gongzhq
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gongzhq：
deepfuture 写道能不能写个C的教程glut_samp ...
第一课：OpenGL窗口 -
gongzhq：
deepfuture 写道能不能写个C的教程c的你把类中的成员 ...
第一课：OpenGL窗口 -
deepfuture：
能不能写个C的教程
第一课：OpenGL窗口 -
socol：
排版太难看了再弄弄
第一课：OpenGL窗口
文章列表
The sum of the squares of the first ten natural numbers is,
12 + 22 + ... + 102 = 385
The square of the sum of the first ten natural numbers is,
(1 + 2 + ... + 10)2 = 552 = 3025
Hence the difference between the sum of the squares of the first
ten natural numbers and the square of the sum ...
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smallest number that is evenly divisible by all of the numbers from 1 to 20?
寻找能被1-20整除的最小数
答案：232792560
python code:
print reduce(lambda x,y:x*y , [x**y fo ...
http://projecteuler.net/index.php?section=problems&id=4
projecteuler.net第四题
A palindromic number reads the same both ways. The largest
palindrome made from the product of two 2-digit numbers is 9009 = 91
99.
Find the largest palindrome made from the product of two 3-digit numbers.
...
http://projecteuler.net/index.php?section=problems&id=3
projecteuler.net第三题
The prime factors of 13195 are 5, 7, 13 and 29.
What is the largest prime factor of the number 600851475143 ?
找出600851475143的最大质因数？
答案：6857
python code:
import sympy
max(sym ...
http://projecteuler.net/index.php?section=problems&id=2
projecteuler.net第二题
Find the sum of all the even-valued terms in the Fibonacci sequence which do not exceed four million.
求Fibonacci数列中小于4百万的偶数之和.
答案：4613732
python code:
def fibonacci(x):
a,b=0,1
...
http://projecteuler.net/index.php?section=problems&id=1
projecteuler.net第一题
Add all the natural numbers below one thousand that are multiples of 3 or 5.
求1000以下的能被3或5整除的整数之和.
答案：233168
python code:
print sum(i for i in xrange(1000) if (i %3==0)or(i%5==0))