分析:使用的是构造新数字法进行不断构造,然后逼近每一位数字,然后使用c++徒手敲了240多行代码,竟然过了........................很有成就感. 代码如下: =============================================================================================================================== #include<stdio.h> #include<a…

111.Very simple problem time limit per test: 0.5 sec. memory limit per test: 4096 KB You are given natural number X. Find such maximum integer number that it square is not greater than X. Input Input file contains number X (1≤X≤101000). Output Write…

http://acm.hdu.edu.cn/showproblem.php?pid=1002 A + B Problem II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 261608    Accepted Submission(s): 50625 Problem Description I have a very simple p…

题目链接 Problem Description I have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.   Input The first line of the input contains an integer T(1<=T<=20) which means the number of test cases. Then T li…

题目链接:http://lx.lanqiao.cn/problem.page?gpid=T126 题意:中文题诶- 思路:显然被翻转了奇数次的硬币为反面朝上,但是本题的数据量很大,所以O(n^2)枚举每个点肯定是不行的．．． 可以反过来想一下,对于一个坐标 (i, j),显然其只被坐标 (x, y) 影响当且仅当 x 是 i 的因子或者 y 是 j 的因子: 用 f(x) 表示 x 的因子数目,那么坐标 (i, j) 反面朝上的充要条件为 f(i)*f(j) 为奇数,即 f(i) 为奇数并且 f…

A + B Problem II Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 261413    Accepted Submission(s): 50581 Problem Description I have a very simple problem for you. Given two integers A and B, yo…

原题代号:HDU 1002 原题链接:http://acm.hdu.edu.cn/showproblem.php?pid=1002 原题描述: Problem Description I have a very simple problem for you. Given two integers A and B, your job is to calculate the Sum of A + B.   Input The first line of the input contains an i…

C国的死对头A国这段时间正在进行军事演习,所以C国间谍头子Derek和他手下Tidy又开始忙乎了.A国在海岸线沿直线布置了N个工兵营地,Derek和Tidy的任务就是要监视这些工兵营地的活动情况.由于采取了某种先进的监测手段,所以每个工兵营地的人数C国都掌握的一清二楚,每个工兵营地的人数都有可能发生变动,可能增加或减少若干人手,但这些都逃不过C国的监视. 中央情报局要研究敌人究竟演习什么战术,所以Tidy要随时向Derek汇报某一段连续的工兵营地一共有多少人,例如Derek问:"Tidy,马上汇…

A Simple Problem with Integers [题目链接]A Simple Problem with Integers [题目类型]线段树 成段增减+区间求和 &题解: 线段树 成段增减+区间求和 模板题 这种题真的应该理解并且可以流畅的独立码出来了 [时间复杂度]\(O(nlogn)\) &代码: #include <iostream> #include <cstdio> #include <cstring> using namespa…

题目链接: 传送门 A Simple Problem with Integers Time Limit: 5000MS     Memory Limit: 131072K Description You have N integers, A1, A2, ... , AN. You need to deal with two kinds of operations. One type of operation is to add some given number to each number i…