#include <iostream>

#include <vector>

#include <list>

#include <string>

#include <forward_list>

#include <array>

#include<stack>

#define pie 3.14

using namespace std;

int main(){

list<string> lstr = {"we","are","not","the","one"};

lstr.assign(10,"hey!");

forward_list<string> words(lstr.begin(),lstr.end());

auto pre = words.before_begin();

array<int,10> ia1 = {1,2,3,4,5,6,7,8,9,9};

list<string> names;

vector<const char*> oldstyle = {"i","am","not","a","man"};

list<const char*> lst(10,"ccc");

names.assign(oldstyle.cbegin(),oldstyle.cend());

// for(auto iter = lst.begin();iter!=lst.end(); ++iter){

// cout << *iter <<endl;

// }

list<string>::iterator iter;

vector<int>::difference_type count;

const char *cp = "hello,Trans!";

char noNull[] = {'H','i'};

string s1(cp);

string s2(noNull,2);

string s3 = s1.substr(0,3);

cout << s3 <<endl;

s1.insert(6,"Mr.");

s1.erase(0);

cout << s1 << endl;

string numbers("01234567"),name("r2d2");

auto pos = name.find_first_of(numbers);

int i = 42;

string s = to_string(i);

// double d = stod(s1);

//cout << d << endl;

stack<string> sta;

sta.push("we");

sta.push("are");

cout << sta.top() << endl;

return 0;

}