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  1. #include <string>
  2. #include <list>
  3. #include<iostream>
  4.  
  5. using namespace std;
  6.  
  7. int main(int argc, const char * argv[])
  8. {
  9.     list<int> l{1,2,3,4};
  10.     list<list<int>> ll;
  11.     ll.push_back(l);
  12.  
  13.     for(auto x:ll)
  14.       for(auto y:x)
  15.        std::cout<< y << " ";
  16.  
  17.     std::cout << "\nSize :" << ll.size();
  18.  
  19.     return 0;
  20. }
Success #stdin #stdout 0s 3472KB
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stdin
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Standard input is empty
stdout
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1 2 3 4 
Size :1
https://ideone.com/DYKDtZ
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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