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Source Code
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#include <iostream>
#include <list>
class Car {
int num_;
std::string str_;
public:
Car(int no, std::string data) : num_(no), str_(data) {}
int getNum() { return num_; }
std::string getStr() { return str_; }
};
int main()
{
Car c1(73, "Benz");
std::list<Car> sll;
auto printList = [&]() {
for (Car sl: sll) {
std::cout << sl.getNum() << " = " << sl.getStr() << " -> ";
}
std::cout << std::endl;
};
/* Repeatedly want to insert the
same element. Eg: first parameter
2 represents, c1 will be
inserted twice. */
sll.assign(2, c1);
printList();
/* Insert a head element. */
Car c2(89, "Cooper");
auto it = sll.begin();
if (it != sll.end()) {
sll.insert(it, c2);
}
printList();
/* Insert an element in the beginning */
Car c3(81, "Audi");
sll.push_front(c3);
printList();
Car c4(90, "Range Rovers");
/* Insert in the middle somewhere by index */
auto it2 = sll.begin();
std::advance(it2, 1); // 1 is the index
if (it2 != sll.end()) {
sll.insert(it2, c4);
}
printList();
/* Insert an element at the end */
Car c5(88, "Tata");
sll.push_back(c5);
printList();
/* Remove the element from the end. */
sll.pop_back();
printList();
/* Remove the element from the front. */
sll.pop_front();
printList();
auto it3 = sll.begin();
std::advance(it3, 2); // 1 is the index
sll.erase(it3);
printList();
/* Remove range of elements
from it4 and before it5 */
auto it4 = sll.begin();
auto it5 = sll.begin();
std::advance(it5, 2);
sll.erase(it4, it5);
printList();
return 0;
}
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