#include <iostream>

#include <string>

#include <vector>

#include <list>

#include <algorithm>

#define print(x) std::cout << x << std::endl

int main()

{

// create an empty vector initialized with 0.

std::vector<int> vec1(5);

for (int x: vec1){

print("vec1: " << x);

}

// create another vector inherit from the existing vector.

std::vector<int> vec2(vec1);

print(vec2[4]);

print("");

// create a list and put it into a new vector.

std::list<std::string> listArr;

listArr.push_back("1st");

listArr.push_back("2nd");

listArr.push_back("3rd");

listArr.push_back("4th");

std::vector<std::string> vec3(listArr.begin(), listArr.end());

for (int i = 0; i < vec3.size(); i++){

print("operator : " << vec3.operator[](i));

}

print("");

std::vector<double> vecDouble = {98.5, 67.9, 43.6, 32.9};

vecDouble.push_back(100.8);

for (int i = 0; i < vecDouble.size(); i++){

print("vecDouble[" << i << "] : " << vecDouble[i]);

}

print("");

// vecDouble.erase(vecDouble.begin());

std::remove(vecDouble.begin(), vecDouble.end(), vecDouble[0]);

for (int i = 0; i < vecDouble.size(); i++){

print("vecDouble[" << i << "] : " << vecDouble[i]);

}

print("");

// use the sort function which is defined in <algorithm>

sort(vecDouble.begin(), vecDouble.end());

reverse(vecDouble.begin(), vecDouble.end());

// general method to iterate through all values in a vector.

std::vector<double>::iterator it;

for (it = vecDouble.begin(); it != vecDouble.end(); ++it){

print(&it << " : " << *it);

print(&it << " : " << *(it+1));

}

print("");

// resize the length of a vector

vecDouble.resize(10);

print("size of vecDouble : " << vecDouble.size());

print("max size of vecDouble : " << vecDouble.max_size());

print("");

double arrs[3][2][4];

print(arrs[0][0][0]);

print("");

std::vector<int> vvv = {1, 2, 3, 4, 5};

std::vector<int> vee = {11, 12, 13, 14};

vvv.assign(vee.begin(), vee.end());

for (int v: vvv) {

print(v);

}

print("");

static float fff[3 * 3 * 1];

for (int i = 0; i < sizeof(fff) / 4; i++) {

fff[i] = i + 1;

}

fff[6] = 99;

std::vector<float> vf(fff, fff + 1 * 3 * 4);

for (float f: vf) {

print(f);

}

std::vector<std::vector<std::vector<float>>> areaList(20);

print(areaList.size());

print(areaList[0].size());

return 0;

}