A. Grandma Laura and Apples 题目连接: http://www.codeforces.com/contest/632/problem/A Description Grandma Laura came to the market to sell some apples. During the day she sold all the apples she had. But grandma is old, so she forgot how many apples she…

题意: 外祖母要卖苹果,(有很多但不知道数量),最终所有苹果都卖光了! 有n个人买苹果,如果那个人是half,他就买所有苹果的一半,如果那个人是halfplus,则他买当前苹果数量的一半,Laura还会送半个苹果!问最多能赚多少钱? 思路: 会后一个人一定是halfplus,否则苹果卖不完,所以最后一个人买的时候已经只剩一个.然后从后往前推. #include<cstdio> #include<cstring> #include<algorithm> #include&…

Beru-taxi 题目链接: http://codeforces.com/contest/706/problem/A Description Vasiliy lives at point (a, b) of the coordinate plane. He is hurrying up to work so he wants to get out of his house as soon as possible. New app suggested n available Beru-taxi…

A. Uncowed Forces Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/604/problem/A Description Kevin Sun has just finished competing in Codeforces Round #334! The round was 120 minutes long and featured five problems with maxi…

B. Plane of Tanks: Pro Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/175/problem/B Description Vasya has been playing Plane of Tanks with his friends the whole year. Now it is time to divide the participants into several…

A. Infinite Sequence 题目连接: http://www.codeforces.com/contest/675/problem/A Description Vasya likes everything infinite. Now he is studying the properties of a sequence s, such that its first element is equal to a (s1 = a), and the difference between…

E. Army Creation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output As you might remember from our previous rounds, Vova really likes computer games. Now he is playing a strategy game known a…

A. Digits Sequence Dividing(英文速读) 练习英语速读的题,我还上来昏迷一次....只要长度大于2那么一定可以等于2那么前面大于后面就行其他no 大于2的时候分成前面1个剩下后面一定是对的因为按照数字大小 代码 #include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin>>n;…

A. Professor GukiZ's Robot   Professor GukiZ makes a new robot. The robot are in the point with coordinates (x1, y1) and should go to the point (x2, y2). In a single step the robot can change any of its coordinates (maybe both of them) by one (decrea…

A. Wizards' Duel Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/591/problem/A Description Harry Potter and He-Who-Must-Not-Be-Named engaged in a fight to the death once again. This time they are located at opposite ends of…