Compilare: user.c: In function ‘main’: user.c:36:13: warning: unused variable ‘j’ [-Wunused-variable] int t,i,j,n; ^ user.c:36:11: warning: unused variable ‘i’ [-Wunused-variable] int t,i,j,n; ^ user.c:34:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("deceeu.in","r",stdin); ^ user.c:35:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("deceeu.out","w",stdout); ^ user.c:37:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%i",&t); ^ user.c:39:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",s); ^