Borderou de evaluare (job #19889)

Eroare de compilare: user.c: In function 'main': user.c:14:9: warning: implicit declaration of function 'pcif' [-Wimplicit-function-declaration] user.c:31:11: error: 'o' undeclared (first use in this function) user.c:31:11: note: each undeclared identifier is reported only once for each function it appears in user.c:7:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:8:12: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] user.c:10:10: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result] user.c:13:14: warning: ignoring return value of 'scanf', declared with attribute warn_unused_result [-Wunused-result]