Counting
The Problem
Gustavo knows how to count, but he is now learning how write numbers. As he is a very good student, he already learned 1, 2, 3 and 4. But he didn't realize yet tha...
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其他好文 时间：
2014-07-18 22:04:36
阅读次数：
322
Double HappinessOn the math lesson a teacher asked each pupil to come up with his own lucky numbers. As a fan of number theory Peter chose prime numbe...
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移动开发 时间：
2014-07-18 00:12:12
阅读次数：
616
Summation of Four Primes
Input: standard input
Output: standard output
Time Limit: 4 seconds
Euler proved in one of his classic theorems that prime numbers are infinite in number. But can every nu...
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其他好文 时间：
2014-07-17 21:05:16
阅读次数：
299
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Sum of Consecutive Prime Numbers
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 18782
Accepted: 10308
Description
Some positive integers can be represen...
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其他好文 时间：
2014-07-17 19:15:16
阅读次数：
260
Where is the Marble? Where is the Marble?Raju and Meena love to play with Marbles. They have got a lot of marbles with numbers written on them. At the...
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其他好文 时间：
2014-07-17 14:20:27
阅读次数：
376
Given a triangle, find the minimum path sum from top to bottom. Each step you may move to adjacent numbers on the row below.For example, given the fol...
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其他好文 时间：
2014-07-17 14:03:41
阅读次数：
293
Description
Current work in cryptography involves (among other things) large prime numbers and computing powers of numbers among these primes. Work in this area has resulted in the practical use of...
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其他好文 时间：
2014-07-17 10:12:16
阅读次数：
191
A typical DFS usage, no big deal:class Solution {public: int dfs(TreeNode *p, int pval) { if( !p->left && !p->right ) { ...
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其他好文 时间：
2014-07-17 09:55:25
阅读次数：
171
There are N integers (1A[j].InputThe first line of the input contains the number N. The second line contains N numbers A1...AN.OutputWrite amount of s...
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其他好文 时间：
2014-07-17 00:24:27
阅读次数：
236
In mathematical terms, the sequenceFnof Fibonacci numbers is defined by the recurrence relationF1?=?1;F2?=?1;Fn?=?Fn?-?1?+?Fn?-?2(n?>?2).DZY loves Fib...
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其他好文 时间：
2014-07-16 16:45:19
阅读次数：
418
