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  1. #include <iostream>
  2. #include <vector>
  3. #include <cstdlib>
  4. #include <ctime>
  5.  
  6. using namespace std;
  7.  
  8. template<typename T>
  9. T getRandomItem(vector<T>& items){
  10.     if(items.size() == 0) return T();
  11.     srand(time(NULL));
  12.     int i = rand()%items.size()+0;
  13.     return items.at(i);
  14. }
  15.  
  16. int main() {
  17.     vector<string> v;
  18.     v.push_back("foo");
  19.     v.push_back("bar");
  20.     string item = getRandomItem(v);
  21.     std::cout << item;
  22.     return 0;
  23. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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bar
https://ideone.com/UE7G4j
language:
C++ (gcc 8.3)
created:
8 years ago
visibility:
public

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