*勿以浮沙筑高台* 持续更新........     题目网址:https://leetcode.com/problemset/all/?difficulty=Easy 1. Two Sum [4ms] 2. Reverse Integer [12ms] 题意:将一个32bit signed integer反转输出,如果反转之后超出32位补码范围 [-2^31,2^31-1],则输出0 思路:边取模边算结果,结果存longlong判界 3. Palindrome Number [112ms]…

Problem E Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets…

An easy problem Time Limit:3000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Description When Teddy was a child , he was always thinking about some simple math problems ,such as “What it’s 1 cup of water plus 1 pile of d…

Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets easy probl…

An Easy Problem?! Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 7837   Accepted: 1145 Description It's raining outside. Farmer Johnson's bull Ben wants some rain to water his flowers. Ben nails two wooden boards on the wall of his barn…

http://acm.hdu.edu.cn/showproblem.php?pid=5475 An easy problem Time Limit: 8000/5000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 755 Accepted Submission(s): 431 Problem Description One day, a useless calculator was…

UVa11991 Easy Problem from Rujia Liu?  思路:  构造数组data,使满足data[v][k]为第k个v的下标.因为不是每一个整数都会出现因此用到map,又因为每个数出现次数不等可能相差很大,因此用到vector. 注意:对于数据的清空与判空不要忘记,而map在调用之前必须有map.count的检查. 代码: #include<cstdio> #include<map> #include<vector> using namespac…

An easy problem Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5475 Description One day, a useless calculator was being built by Kuros. Let's assume that number X is showed on the screen of calculator. At first,…

Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets easy probl…

An Easy Problem for Elfness Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others)Total Submission(s): 1148    Accepted Submission(s): 234 Problem Description Pfctgeorge is totally a tall rich and handsome guy. He plans t…

Problem Description We once did a lot of recursional problem . I think some of them is easy for you and some if hard for you. Now there is a very easy problem . I think you can AC it. We can define sum(n) as follow: if i can be divided exactly by 3 s…

An Easy Problem   Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form. Given a positive integer I, you task is to find out an integer J, which is the m…

11991 - Easy Problem from Rujia Liu? Time limit: 1.000 seconds Problem E Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ con…

</pre><h1 style="color: rgb(26, 92, 200);">An easy problem</h1><strong><span style="color: green; font-family: Arial;">Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Tot…

11991 - Easy Problem from Rujia Liu? Though Rujia Liu usually sets hard problems for contests (for example, regional contests likeXi’an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu’s Presents 1and 2), he occasionally sets easy…

问题: 開始尝试用字符做数组元素.可是并没实用. 在推断语句时把a z排出了. An easy problem Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16516    Accepted Submission(s): 11096 Problem Description we define f(A) = 1, f(a) = -1,…

option=com_onlinejudge&Itemid=8&page=show_problem&problem=3142" target="_blank" style="">题目链接:uva 11991 - Easy Problem from Rujia Liu? 题目大意:给出一个包括n个整数的数组,你须要回答若干询问,每次询问两个整数k和v,输出从左到右第k个v的下标 解题思路:用map映射一个vector,相应即为m…

CJOJ 2485 UVa 11991 生日礼物 / UVa 11991 Easy Problem from Rujia Liu? Description (原题来自刘汝佳<训练指南>Page187,UVa 11991.) 可爱的小F就要过生日啦,为了刷存在感,我们的小F十分诚恳(xian de mei shi)地向女神小E要生日礼物.不过傲娇(2333)的小E当然不会随便答应的啦~为了为难小F,小E就说: "如果你能做出这道简单题,我就给你礼物:如果做不出来,嘿嘿嘿嘿-"…

Though Rujia Liu usually sets hard problems for contests (for example, regional contests like Xi'an 2006, Beijing 2007 and Wuhan 2009, or UVa OJ contests like Rujia Liu's Presents 1 and 2), he occasionally sets easy problem (for example, 'the Coco-Co…

Another Easy Problem Time Limit: 1000MS   Memory Limit: 32768KB   64bit IO Format: %I64d & %I64u [Submit]   [Go Back]   [Status] Description xtt最近学习了高斯消元法解方程组,现在他的问题来了,如果是以下的方程,那么应该如何解呢? C(n1,m1)==0 (mod M) C(n2,m2)==0 (mod M) C(n3,m3)==0 (mod M) ...…

1815: easy problem Time Limit: 1 Sec  Memory Limit: 128 MB Submit: 243  Solved: 108 SubmitStatusWeb Board Description 给你一个数字N,N的范围是1~1000000,求一个最小的正整数M,这个数字M的各个位的数字加上它本身之和恰好为N.当然,如果没有解,输出0. Input 输入数据由多组数据组成,每行由一个数字N组成(1<=N<=1000000). Output 对于每组数据,…

题目意思: http://acm.hdu.edu.cn/showproblem.php? pid=2601 给出一个数N,求N=i*j+i+j一共同拥有多少种方案. 题目分析: 此题直接暴力模拟就可以.仅仅是须要将上式转化为n+1=(i+1)*(j+1)进行计算就可以. AC代码: /** *hdu2601 An easy problem *意思:求n=i*j+i+j的种类 *分析:转化为n+1=(i+1)*(j+1),求解即可了 */ #include<iostream> #include&…

An easy problem A Time Limit: 2000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Others) Submit Status N个数排成一列,Q个询问,每次询问一段区间内的数的极差是多少. Input 第一行两个整数N(1≤N≤50000),Q(1≤Q≤200000).接下来一行N个整数a1 a2 a3 ....an,(1≤ai≤1000000000).接下来Q行,每行两个整数L,R(1≤L…

http://poj.org/problem?id=2826 An Easy Problem?! Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 10505   Accepted: 1584 Description It's raining outside. Farmer Johnson's bull Ben wants some rain to water his flowers. Ben nails two woode…

An Easy Problem?! Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 12970   Accepted: 1995 Description It's raining outside. Farmer Johnson's bull Ben wants some rain to water his flowers. Ben nails two wooden boards on the wall of his bar…

\[传送门qwq\] [题目描述] 给定一个正整数N,求最小的.比N大的正整数M,使得M与N的二进制表示中有相同数目的1. 举个例子,假如给定的N为78,其二进制表示为1001110,包含4个1,那么最小的比N大的并且二进制表示中只包含4个1的数是83,其二进制是1010011,因此83就是答案. [输入] 输入若干行,每行一个数n(1≤n≤1000000),输入"0"结束. [输出] 输出若干行对应的值. [输入样例] 1 2 3 4 78 0 [输出样例] 2 4 5 8 83 […

题目地址:CF1096D Easy Problem 比赛时高二dalaoLRZ提醒我是状压,然而,我还是没AC (汗 其实是一道很基础的线性dp \(f_{i,j}\) 表示序列第 \(i\) 个字符时对于 \(string\ st="hard"\) 的前缀 \(0\) ~ \(j-1\) 最小的ambiguity值 边界: \(f_0=0\) ,其它 \(f\) 值均为 \(∞\) 状态转移方程: 若 \(s_i≠st_{j-1}\) ,则 \(f_{i,j}=f_{i-1,j}\)…

An Easy Problem Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 8371   Accepted: 5009 Description As we known, data stored in the computers is in binary form. The problem we discuss now is about the positive integers and its binary form.…

[CC-XXOR]Chef and Easy Problem 题目大意: 给你一个长度为\(n(n\le10^5)\)的序列\(A(A_i<2^{31})\).\(m(m\le10^5)\)次询问,每次给定一个区间\([l,r]\),求使得\(\sum_{i=l}^r(A_i\oplus x)\)最大的\(x(x<2^{31})\)是多少. 思路: 按位考虑,如果这一位是\(1\)的数比较多那么就把\(x\)的这一位弄成\(0\),否则弄成\(1\). 源代码: #include<cst…

Vasya is preparing a contest, and now he has written a statement for an easy problem. The statement is a string of length n consisting of lowercase Latin latters. Vasya thinks that the statement can be considered hard if it contains a subsequence har…