一只小蜜蜂... Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description 有一只经过训练的蜜蜂只能爬向右侧相邻的蜂房,不能反向爬行.请编程计算蜜蜂从蜂房a爬到蜂房b的可能路线数. 其中,蜂房的结构如下所示. Input 输入数据的第一行是一个整数N,表示测试实例的个数,然后是N 行数据,每行包含两个…
超级楼梯 Time Limit: / MS (Java/Others) Memory Limit: / K (Java/Others) Total Submission(s): Accepted Submission(s): Problem Description 有一楼梯共M级,刚开始时你在第一级,若每次只能跨上一级或二级,要走上第M级,共有多少种走法? Input 输入数据首先包含一个整数N,表示测试实例的个数,然后是N行数据,每行包含一个整数M(<=M<=),表示楼梯的级数. Outpu…
A. Infinite Sequence 题目连接: http://www.codeforces.com/contest/622/problem/A Description Consider the infinite sequence of integers: 1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 4, 5.... The sequence is built in the following way: at first the number 1 is wr…
题目链接: https://cn.vjudge.net/problem/SGU-105 题目大意: 定义一个数列 1,12,123,1234,12345......12345678910,1234567891011 求第1-n项中能整除3的项的项数 解题思路: 水题,找规律就行 #include<bits/stdc++.h> using namespace std; int main() { int n, ans; cin >> n; ans = n / * ; == )ans++…
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…