原创 Project Eurler - Problem 1
If we list all the natural numbers below 10 that are multiples of 3 or 5,
2020-02-22 22:32:08
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原创 Project Euler - Problem 4
A palindromic number reads the same both ways. The largest palindrome made from the product of two 2-digit numbers is 9
2020-02-22 22:31:57
原创 Project Euler - Problem 6
The sum of the squares of the first ten natural numbers is, 12 + 22 + … + 102 = 385 The square of the sum of the first
2020-02-22 22:31:57
原创 Project Euler - Problem 3
The prime factors of 13195 are 5, 7, 13 and 29. What is the largest prime
2020-02-22 22:31:57
原创 Project Euler - Problem 5
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder. What is the
2020-02-22 22:31:57
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原创 Project Euler - Problem 2
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the fi
2020-02-22 22:31:57
原创 Project Eurler - Problem 7
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10001s
2020-02-22 22:31:57
原创 C# 處理圖片
今天的工作是把服務器上所有的電影封面圖片稍微裁剪，適當縮放。貼下查資料和自己用到的代碼~~ 用到的一個枚舉 enum AnchorPosition { Top, Center, Bottom, Left
2018-09-01 17:37:21
原创 Project Euler – Problem 16
215 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 21000? 用py
2018-09-01 17:37:21
原创 Project Euler – Problem 19
You are given the following information, but you may prefer to do some research for yourself. 1 Jan 1900 was a Monday.
2018-09-01 17:37:21
原创 c# 提取HTML中所有圖片URL
/// <summary> /// 取得HTML中所有圖片的 URL。 /// </summary> /// <param name="sHtmlText">HTML代
2018-09-01 17:37:21
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原创 Project Euler – Problem 10
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below two million. 計算2000000一下的素數和
2018-09-01 17:37:18
原创 Project Euler – Problem 12
The sequence of triangle numbers is generated by adding the natural numbers. So the 7th triangle number would be 1 + 2
2018-09-01 17:37:18
原创 Project Euler – Problem 23
A perfect number is a number for which the sum of its proper divisors is exactly equal to the number. For example, the
2018-09-01 17:37:18
原创 Project Euler – Problem 22
Using names.txt (right click and 'Save Link/Target As...'), a 46K text file containing over five-thousand first names,
2018-09-01 17:37:18