先上题目：Find NumbersTime Limit: 10000/5000 MS
(Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s):
26Accepted Submission(s): 20Spec...
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其他好文 时间：
2014-06-02 17:15:22
阅读次数：
267
You are given two linked lists representing two
non-negative numbers. The digits are stored in reverse order and each of their
nodes contain a single ...
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其他好文 时间：
2014-06-01 17:05:44
阅读次数：
296
问题：
Given a collection of numbers, return all possible permutations.
For example,
[1,2,3] have the following permutations:
[1,2,3], [1,3,2], [2,1,3], [2,3,1], [3,1,2],
and [3,2,1].
分析：
...
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其他好文 时间：
2014-06-01 15:04:42
阅读次数：
259
??
Description
Given N numbers, X1,
X2, ... , XN, let us calculate the difference of every pair of numbers: ∣Xi
- Xj∣ (1 ≤ i
＜ j ≤ N). We can get C(N,2) differences through this work, and no...
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其他好文 时间：
2014-06-01 14:07:56
阅读次数：
347
问题：
Given a collection of numbers that might contain duplicates, return all possible unique permutations.
For example,
[1,1,2] have the following unique permutations:
[1,1,2], [1,2,1],
and...
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其他好文 时间：
2014-06-01 13:03:12
阅读次数：
324
题目链接：http://poj.org/problem?id=3252题意：给出一个二进制区间，求出0的个数不小于1的个数这样的二进制个数解法：数位DP，定义状态dp[len][num_zero][num_one]，num_zero
定义为写0的个数。 1 #include 2 #include 3...
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其他好文 时间：
2014-06-01 12:06:33
阅读次数：
191
title:
A Pythagorean triplet is a set of three natural numbers, a
b
c, for which,
a2 + b2 =
c2
For example, 32 + 42 = 9 + 16 = 25 = 52.
There exists exactly one Pythagorean triplet for wh...
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其他好文 时间：
2014-06-01 09:17:53
阅读次数：
251
【题目】
A message containing letters from A-Z is being encoded to numbers using the following mapping:
'A' -> 1
'B' -> 2
...
'Z' -> 26
Given an encoded message containing digits, determine the total number of ways to decode it.
For example,
Given encoded ...
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其他好文 时间：
2014-06-01 08:59:37
阅读次数：
258
title:
Work out the first ten digits of the sum of the following one-hundred 50-digit numbers.
37107287533902102798797998220837590246510135740250
4637693767749000971264812489697007805041701826053...
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其他好文 时间：
2014-06-01 08:53:33
阅读次数：
276
Description
T. Chur teaches various groups of students at university U. Every U-student has a unique Student Identification Number (SIN). A SIN s is an integer in the range 0 ≤ s ≤ MaxSIN with MaxS...
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其他好文 时间：
2014-06-01 07:40:18
阅读次数：
248
