evaluare (job #13081)

Compilare: user.c:4:1: warning: data definition has no type or storage class [enabled by default] user.c:4:1: warning: type defaults to 'int' in declaration of 'a' [-Wimplicit-int] user.c:5:1: warning: data definition has no type or storage class [enabled by default] user.c:5:1: warning: type defaults to 'int' in declaration of 'b' [-Wimplicit-int] user.c: In function 'main': user.c:8:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:9:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:11:10: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:14:14: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:17:18: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]