Input
Output
#include <iostream> #include<deque> using namespace std; int main() { deque<int> first={5,4,3,2,1}; deque<int> second; deque<int>::iterator it=second.begin(); second.assign(first.begin(),first.end()); it=second.begin(); while(it!=second.end()) { cout <<*it<<" "; ++it; } return 0; }