Read the following instructions carefully Run the following code and explain how
ID: 3923702 • Letter: R
Question
Read the following instructions carefully
Run the following code and explain how it works. Append your run results to your answer.
//deque Demo
#include <iostream>
#include <list>
#include <algorithm>
#include <deque>
#include <string>
using namespace std;
template<class T>
void printDeque(const deque<T>& lst, string s) {
cout << s << ": ";
typename deque<T>::const_iterator i = lst.begin();
for ( ; i != lst.end(); i++)
cout << *i << ' ';
cout << endl;
}
int main() {
deque<int> dq1;
dq1.push_front(1);
dq1.push_front(2);
dq1.push_back(3);
dq1.push_back(4);
printDeque(dq1,"dq1");
deque<int> dq2(dq1.begin()+1,dq1.end()-1);
dq1[1] = 5;
dq1.erase(dq1.begin());
dq1.insert(dq1.end()-1,2,6);
sort(dq1.begin(),dq1.end());
deque<int> dq3;
dq3.resize(dq1.size()+dq2.size());
merge(dq1.begin(),dq1.end(),dq2.begin(),dq2.end(),dq3.begin());
printDeque(dq1,"dq1");
printDeque(dq2,"dq2");
printDeque(dq3,"dq3");
return 0;
}
Explanation / Answer
run results:
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