ZYB loves Score Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5268 Description One day,ZYB participated in the BestCoder Contest There are four problems. Their scores are 1000,1500,2000,2500 According to the r…

题意:计算Bestcoder四题的得分. 思路:直接模拟,4项分数直接计算后输出.注意不要低于百分之40的分. //#include <bits/stdc++.h> #include <iostream> #include <cstdio> #define LL long long using namespace std; ; int a[N]; int b[N]; int cal() { ; ans=(/*(-a[])-b[]* >*/*(-a[])-b[]*:…

ZYB's Biology Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5590 Description ZYB(ZJ−267)在NOIP拿到600分之后开始虐生物题,他现在扔给你一道简单的生物题:给出一个DNA序列和一个RNA序列,问它们是否配对. DNA序列是仅由A,C,G,T组成的字符串,RNA序列是仅由A,C,G,U组成的字符串. DNA和RNA匹配当且仅当每…

Dylans loves numbers Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5272 Description Dylans是谁?你可以在 UOJ 和 Codeforces上看到他.在BestCoder里,他有另外一个ID:s1451900.今天的题目都和他有关哦.Dylans得到了一个数N.他想知道N的二进制中有几组1.如果两个1之间有若干个(至少一个)0…

题目链接: http://acm.hdu.edu.cn/showproblem.php?pid=5656 CA Loves Stick Accepts: 381   Submissions: 3204 Time Limit: 2000/1000 MS (Java/Others)     Memory Limit: 262144/262144 K (Java/Others) 问题描述 CA喜欢玩木棍. 有一天他获得了四根木棍,他想知道用这些木棍能不能拼成一个四边形.(四边形定义:https://e…

DZY Loves Balls 题目连接: http://acm.hdu.edu.cn/showproblem.php?pid=5645 Description DZY loves playing balls. He has n balls in a big box. On each ball there is an integer written. One day he decides to pick two balls from the box. First he randomly pick…

题目大意:给出一个由O和X组成的串(长度为1-80),统计得分. 每个O的分数为目前连续出现的O的个数,例如,OOXXOXXOOO的得分为1+2+0+0+1+0+0+1+2+3 解题思路:用一个变量term记录当前O的分数,若出现O,则term+1,若出现X,则term=0: 再用一个sum记录总和,没次加上term即可 /* UVa 1585 Score --- 水题 */ #include <cstdio> #include <cstring> ; int main() { i…

L - House Building Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5538 Description Have you ever played the video game Minecraft? This game has been one of the world's most popular game in recent years. The wor…

Friendship of Frog Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5578 Description N frogs from different countries are standing in a line. Each country is represented by a lowercase letter. The distance betwee…

Number Sequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 89984    Accepted Submission(s): 21437 Problem Description A number sequence is defined as follows: f(1) = 1, f(2) = 1, f(n) = (A…