Borderou de evaluare (job #74474)

Eroare de compilare: user.c: In function ‘main’: user.c:9:1: error: ‘else’ without a previous ‘if’ user.c:19:32: warning: integer overflow in expression [-Woverflow] user.c:20:32: warning: integer overflow in expression [-Woverflow] user.c:21:32: warning: integer overflow in expression [-Woverflow] user.c:34:32: warning: integer overflow in expression [-Woverflow] user.c:35:32: warning: integer overflow in expression [-Woverflow] user.c:48:32: warning: integer overflow in expression [-Woverflow] user.c:5:61: warning: variable ‘z12’ set but not used [-Wunused-but-set-variable] user.c:5:56: warning: variable ‘z11’ set but not used [-Wunused-but-set-variable] user.c:5:51: warning: variable ‘z10’ set but not used [-Wunused-but-set-variable] user.c:5:47: warning: variable ‘z9’ set but not used [-Wunused-but-set-variable] user.c:5:43: warning: variable ‘z8’ set but not used [-Wunused-but-set-variable] user.c:5:39: warning: variable ‘z7’ set but not used [-Wunused-but-set-variable] user.c:5:35: warning: variable ‘z6’ set but not used [-Wunused-but-set-variable] user.c:5:31: warning: variable ‘z5’ set but not used [-Wunused-but-set-variable] user.c:5:27: warning: variable ‘z4’ set but not used [-Wunused-but-set-variable] user.c:5:23: warning: variable ‘z3’ set but not used [-Wunused-but-set-variable] user.c:5:19: warning: variable ‘z2’ set but not used [-Wunused-but-set-variable] user.c:5:15: warning: variable ‘z1’ set but not used [-Wunused-but-set-variable] user.c:8:7: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]