762. Prime Number of Set Bits in Binary Representation
static int wing=[]()
{
std::ios::sync_with_stdio(false);
cin.tie(NULL);
return ;
}(); class Solution
{
public:
int countPrimeSetBits(int L, int R)
{
int res=;
for(int k=L;k<=R;k++)
{
int cur=countone(k);
if(judgeprime(cur))
res++;
}
return res;
} int countone(int i)
{
int count=;
while(i)
{
count++;
i&=i-;
}
return count;
} bool judgeprime(int i)
{
if(i==)
return false;
int last=sqrt(i);
for(int j=;j<=last;j++)
{
if(i%j==)
return false;
}
return true;
}
};
三个函数,一个统计二进制1的个数,一个判定质数,一个统计结果
762. Prime Number of Set Bits in Binary Representation的更多相关文章
- 【Leetcode_easy】762. Prime Number of Set Bits in Binary Representation
problem 762. Prime Number of Set Bits in Binary Representation solution1: class Solution { public: i ...
- 762. Prime Number of Set Bits in Binary Representation二进制中有质数个1的数量
[抄题]: Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a ...
- LeetCode 762 Prime Number of Set Bits in Binary Representation 解题报告
题目要求 Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a ...
- [LeetCode&Python] Problem 762. 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 ...
- 【LeetCode】762. Prime Number of Set Bits in Binary Representation 解题报告(Python)
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 遍历数字+质数判断 日期 题目地址:https:// ...
- Leetcode 762. Prime Number of Set Bits in Binary Representation
思路:动态规划.注意1024*1024>10^6,所以质素范围是(0,23). class Solution { public int countPrimeSetBits(int L, int ...
- [LeetCode] 762. Prime Number of Set Bits in Binary Representation_Easy
Given two integers L and R, find the count of numbers in the range [L, R] (inclusive) having a prime ...
- [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 ...
- [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 ...
随机推荐
- 条件编译ifndef、ifdef、endif
1.条件编译命令最常见的形式为: #ifdef 标识符 程序段1 #else 程序段2 #endif 当标识符已经被定义过(一般是用#define命令定义),则对程序段1进行编译,否则编译程序段2. ...
- 二维背包 hdu2159
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2159 题目里面有两个限制条件,忍耐度和杀怪数量,所以可以用一个二维数组dp[i][j]来表示在消耗忍耐 ...
- STL-stack和顺序栈实现括号匹配
2018-11-11-14:28:31 1.顺序栈 下面是我用数组实现的顺序栈,包含的函数有出入栈,查看栈顶元素,栈的大小,栈是否空等函数,当栈空间不够用时,对应的数组会自动增长. /******** ...
- RxJS之转化操作符 ( Angular环境 )
一 map操作符 类似于大家所熟知的 Array.prototype.map 方法,此操作符将投射函数应用于每个值 并且在输出 Observable 中发出投射后的结果. import { Compo ...
- zabbix基础使用(以思科交换机为例)
1.创建host group --以方便添加告警和给host分组 一般先创建一个Group-Net,然后根据地点创建.命名,如Group-Net-BeiJing 2.创建Template 1.创建Di ...
- 20165315 预备作业3 Linux安装及学习
20165315 预备作业3 Linux安装及学习 一.在自己笔记本上安装Linux操作系统 因为对操作电脑的不熟悉,我在第一项任务上就花费了一定的时间,在安装过程有如下问题: 我的电脑是苹果公司的M ...
- linux下svn版本控制的常用命令大全
1.将文件checkout到本地目录 svn checkout path(path是服务器上的目录) 例如:svn checkout svn://192.168.1.1/pro/domain 简写:s ...
- XSS 攻击的防御
xss攻击预防,网上有很多介绍,发现很多都是只能预防GET方式请求的xss攻击,并不能预防POST方式的xss攻击.主要是由于POST方式的参数只能用流的方式读取,且只能读取一次,经过多次尝试,自己总 ...
- vs2017连接mysql以及问题汇总
https://www.cnblogs.com/eye-like/p/8494355.html https://blog.csdn.net/u012658972/article/details/791 ...
- Android Studio 使用入门
Android Studio 快捷键 Action Mac OSX Win/Linux 注释代码(//) Cmd + / Ctrl + / 注释代码(/**/) Cmd + Option + / Ct ...