Borderou de evaluare (job #8842)

Compilare: user.c: In function ‘main’: user.c:12:1: warning: implicit declaration of function ‘rast’ [-Wimplicit-function-declaration] user.c:14:1: warning: implicit declaration of function ‘power’ [-Wimplicit-function-declaration] user.c:4:11: warning: unused variable ‘g’ [-Wunused-variable] user.c:4:7: warning: unused variable ‘f’ [-Wunused-variable] user.c:7:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:8:8: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] user.c:10:6: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]