Borderou de evaluare (job #87877)

Eroare de compilare: user.c: In function ‘main’: user.c:12:5: error: ‘c’ undeclared (first use in this function) user.c:12:5: note: each undeclared identifier is reported only once for each function it appears in user.c:14:9: error: ‘i’ undeclared (first use in this function) user.c:26:23: error: ‘m’ undeclared (first use in this function) user.c:7:18: warning: variable ‘r2’ set but not used [-Wunused-but-set-variable] user.c:7:15: warning: variable ‘r1’ set but not used [-Wunused-but-set-variable] user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] user.c:15:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result]