【Prime Number CodeForces - 359C (属于是数论)】的更多相关文章

Prime Number CodeForces - 359C (属于是数论)

Simon has a prime number x and an array of non-negative integers a1, a2, ..., an. Simon loves fractions very much. Today he wrote out number  on a piece of paper. After Simon led all fractions to a common denominator and summed them up, he got a frac…

CodeForce 359C Prime Number

Prime Number CodeForces - 359C Simon has a prime number x and an array of non-negative integers a1, a2, ..., an. Simon loves fractions very much. Today he wrote out number on a piece of paper. After Simon led all fractions to a common denominator and…

Relatively Prime Powers CodeForces - 1036F （莫比乌斯函数容斥）

Relatively Prime Powers CodeForces - 1036F Consider some positive integer xx. Its prime factorization will be of form x=2k1⋅3k2⋅5k3⋅-x=2k1⋅3k2⋅5k3⋅- Let's call xx elegant if the greatest common divisor of the sequence k1,k2,-k1,k2,- is equal to 11. F…

FZU 1649 Prime number or not米勒拉宾大素数判定方法。

C - Prime number or not Time Limit:2000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice FZU 1649 Description Your task is simple.Give you a number N, you should judge whether N is a prime number or not. Input There…

每日一九度之 题目1040：Prime Number

时间限制:1 秒 内存限制:32 兆 特殊判题:否 提交:6732 解决:2738 题目描述: Output the k-th prime number. 输入: k≤10000 输出: The k-th prime number. 样例输入: 3 7 样例输出: 5 17 虽然是英文题,但是题目意思很明确. 所以直接枚举出所有的素数,然后输入一个输出一个结果就可以了. 应该有更加简单高效的算法,欢迎指教! //Asimple #include <iostream> #include <…

LintCode-Kth Prime Number.

Design an algorithm to find the kth number such that the only prime factors are 3, 5, and 7. The eligible numbers are like 3, 5, 7, 9, 15 ... Example If k=4, return 9. Challenge O(n log n) or O(n) time Analysis: This is the Humble number problem (丑数问…

10 001st prime number

这真是一个耗CPU的运算,怪不得现在因式分解和素数查找现在都用于加密运算. By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number? def isprime(n): boolisprime = True for i in xrange(2,n): if n % i == 0: bool…

[LeetCode] Prime Number of Set Bits in Binary Representation 二进制表示中的非零位个数为质数

Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary representation. (Recall that the number of set bits an integer has is the number of 1s present when written in bin…

[Swift]LeetCode762. 二进制表示中质数个计算置位 | Prime Number of Set Bits in Binary Representation

Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime number of set bits in their binary representation. (Recall that the number of set bits an integer has is the number of 1s present when written in bin…

10_ for 练习 _ is Prime Number ?

<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>Is Prime Number?</title> </head> <body> <script type="text/javascript"> var xNumber = +prompt("请输入一个大于1的数字:")…