Borderou de evaluare (job #126808)

Compilare: user.c: In function ‘main’: user.c:9:5: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[100]’ [-Wformat] user.c:10:5: warning: implicit declaration of function ‘strlen’ [-Wimplicit-function-declaration] user.c:10:7: warning: incompatible implicit declaration of built-in function ‘strlen’ [enabled by default] user.c:7:13: warning: unused variable ‘a’ [-Wunused-variable] user.c:5:13: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:6:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:9:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]