AtCoder Regular Contest 166
B
Make Multiples
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原题
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Problem Statement

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You are given an integer sequence $A=(A_1,\ldots,A_N)$ and positive integers $a$, $b$, and $c$.

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You can perform the following operation on this sequence any number of times, possibly zero.

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  • Choose an integer $i$ such that $1\leq i\leq N$. Replace $A_i$ with $A_i+1$.
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Your objective is to make the sequence $A$ contain at least one multiple of $a$, at least one multiple of $b$, and at least one multiple of $c$. Find the minimum number of operations required to achieve this objective.

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Constraints

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  • $1\leq N\leq 2\times 10^5$
  • $1\leq a, b, c \leq 10^6$
  • $1\leq A_i\leq 10^{18}$
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Input

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The input is given from Standard Input in the following format:

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N a b c
A_1 \cdots A_N

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Output

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Print the minimum number of operations required to achieve the objective.

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样例

Input #1
3 3 4 5
8 9 11
Output #1
2
You can perform the operation twice so that $A = (8,10,12)$ to achieve the objective.
Input #2
3 3 4 5
14 11 59
Output #2
1
You can perform the operation once so that $A = (14,11,60)$ to achieve the objective.
Input #3
6 10 20 30
8 17 5 28 39 13
Output #3
3
You can perform the operation three times so that $A = (8,17,5,30,40,13)$ to achieve the objective.
Input #4
1 999997 999998 999999
123456789123456789
Output #4
876537210887543205
You can perform the operation $876537210887543205$ times so that $A = (999994000010999994)$ to achieve the objective.
题目信息
题号
arc166_b
时间限制
2 s
内存限制
1024 MB

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