392. 判断子序列

Posted 2021-02-28 yuhong1103

 1 class Solution 
 2 {
 3 public:
 4     bool isSubsequence(string s, string t) 
 5     {
 6         int n = s.size();
 7         int i = 0;
 8         for(int j = 0;j < t.size();j ++)
 9         {
10             if(s[i] == t[j]) i++;
11         }
12         return i == n;
13     }
14 };