Discrete Function There is a discrete function. It is specified for integer arguments from 1 to N (2 ≤ N ≤ 100000). Each value of the function is longint (signed long in C++). You have to find such two points of the function for which all points betw…

链接:  http://acm.timus.ru/problem.aspx?space=1&num=1010 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=26732#problem/E E - Discrete Function Time Limit:1000MS     Memory Limit:65536KB     64bit IO Format:%I64d & %I64u Submit Status Practice …

1010. Discrete Function Time limit: 1.0 secondMemory limit: 64 MB There is a discrete function. It is specified for integer arguments from 1 to N (2 ≤ N≤ 100000). Each value of the function is longint (signed long in C++). You have to find such two p…

传送门:http://acm.hdu.edu.cn/showproblem.php?pid=6467 简单数学题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 308    Accepted Submission(s): 150 Problem Description 已知 F(n)=∑i=1n(i×∑j=inCij) 求 F(n) m…

简单数学题 Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 580    Accepted Submission(s): 257 Problem Description 已知 F(n)=∑i=1n(i×∑j=inCij) 求 F(n) mod 1000000007   Input 多组输入,每组输入占一行,包含一个整数n(1 <= n <…

5773. [NOIP2008模拟]简单数学题 (File IO): input:math.in output:math.out Time Limits: 1000 ms  Memory Limits: 262144 KB  Detailed Limits   Goto ProblemSet Description       话说, 小X是个数学大佬,他喜欢做数学题.有一天,小X想考一考小Y.他问了小Y一道数学题.题目如下:      对于一个正整数N,存在一个正整数T(0<T<N),使得…

Description       话说, 小X是个数学大佬,他喜欢做数学题.有一天,小X想考一考小Y.他问了小Y一道数学题.题目如下:      对于一个正整数N,存在一个正整数T(0<T<N),使得…

geometry  Accepts: 324  Submissions: 622  Time Limit: 2000/1000 MS (Java/Others)  Memory Limit: 65536/65536 K (Java/Others) Problem Description There is a point PP at coordinate (x,y)(x,y). A line goes through the point, and intersects with the posti…

-----------------------------Cryking原创------------------------------ -----------------------转载请注明出处,谢谢!------------------------ 管道函数是一种比较特殊的函数,其返回值为集合类型. 在PL/SQL中,管道函数和表函数.游标一起联合使用能实现一些比较复杂的功能,当和并行处理一起使用时,还能较大的改善性能. 使用示例1: 实现简单的字符串分割,函数参数为常见的VARCHAR2…

题目链接:http://acm.nefu.edu.cn/JudgeOnline/problemShow.php?problem_id=117 Time Limit:1000ms Memory Limit:65536K Description 小明是一个聪明的孩子,对数论有着很浓烈的兴趣.他发现求1到正整数10n 之间有多少个素数是一个很难的问题,该问题的难以决定于n 值的大小.现在的问题是,告诉你n的值,让你帮助小明计算小于10n的素数的个数值共有多少位? Input 输入数据有若干组,每组数据…