Bob has a dictionary with N words in it. There are Moperators. Each operator is one of two kinds. 1. Add a string to the dictionary. It is guaranteed that the string s was not added before. 2. For the given string s find the number of occurrences of the strings from the dictionary. If some string p from the dictionary has several occurrences in s you should count all of them.
Bob has a dictionary with N words in it. There are M operators. Each operator is one of two kinds. 1. Add a string to the dictionary. It is guaranteed that the string s was not added before. 2. For the given string s find the number of occurrences of the strings from the dictionary. If some string p from the dictionary has several occurrences in s you should count all of them.
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标签： HBC14612string题解
