Binary Representation】的更多相关文章

5.2 Given a real number between 0 and 1 (e.g., 0.72) that is passed in as a double, print the binary representation. If the number cannot be represented accurately in binary with at most 32 characters, print "ERROR."…
5.3 Given a positive integer, print the next smallest and the next largest number that have the same number of 1 bits in their 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…
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…
[抄题]: 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…
题目要求 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 i…
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 bina…
Given a (decimal - e.g. 3.72) number that is passed in as a string, return the binary representation that is passed in as a string. If the fractional part of the number can not be represented accurately in binary with at most 32 characters, return ER…
求整数最大的连续0的个数 A binary gap within a positive integer N is any maximal sequence of consecutive zeros that is surrounded by ones at both ends in the binary representation of N. For example, number 9 has binary representation 1001 and contains a binary g…
problem 762. Prime Number of Set Bits in Binary Representation solution1: class Solution { public: int countPrimeSetBits(int L, int R) { int res = 0; int bits = 0; for(int i=L; i<=R; i++) { bits = countBits(i); if(isPrime(bits) && bits!=1 ) res…
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.com/problems/prime-number-of-set-bits-in-binary-representation/description/ 题目描述 Given two integers L and R, find the count of numbers in the…
Not hard to think of a solution. But the key is all details. class Solution { public: /** *@param n: Given a decimal number that is passed in as a string *@return: A string */ string binaryRepresentation(string n) { size_t pos = n.find("."); uns…
这是悦乐书的第311次更新,第332篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第180题(顺位题号是762).给定两个正整数L和R,在[L,R]范围内,计算每个整数的二进制数中1的个数,判断1的个数是否是一个素数.例如,21的二进制数是10101,其中1的个数有3个,3是一个素数.例如: 输入:L = 6,R = 10 输出:4 说明: 6 --> 110(2个1,2是素数) 7 --> 111(3个1,3是素数) 9 --> 1001(2个1,2是素数…
static int wing=[]() { std::ios::sync_with_stdio(false); cin.tie(NULL); ; }(); class Solution { public: int countPrimeSetBits(int L, int R) { ; for(int k=L;k<=R;k++) { int cur=countone(k); if(judgeprime(cur)) res++; } return res; } int countone(int i…
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 R) { Set<Integer> prime = new HashSet<Integer>(Arrays.asList(2,3,5,7,11,13,17,19,23)); int[] count = new int[1+R]; int res = 0; for(int i = 1;…
给定两个整数 L 和 R ,找到闭区间 [L, R] 范围内,计算置位位数为质数的整数个数. (注意,计算置位代表二进制表示中1的个数.例如 21 的二进制表示 10101 有 3 个计算置位.还有,1 不是质数.) 示例 1: 输入: L = 6, R = 10 输出: 4 解释: 6 -> 110 (2 个计算置位,2 是质数) 7 -> 111 (3 个计算置位,3 是质数) 9 -> 1001 (2 个计算置位,2 是质数) 10-> 1010 (2 个计算置位,2 是质数…
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 转成十进制模拟 修改二进制字符串 日期 题目地址:https://leetcode-cn.com/problems/number-of-steps-to-reduce-a-number-in-binary-representation-to-one/ 题目描述 给你一个以二进制形式表示的数字 s .请你返回按下述规则将其减少到 1 所需要的步骤数: 如…
Same binary weight 时间限制:300 ms  |  内存限制:65535 KB 难度:3   描述 The binary weight of a positive  integer is the number of 1's in its binary representation.for example,the decmial number 1 has a binary weight of 1,and the decimal number 1717 (which is 1101…
COMPUTER ORGANIZATION AND ARCHITECTURE DESIGNING FOR PERFORMANCE NINTH EDITION Therefore, the conversion algorithm involves repeated multiplication by 2. At each step, the fractional part of the number from the previous step is multiplied by 2. The d…
Given a 2D matrix matrix, find the sum of the elements inside the rectangle defined by its upper left corner (row1, col1) and lower right corner (row2, col2). Range Sum Query 2D The above rectangle (with the red border) is defined by (row1, col1) = (…
Task Given a base-10 integer, n, convert it to binary (base-2). Then find and print the base-10 integer denoting the maximum number of consecutive 1's in n's binary representation. Input Format A single integer, n. Constraints  1 <= n <= 10^6 Output…
http://acm.hdu.edu.cn/showproblem.php?pid=1390 Binary Numbers Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 2298    Accepted Submission(s): 1460 Problem Description Given a positive integer n…
In computer science, a heap is a specialized tree-based data structure that satisfies the heap property: If A is a parentnode of B then the key of node A is ordered with respect to the key of node B with the same ordering applying across the heap. Ei…
public class Binary { public static void main(String[] args) { // Print binary representation of N. int N = Integer.parseInt(args[0]); int v = 1; while(v <= N/2) v = 2*v; // Now v is the largest power of 2 <= N. int n = N; // current excess while (v…
Problem Description Given a positive integer n, find the positions of all 1's in its binary representation. The position of the least significant bit is 0. Example The positions of 1's in the binary representation of 13 are 0, 2, 3. Task Write a prog…
Binary Numbers 点我 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3820    Accepted Submission(s): 2321 Problem Description Given a positive integer n, find the positions of all 1's in its binary…
题目描述 The binary weight of a positive  integer is the number of 1's in its binary representation.for example,the decmial number 1 has a binary weight of 1,and the decimal number 1717 (which is 11010110101 in binary) has a binary weight of 7.Give a pos…
Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example 1: Input: 5 Output: True Explanation: The binary representation of 5 is: 101 Example 2: Input: 7 Output: False Ex…
Given a positive integer N, find and return the longest distance between two consecutive 1's in the binary representation of N. If there aren't two consecutive 1's, return 0. Example 1: Input: 22 Output: 2 Explanation: 22 in binary is 0b10110. In the…
Given a positive integer, check whether it has alternating bits: namely, if two adjacent bits will always have different values. Example 1: Input: 5 Output: True Explanation: The binary representation of 5 is: 101  Example 2: Input: 7 Output: False E…