Hangover Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 109231   Accepted: 53249 Description How far can you make a stack of cards overhang a table? If you have one card, you can create a maximum overhang of half a card length. (We're a…

BUPT 2017 summer training (16) #2C 题意 n个卡片可以支撑住的长度是1/2+1/3+1/4+..+1/(n+1)个卡片长度.现在给出需要达到总长度,求最小的n. 题解 模拟加起来,直到长度不小于给定的总长度. 我也写了个java代码^_^ 代码 import java.util.*; import java.io.*; public class Main{ public static void main(String []args){ Scanner cin =…

链接地址: Poj:http://poj.org/problem?id=1003 OpenJudge:http://bailian.openjudge.cn/practice/1003 题目: Hangover Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 94993   Accepted: 46025 Description How far can you make a stack of cards overhang…

POJ.1003 Hangover ( 水 ) 代码总览 #include <cstdio> #include <cstring> #include <algorithm> #include <cmath> #include <queue> #include <stack> #include <vector> #define nmax using namespace std; vector <double> v…

1003:数素数 (20) 时间限制 1000 ms 内存限制 32768 KB 代码长度限制 100 KB 判断程序 Standard (来自 小小) 题目描述 令Pi表示第i个素数.现任给两个正整数M <= N <= 10000,请输出PM到PN的所有素数. 输入描述: 输入在一行中给出M和N,其间以空格分隔. 输出描述: 输出从PM到PN的所有素数,每10个数字占1行,其间以空格分隔,但行末不得有多余空格. 输入例子: 5 27 输出例子: 11 13 17 19 23 29 31 37…

题目1003:A+B 时间限制:1 秒内存限制:32 兆 题目描述: 给定两个整数A和B,其表示形式是:从个位开始,每三位数用逗号","隔开. 现在请计算A+B的结果,并以正常形式输出. 输入: 输入包含多组数据数据,每组数据占一行,由两个整数A和B组成(-10^9 < A,B < 10^9). 输出: 请计算A+B的结果,并以正常形式输出,每组数据占一行. 样例输入: -234,567,890 123,456,789 1,234 2,345,678 样例输出: -1111…

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http://poj.org/problem?id=3321 http://acm.hdu.edu.cn/showproblem.php?pid=3887 POJ 3321: 题意:给出一棵根节点为1的边不一定的树,然后给出问题:询问区间和 或者 节点值更新. HDU 3887: 题意:和POJ 3321的题意差不多,只不过对每个节点询问不包含该节点的区间和 思路:今天才学了下才知道有DFS序这种东西,加上树状数组处理一下区间和 和 节点更新. DFS序大概就是我们在DFS遍历一棵树的时候,在进…

POJ 3252:Round Numbers Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 10099 Accepted: 3669 Description The cows, as you know, have no fingers or thumbs and thus are unable to play Scissors, Paper, Stone' (also known as 'Rock, Paper, Sciss…

    Hangover Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 95164   Accepted: 46128 Description How far can you make a stack of cards overhang a table? If you have one card, you can create a maximum overhang of half a card length. (We'r…