2016HUAS暑假集训训练题 F - 简单计算器

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2016HUAS暑假集训训练题 F - 简单计算器

Description 读入一个只包含 +, -, *, / 的非负整数计算表达式,计算该表达式的值. Input 测试输入包含若干测试用例,每个测试用例占一行,每行不超过200个字符,整数和运算符之间用一个空格分隔.没有非法表达式.当一行中只有0时输入结束,相应的结果不要输出. Output 对每个测试用例输出1行,即该表达式的值,精确到小数点后2位. Sample Input 1 + 2 4 + 2 * 5 - 7 / 11 0 Sample Output 3.00 1…

2016HUAS暑假集训训练题 G - Oil Deposits

Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerous square plots. It…

2016huas暑假集训训练题 G-Who's in the Middle

题目链接:http://acm.hust.edu.cn/vjudge/contest/121192#problem/G 此题大意是给定一个数n 然后有n个数要求求出其中位数刚开始以为是按数学中的中位数当n为偶数时输出中间两位数之和再除以2 这题是只要先排序再输出第n/2个数即可 ac代码: import java.io.BufferedInputStream; import java.util.Arrays; import java.util.Scanner; public clas…

2016HUAS暑假集训训练2 F - A Simple Problem with Integers

Description 给出了一个序列,你需要处理如下两种询问. "C a b c"表示给[a, b]区间中的值全部增加c (-10000 ≤ c ≤ 10000). "Q a b" 询问[a, b]区间中所有值的和. Input 第一行包含两个整数N, Q.1 ≤ N,Q ≤ 100000. 第二行包含n个整数,表示初始的序列A (-1000000000 ≤ Ai ≤ 1000000000). 接下来Q行询问,格式如题目描述. Output 对于每一个Q开头的询问…

2016HUAS暑假集训训练题 D - Find a way

F Find a way Pass a year learning in Hangzhou, yifenfei arrival hometown Ningbo at finally. Leave Ningbo one year, yifenfei have ma…

2016HUAS暑假集训训练题 E - Rails

There is a famous railway station in PopPush City. Country there is incredibly hilly. The station was built in last century. Unfortunately, funds were extremely limited that time. It was possible to establish only a surface track. Moreover, it turned…

2016HUAS暑假集训训练题 B - Catch That Cow

B - Catch That Cow Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,000) on a number line and the cow is at a point K (0 ≤ K ≤ 100,000) on the same num…