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  1. #include <iostream>
  2. #include <vector>
  3. #include <string>
  4. using namespace std;
  5.  
  6. bool isSubstr(const std::string & s, size_t start, const std::string & pattern)
  7. {
  8.     for (auto i = 0; i < pattern.size(); i++)
  9.     {
  10.         if (s[start + i] != pattern[i])
  11.         {
  12.             return false;
  13.         }
  14.     }
  15.     return true;
  16. }
  17.  
  18. bool isSubstr(const std::string & word, const std::string & pattern)
  19. {
  20.     for (auto i = 0; i < word.size() - pattern.size() + 1; i++)
  21.     { 
  22.         if (isSubstr(word, i, pattern))
  23.         {
  24.             return true;
  25.         }
  26.     }
  27.     return false;
  28. }
  29.  
  30. int main() {
  31. 	string word="abc";
  32. 	vector<string> patterns {"a","abc","bc","d","ef"};
  33. 	for (auto &pattern : patterns)
  34. 		std::cout << pattern << " " << isSubstr(word, pattern) << "\n";
  35. 	return 0;
  36. }
Success #stdin #stdout 0.01s 5472KB
comments (?)
stdin
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Standard input is empty
stdout
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a 1
abc 1
bc 1
d 0
ef 0
https://ideone.com/wldveV
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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