problem
1078. Occurrences After Bigram
题意
solution:
class Solution { public: vector<string> findOcurrences(string text, string first, string second) { string bigram = first + ' ' + second + ' '; vector<string> res; int n = bigram.size(); auto p = text.find(bigram); while(p != string::npos) { auto p1 = p+n, p2 = p1; while(p2<text.size() && text[p2]!=' ') p2++; res.push_back(text.substr(p1, p2-p1));//err... p = text.find(bigram, p+1); } return res; } };
参考
1. Leetcode_easy_1078. Occurrences After Bigram;
2. string_find;
3. discuss;
4. string_substr;
完