Compilare: user.c: In function ‘main’: user.c:12:13: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[1000]’ [-Wformat=] scanf( "%s" , &a ); ^ user.c:6:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "bunicu.in" , "r", stdin ); ^ user.c:7:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen( "bunicu.out" , "w", stdout ); ^ user.c:8:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d" , &t ); ^ user.c:10:14: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%d" , &n ); ^ user.c:12:18: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf( "%s" , &a ); ^