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第十篇英语翻译

作者:互联网

重点单词:

volume  n.体积, 容积, 总数,;

tap n.水龙头, 阀门 v.轻拍, 轻敲,;

出处:https://acs.jxnu.edu.cn/problem/NOIOPJCH02052152/editor

Pots

描述:

You are given two pots, having the volume of A and B liters respectively. The following operations can be performed:

  1. FILL(i)        fill the pot i (1 ≤ i ≤ 2) from the tap;
  2. DROP(i)      empty the pot i to the drain;
  3. POUR(i,j)    pour from pot i to pot j; after this operation either the pot j is full (and there may be some water left in the pot i), or the pot i is empty (and all its contents have been moved to the pot j).

Write a program to find the shortest possible sequence of these operations that will yield exactly C liters of water in one of the pots.

给你两个罐子,容量分别为A和B升。可以执行以下操作:

1.FILL(i)  装满罐子(≤ i≤ 2) 从水龙头;

2.DROP(i)   把罐子i的水倒进下水道;

3.POUR(i,j)       将水从罐i倒到罐j;此操作后,要么罐j已满(罐i中可能还有一些水),要么罐i已空(其所有内容物已移至罐j)。

编写一个程序,找出这些操作的最短可能顺序,在其中一个罐中正好产生C升水。

 

输入:

On the first and only line are the numbers A, B, and C. These are all integers in the range from 1 to 100 and C≤max(A,B).

第一行也是唯一一行是数字A、B和C。这些都是1到100和C之间的整数≤max(A,B)。

输出:

The first line of the output must contain the length of the sequence of operations K. The following K lines must each describe one operation. If there are several sequences of minimal length, output any one of them. If the desired result can’t be achieved, the first and only line of the file must contain the word ‘impossible’.

输出的第一行必须包含操作序列K的长度。以下K行必须分别描述一个操作。如果有多个最小长度的序列,则输出其中任何一个。如果无法达到预期的结果,文件的第一行也是唯一一行必须包含单词“不可能”。

样例输入:

3 5 4

样例输出:

6
FILL(2)
POUR(2,1)
DROP(1)
POUR(2,1)
FILL(2)
POUR(2,1)

标签:operations,DROP,pot,第十篇,POUR,英语翻译,first,FILL
来源: https://www.cnblogs.com/cilinmengye/p/15847870.html