1、到今天完成39题，还需要不停的加油。今天再分析下装雨水这道题Given n
non-negative integers representing an elevation map where the width of each bar
is 1, compute how much water i...
分类：
移动开发 时间：
2014-05-06 14:08:48
阅读次数：
490
Given an array of non-negative integers, you
are initially positioned at the first index of the array.Each element in the
array represents your maximu...
分类：
其他好文 时间：
2014-05-05 10:05:58
阅读次数：
300
Given a non-negative number represented as an array
of digits, plus one to the number.The digits are stored such that the most
significant digit is at...
分类：
其他好文 时间：
2014-05-04 19:46:18
阅读次数：
372
We consider permutations of the numbers 1,..., N
for some N. By permutation we mean a rearrangment of the
number 1,...,N. For example
2 4 5 1 7 6 3 8
is a permutation of 1,2,...,8. Of cours...
分类：
其他好文 时间：
2014-05-04 18:38:14
阅读次数：
341
题目
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2...
分类：
其他好文 时间：
2014-05-04 18:34:44
阅读次数：
272
DDL ：Data Definition Language (DDL) statements
are used to define the database structure or schema. Some examples:CREATE - to
create objects in the da...
分类：
数据库 时间：
2014-05-03 22:21:22
阅读次数：
410
题目：
Given a string S and a string T, count the number of distinct subsequences of T in S.
A subsequence of a string is a new string which is formed from the original string by deleting some (c...
分类：
其他好文 时间：
2014-05-03 21:48:19
阅读次数：
252
题目链接：
http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemId=5176
Simple Equation
Time Limit: 2 Seconds Memory Limit: 65536 KB
There are many Equations. Some are difficu...
分类：
其他好文 时间：
2014-05-03 17:47:01
阅读次数：
343
题目
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Have you thought about this?
Here are some good questions to ask before coding. Bonus points...
分类：
其他好文 时间：
2014-05-03 17:35:30
阅读次数：
345
Chef wrote some text on a piece of paper and now he wants to know how many holes are in the text. What is a hole? If you think of the paper as the plane and a letter as a curve on the plane, then each...
分类：
其他好文 时间：
2014-05-03 15:49:18
阅读次数：
412
