Borderou de evaluare (job #328988)

Eroare de compilare: user.c: In function ‘main’: user.c:6:46: error: redeclaration of ‘z’ with no linkage user.c:6:17: note: previous declaration of ‘z’ was here user.c:8:1: error: ‘i’ undeclared (first use in this function) user.c:8:1: note: each undeclared identifier is reported only once for each function it appears in user.c:10:1: error: ‘d’ undeclared (first use in this function) user.c:20:1: error: ‘ic’ undeclared (first use in this function) user.c:21:1: error: ‘ic3’ undeclared (first use in this function) user.c:32:5: error: expected expression before ‘}’ token user.c:6:49: warning: variable ‘z2’ set but not used [-Wunused-but-set-variable] user.c:6:46: warning: variable ‘z’ set but not used [-Wunused-but-set-variable] user.c:6:41: warning: unused variable ‘ci3’ [-Wunused-variable] user.c:6:37: warning: unused variable ‘ci’ [-Wunused-variable] user.c:6:24: warning: variable ‘i2’ set but not used [-Wunused-but-set-variable] user.c:6:14: warning: unused variable ‘m’ [-Wunused-variable] user.c:6:11: warning: unused variable ‘c’ [-Wunused-variable] user.c:7:6: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]