Question

How to clear deque by popping elements in C++

Answer 1

#include <iostream> 
#include <deque> 

int main() 
{ 
    std::deque<double> dq = {3.14, 2.18, 4.19, 6.17, 8.27, 5.28}; 

    while(dq.size() > 0) {
        std::cout << "pop: " << dq.front() << "\n";
        dq.pop_front();
    }
    
    if (dq.empty()) {
        std::cout << "empty";
    }
}

      
      
      
/*
run:
      
pop: 3.14
pop: 2.18
pop: 4.19
pop: 6.17
pop: 8.27
pop: 5.28
empty
  
*/

 

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