PS:以前对long long型的数据就一直不怎么明白...弄了好久... long long a; scanf("%lld",&a); printf("%lld",a); 这样才行 代码:#include "stdio.h"void swap(long long *a,long long *b){ long long t; t*a; *a*b; *bt;}long long gcd(lon…
–创建一个表,此表作为子表create table fk_t as select *from user_objects;delete from fk_t where object_id is null;commit;–创建一个表,此表作为父表create table pk_t as select *from user_objects;delete from pk_t where object_id is null;c…