A. Nephren gives a riddle time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output What are you doing at the end of the world? Are you busy? Will you save us? Nephren is playing a game with little…

http://codeforces.com/contest/896/problem/A 第i个字符串嵌套第i-1个字符串 求第n个字符串的第k个字母 dfs #include<map> #include<cstdio> #include<iostream> using namespace std; typedef long long LL; ]={" What are you doing at the end of the world? Are you bus…

PROBLEM C/A. Nephren gives a riddle 题 http://codeforces.com/contest/896/problem/A codeforces 896a 897c 解 预第i个串的长度,由于k最大1e18,所以超过1e18的长度直接标记为无限大,不用计算 然后递归搜索即可 #include <iostream> #include <cstring> #include <cstdio> #include <cmath>…

What are you doing at the end of the world? Are you busy? Will you save us? Nephren is playing a game with little leprechauns. She gives them an infinite array of strings, f0... ∞. f0 is "What are you doing at the end of the world? Are you busy? Will…

What are you doing at the end of the world? Are you busy? Will you save us? Nephren is playing a game with little leprechauns. She gives them an infinite array of strings, f0... ∞. f0 is "What are you doing at the end of the world? Are you busy? Will…

A. Scarborough Fair time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Are you going to Scarborough Fair? Parsley, sage, rosemary and thyme. Remember me to one who lives there. He once was th…

题目链接:http://codeforces.com/contest/897/problem/C 题意: 给你一些字符串: A: [What are you doing at the end of the world? Are you busy? Will you save us?] B: [What are you doing while sending "] C: ["? Are you busy? Will you send "] D: ["?] (中括号内为…

思路: 递归. 比赛的时候脑抽了len[]没算够,wa了几次. 实现: #include <bits/stdc++.h> using namespace std; using ll = long long; const string s = "What are you doing at the end of the world? Are you busy? Will you save us?"; const string t = "What are you doi…

C. Nephren gives a riddle   time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output What are you doing at the end of the world? Are you busy? Will you save us? Nephren is playing a game with littl…

又掉分了0 0. A. Scarborough Fair time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Are you going to Scarborough Fair? Parsley, sage, rosemary and thyme. Remember me to one who lives there. He on…