Check If a Word Occurs As a Prefix of Any Word in a Sentence LeetCode solution in C++

1
class Solution {
2
 public:
3
  int isPrefixOfWord(string s, string sw) {
4
    stringstream ss(s);
5
    string temp;
6
    int i = 1;
7
    while (ss >> temp) {
8
      if (temp.compare(0, sw.size(), sw) == 0) return i;
9
      i++;
10
    }
11
    return -1;
12
  }
13
};