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5972:Regular Number

题目描述
Using regular expression to define a numeric string is a very common thing. Generally, use the shape as follows:
(0|9|7) (5|6) (2) (4|5)
Above regular expression matches 4 digits:The first is one of 0,9 and 7. The second is one of 5 and 6. The third is 2. And the fourth is one of 4 and 5. The above regular expression can be successfully matched to 0525, but it cannot be matched to 9634.
Now,giving you a regular expression like the above formula,and a long string of numbers,please find out all the substrings of this long string that can be matched to the regular expression.
输入解释
It contains a set of test data.The first line is a positive integer N (1 ≤ N ≤ 1000),on behalf of the regular representation of the N bit string.In the next N lines,the first integer of the i-th line is $a_i(1 ≤a_i≤ 10)$,representing that the i-th position of regular expression has $a_i$ numbers to be selected.Next there are $a_i$ numeric characters. In the last line,there is a numeric string.The length of the string is not more than 5 * 10^6.
输出解释
Output all substrings that can be matched by the regular expression. Each substring occupies one line
输入样例
4
3 0 9 7
2 5 7
2 2 5
2 4 5
09755420524
输出样例
9755
7554
0524
来自杭电HDUOJ的附加信息
Recommend wange2014

该题目是Virtual Judge题目,来自 杭电HDUOJ

源链接: HDU-5972

最后修改于 2020-10-25T23:27:11+00:00 由爬虫自动更新

共提交 0

通过率 --%
时间上限 内存上限
2000/1000MS(Java/Others) 65536/65536K(Java/Others)