B. A Trivial Problem 题目连接: http://www.codeforces.com/contest/633/problem/B Description Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks for the number of positive integers n, such t…
B. A Trivial Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks f…
暴力 A - Ebony and Ivory import java.util.*; import java.io.*; public class Main { public static void main(String[] args) { Scanner cin = new Scanner (new BufferedInputStream (System.in)); int a = cin.nextInt (); int b = cin.nextInt (); int c = cin.nex…
B. A Trivial Problem time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks f…
H. Fibonacci-ish II 题目连接: http://codeforces.com/contest/633/problem/H Description Yash is finally tired of computing the length of the longest Fibonacci-ish sequence. He now plays around with more complex things such as Fibonacci-ish potentials. Fibo…
E. Startup Funding 题目连接: http://codeforces.com/contest/633/problem/E Description An e-commerce startup pitches to the investors to get funding. They have been functional for n weeks now and also have a website! For each week they know the number of u…
G. Yash And Trees 题目连接: http://www.codeforces.com/contest/633/problem/G Description Yash loves playing with trees and gets especially excited when they have something to do with prime numbers. On his 20th birthday he was granted with a rooted tree of…
D. Fibonacci-ish 题目连接: http://www.codeforces.com/contest/633/problem/D Description Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if the sequence consists of at least two elements…
C. Spy Syndrome 2 题目连接: http://www.codeforces.com/contest/633/problem/C Description After observing the results of Spy Syndrome, Yash realised the errors of his ways. He now believes that a super spy such as Siddhant can't use a cipher as basic and a…
A. Ebony and Ivory 题目连接: http://www.codeforces.com/contest/633/problem/A Description Dante is engaged in a fight with "The Savior". Before he can fight it with his sword, he needs to break its shields. He has two guns, Ebony and Ivory, each of t…
D. Fibonacci-ish time limit per test 3 seconds memory limit per test 512 megabytes input standard input output standard output Yash has recently learnt about the Fibonacci sequence and is very excited about it. He calls a sequence Fibonacci-ish if th…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output After observing the results of Spy Syndrome, Yash realised the errors of his ways. He now believes that a super spy such as Siddhant can't u…
time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Dante is engaged in a fight with "The Savior". Before he can fight it with his sword, he needs to break its shields. He has two guns, E…
Mr. Santa asks all the great programmers of the world to solve a trivial problem. He gives them an integer m and asks for the number of positive integers n, such that the factorial of n ends with exactly m zeroes. Are you among those great programmer…
