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…

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…

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…

原题直通车: HDU  4722  Good Numbers 题意: 求区间[a,b]中各位数和mod 10==0的个数. 代码: #include<iostream> #include<cstdio> #include<cstring> #include<cmath> using namespace std; int f[20]; long long work(long long x){ long long ret=0, u=x; int t=0, s=0…

HDU 3117 Fibonacci Numbers(斐波那契前后四位,打表+取对+矩阵高速幂) ACM 题目地址:HDU 3117 Fibonacci Numbers 题意:  求第n个斐波那契数的前四位和后四位.  不足8位直接输出. 分析:  前四位有另外一题HDU 1568,用取对的方法来做的.  后四位能够用矩阵高速幂,MOD设成10000即可了. 代码: /* * Author: illuz <iilluzen[at]gmail.com> * Blog: http://blog.c…

HDOJ(HDU).1058 Humble Numbers (DP) 点我挑战题目 题意分析 水 代码总览 /* Title:HDOJ.1058 Author:pengwill Date:2017-2-15 */ #include <iostream> #include <cstdio> #include <algorithm> #include <cstring> #define nmax 6000 #define min(a,b) (a<b?a:b…

E. Binary Numbers AND Sum 题目链接:https://codeforces.com/contest/1066/problem/E 题意: 给出两个用二进制表示的数,然后将第二个二进制不断地往右边移一位,每次答案加上这两个的交集,求最后的答案. 题解: 考虑第二个二进制每一位对答案的贡献就行了,然后对第一个二进制算前缀和就ok了. 代码如下: #include <bits/stdc++.h> using namespace std; typedef long long l…

Binary Numbers Time Limit: 2 Seconds      Memory Limit: 65536 KB Given a positive integer n, print out 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 r…

problem 1022. Sum of Root To Leaf Binary Numbers 参考 1. Leetcode_easy_1022. Sum of Root To Leaf Binary Numbers; 完…

1022. 从根到叶的二进制数之和 1022. Sum of Root To Leaf Binary Numbers 题目描述 Given a binary tree, each node has value 0 or 1. Each root-to-leaf path represents a binary number starting with the most significant bit. For example, if the path is 0 -> 1 -> 1 ->…