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2378:Cutting Banknotes

题目描述
Philip is often faced with a big problem: after going out for dinner or having a few beers, he owes money to his friends or the other way around. These are often small amounts, but because Philip hates coins, his wallet contains only banknotes. Therefore he usually can't pay the amount exactly. Since he hates coins, he also doesn’t allow his friends to return them as change. He does allow for banknotes as change though.

To accomodate for this problem, he and his friends came up with the following idea: let's pay with pieces of banknotes. To make the cutting easy, they only cut banknotes in two equally-sized pieces, cut those pieces in two pieces, and so on. This yields a much larger range of amounts that can be paid. Philip wonders which ones exactly.

输入解释
On the first line an integer t (1 <= t <= 100): the number of test cases. Then for each test case:

One line with a number x (0.01 <= x <= 10 000.00): the amount Philip has to pay.

This is formatted with two decimal digits and a period as decimal separator.

One line with a positive integer n (1 <= n <= 1 000): the number of different banknotes.

n lines, each with an integer bi (1 <= bi <= 10 000): the values of the banknotes.

输出解释
For each test case:

One line with "yes" if the amount can be paid exactly and "no" otherwise.

输入样例
4
10.75
3
2
10
20
0.33
1
1
10000.00
1
2500
1.00
2
3
5
输出样例
yes
no
yes
yes
来自杭电HDUOJ的附加信息
Recommend lcy

该题目是Virtual Judge题目,来自 杭电HDUOJ

题目来源 bapc2007

源链接: HDU-2378

最后修改于 2020-10-25T22:52:56+00:00 由爬虫自动更新

共提交 0

通过率 --%
时间上限 内存上限
1000/1000MS(Java/Others) 32768/32768K(Java/Others)