链接: https://codeforces.com/contest/1272/problem/B 题意: Recently you have bought a snow walking robot and brought it home. Suppose your home is a cell (0,0) on an infinite grid. You also have the sequence of instructions of this robot. It is written as…
codeforces 704B - Ant Man 贪心 题意:n个点,每个点有5个值,每次从一个点跳到另一个点,向左跳:abs(b.x-a.x)+a.ll+b.rr 向右跳:abs(b.x-a.x)+a.lr+b.rl,遍历完所有的点,问你最后的花费是多少 思路:每次选一个点的时候,在当前确定的每个点比较一下,选最短的距离. 为什么可以贪心?应为答案唯一,那么路径必定是唯一的,每个点所在的位置也一定是最短的. #include <bits/stdc++.h> using namespace…
C. Yet Another Walking Robot time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output There is a robot on a coordinate plane. Initially, the robot is located at the point (0,0)(0,0). Its path is des…
题目链接:点击打开链接 Pushok the dog has been chasing Imp for a few hours already. Fortunately, Imp knows that Pushok is afraid of a robot vacuum cleaner. While moving, the robot generates a string t consisting of letters 's' and 'h', that produces a lot of no…