Task : Given a List [] of n integers , find minimum mumber to be inserted in a list, so that sum of all elements of list should equal the closest prime number . Notes List size is at least 2 . List's numbers will only positives (n > 0) . Repeatition…
找素数本来是很简单的问题,但当数据变大时,用朴素思想来找素数想必是会超时的,所以用素数筛法. 素数筛法 打表伪代码(用prime数组保存区间内的所有素数): void isPrime() vis[]数组清零://vis[]数组用于标记是否已被检验过 prime[]数组全赋初值false://prime[]数组从下标0开始记录素数 for i = 2 to MAXN (i++) if 数i未被检验过 prime[tot++]=i; for j = i*i to MAXN (j+=i) //j是i的…
Fox Ciel is participating in a party in Prime Kingdom. There are n foxes there (include Fox Ciel). The i-th fox is ai years old. They will have dinner around some round tables. You want to distribute foxes such that: Each fox is sitting at some table…