(1)计算裴波那契数列:1 fbis=[0,1]2 num=int(input("please input the number"))3 for i in range(num-2):4 fbis.append(fbis[-2]+fbis[-1])5 print(fbis) 6.3 ...
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编程语言 时间:
2015-08-08 10:21:34
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144
codeforces55D查询给定区间内的beautiful number。 一个数字是beautiful number当且仅当能被自己的各个数字不为0的位整除。这个dp的状态还是挺难想的。一个数能被自己的各个位整除,那么必须是这些位的最小公倍数的倍数。那么可以想到的一个状态是dp[i][j][k]...
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其他好文 时间:
2015-08-08 09:05:05
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173
【104-Maximum Depth of Binary Tree(二叉树的最大深度)】【LeetCode-面试算法经典-Java实现】【所有题目目录索引】原题 Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from th...
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编程语言 时间:
2015-08-08 07:59:24
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126
1029. Median (25)Given an increasing sequence S of N integers, themedianis the number at the middle position. For example, the median of S1={11, 12, 1...
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其他好文 时间:
2015-08-08 01:11:56
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139
字符ip向数值转换:1 create or replace function f_ip2number (v_ip in varchar2) return number is2 i number;3 begin4 i:=regexp_substr(v_ip,'(\d{1,3})',1,1)*167.....
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数据库 时间:
2015-08-07 23:56:20
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405
Given acompletebinary tree, count the number of nodes.Definition of a complete binary tree fromWikipedia:In a complete binary tree every level, except...
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其他好文 时间:
2015-08-07 23:53:56
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135
题目Given a digit string, return all possible letter combinations that the number could represent.A mapping of digit to letters (just like on the telephone buttons) is given below.Input:Digit string “23”...
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其他好文 时间:
2015-08-07 22:23:27
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195
DescriptionOnce Bob took a paper stripe ofnsquares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly negativ...
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其他好文 时间:
2015-08-07 22:15:50
阅读次数:
127
原题:DescriptionOnce Bob took a paper stripe ofnsquares (the height of the stripe is 1 square). In each square he wrote an integer number, possibly nega...
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其他好文 时间:
2015-08-07 22:11:14
阅读次数:
139
原题:Descriptionbobo has a sequence a1,a2,…,an. He is allowed to swap twoadjacentnumbers for no more than k times.Find the minimum number of inversions ...
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其他好文 时间:
2015-08-07 22:05:30
阅读次数:
88