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  1. #include <iostream>
  2.  
  3. #include <vector>
  4.  
  5. #include <string>
  6.  
  7. #include <algorithm>
  8.  
  9.  
  10.  
  11.  
  12.  
  13. int main()
  14.  
  15. {
  16.  
  17.     std::vector<std::vector<std::string>> vstring
  18.  
  19.         {
  20.  
  21.             { "no",   "yes"   },
  22.  
  23.             { "help", "yes"   },
  24.  
  25.             { "true", "false" }
  26.  
  27.         };
  28.  
  29.  
  30.  
  31.     const std::string myStr = "help";
  32.  
  33.     auto f = std::find_if(vstring.begin(), vstring.end(),
  34.  
  35.                 [&](std::vector<std::string>const & vs)
  36.  
  37.                 {
  38.  
  39.                     return !vs.empty() && myStr == vs[0];
  40.  
  41.                 });
  42.  
  43.  
  44.  
  45.     if (f != vstring.end())
  46.  
  47.     {
  48.  
  49.         for (auto& s: *f)
  50.  
  51.         {
  52.  
  53.             std::cout << s << "\n";
  54.  
  55.         }
  56.  
  57.     }
  58.  
  59. }
  60.  
  61.  
Success #stdin #stdout 0s 3032KB
comments (?)
stdin
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Standard input is empty
stdout
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help
yes
https://ideone.com/nkI7fk
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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