Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the second soldier. Then the second one tries to make maximum possible number of rounds. Each round consists of choosing a positive integer x…
D. Soldier and Number Game time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the seco…
Easy Number Challenge Time Limit:2000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 236B Appoint description: System Crawler (2016-04-26) Description Let's denote d(n) as the number of divisors of a…
题目链接:https://cn.vjudge.net/problem/CodeForces-546D 题意 抱歉,我给忘了,现在看题目又看不懂: P 思路 筛法+dp 话说这个函数应该是积性函数,然后就想到了动态规划优化筛法. 提交过程 AC 代码 #include <cstdio> #include <cstring> const int maxp=1e6, maxn=5e6+20; int primes[maxn], psize; long long ans[maxn], pr…
Description Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the second soldier. Then the second one tries to make maximum possible number of rounds. Each round consists of choosing a positi…
D. Soldier and Number Game time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to the…
题目描述: Soldier and Number Game time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output Two soldiers are playing a game. At the beginning first of them chooses a positive integer n and gives it to t…
Help Hanzo (LightOJ - 1197) [简单数论][筛区间质数] 标签: 入门讲座题解 数论 题目描述 Amakusa, the evil spiritual leader has captured the beautiful princess Nakururu. The reason behind this is he had a little problem with Hanzo Hattori, the best ninja and the love of Nakurur…