Difference between revisions of "Project Euler"
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=== Multiples of 3 and 5 === | === Multiples of 3 and 5 === | ||
| − | Solved by Xiejiadong. | + | Solved by Xiejiadong&Czarina. |
题意：一千以下约数包含$3$和$5$的数和。 | 题意：一千以下约数包含$3$和$5$的数和。 | ||
Revision as of 13:42, 20 December 2018
挖了一个大坑，天知道什么时候能填完。感觉是不可能填完的。
Problem 1
Multiples of 3 and 5
Solved by Xiejiadong&Czarina.
题意：一千以下约数包含$3$和$5$的数和。
题解：直接暴力/等差数列求和。
答案：233168。