Borderou de evaluare (job #287191)

Compilare: user.c: In function 'main': user.c:15:15: warning: unused variable 'ch2' [-Wunused-variable] user.c:15:10: warning: unused variable 'ch1' [-Wunused-variable] user.c:14:35: warning: unused variable 'ok' [-Wunused-variable] user.c:14:25: warning: unused variable 'co' [-Wunused-variable] user.c:19:11: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] user.c:21:15: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result]