Question

How to modify element in deque with C++

Answer 1

#include <iostream> 
#include <deque> 

int main() 
{ 
    std::deque<double> dq; 

    dq.push_front(3.14); 
    dq.push_front(2.18); 
    
    dq.push_back(4.19); 
    
    dq.push_front(6.17); 

    dq[0] = 8.27; 
    
    for (unsigned int i = 0; i < dq.size(); i++) 
        std::cout << dq[i] << ' '; 
}

      
      
      
/*
run:
      
8.27 2.18 3.14 4.19 
  
*/

 

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