
欧拉计划
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欧拉计划(三)7,8,9
欧拉题7By 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 10 001st prime number?第10001个素数//第n个素数#include <iostream>using nam...原创 2018-09-08 22:42:47 · 197 阅读 · 0 评论 -
欧拉题(二)4,5,6题
欧拉题4A 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-...原创 2018-09-08 22:34:32 · 393 阅读 · 0 评论 -
欧拉题专栏
欧拉题1If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.Find the sum of all the multiples of 3 or 5 below 1000.1000以下...原创 2018-09-08 22:13:39 · 206 阅读 · 0 评论 -
欧拉题10,11,12,15,16——15分治,16字符加法乘法
欧拉题10The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.Find the sum of all the primes below two million.2000000以下素数的和//2000000以下素数的和#include <iostream>using namespace std;inlin...原创 2018-09-09 11:34:35 · 213 阅读 · 0 评论