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RSS订阅原创 SQL 错误: ORA-02270: 此列列表的唯一关键字或主键不匹配
SQL 错误: ORA-02270: 此列列表的唯一关键字或主键不匹配收藏表，报错，怎么解决？？建表如下：外表（1）：--文件表CREATE TABLE files(id varchar2(32) default SYS_GUID(),fileNum VARCHAR2(50) NOT NULL,fileName VARCHAR2(50),oldfileName VARCHAR2(50),uploadTime timestamp,username VARCHAR2(50),u.
2020-05-20 08:54:57
1506
转载 分宿舍
分宿舍小伙们打算组团去参加。他们一共有n+m+2k个人，包括n+k个男生，m+k个女生，其中k对男女生为异性情侣，现在他们要找房间住。房间有三种类型，双人间a元一间，三人间b元一间，这两种只能同性一起住。情侣间能住一对异性情侣，一间c元。除了情侣间以外，其他房间都可以不住满。求最少花多少钱，能让小伙伴们都有地方住。求解...
2019-04-13 20:10:31
307
Big Number 1002（程序竞赛题）
Big Number
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 5916 Accepted Submission(s): 4135
Problem Description
As we know, Big Number is always troublesome. But it's really important in our ACM. And today, your task is to write a program to calculate A mod B.
To make the problem easier, I promise that B will be smaller than 100000.
Is it too hard? No, I work it out in 10 minutes, and my program contains less than 25 lines.
Input
The input contains several test cases. Each test case consists of two positive integers A and B. The length of A will not exceed 1000, and B will be smaller than 100000. Process to the end of file.
Output
For each test case, you have to ouput the result of A mod B.
Sample Input
2 3 12 7 152455856554521 3250
Sample Output
2 5 1521
2018-11-04
空空如也
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