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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. class Solution {
  5. public:
  6.     vector<string> words;
  7.  
  8.     Solution(vector<string>& words) : words(words) {
  9.     }
  10.  
  11.     int f(const string &prefix, const string &suffix) {
  12.         int idx = -1;
  13.         for (int i = 0; i < words.size(); i++) {
  14.             if (words[i].substr(0, prefix.size()) == prefix && words[i].substr(words[i].size() - suffix.size()) == suffix) {
  15.                 idx = i;
  16.             }
  17.         }
  18.         return idx;
  19.     }
  20. };
  21.  
  22.  
  23. int main() {
  24.  
  25.  
  26.     vector<string> v = {"aae", "apple", "banana"};
  27.     Solution solution(v);
  28.  
  29.     vector<pair<string, string>> queries = {{"a", "e"}, {"a", "x"}, {"a", "ae"}};
  30.  
  31.     for (const auto& p : queries) {
  32.         int result = solution.f(p.first, p.second);
  33.         cout << result << endl;
  34.     }
  35.  
  36.     return 0;
  37. }
  38.  
Success #stdin #stdout 0s 5292KB
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https://ideone.com/CdynsF
language:
C++ (gcc 8.3)
created:
9 days ago
visibility:
public

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