80 lines
1.7 KiB
C++
80 lines
1.7 KiB
C++
#include <iostream>
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#include <vector>
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#include <list>
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#include "functions.h"
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typedef std::list<float> FloatList;
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typedef FloatList::iterator FloatListIterator;
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int main() {
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// C array
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int numbers[5] = {1, 2, 3, 4, 5}; // stack array
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const int count = 10;
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// count *= 2;
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int numbers2[count];
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numbers2[0] = 10;
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int* numbers3 = new int[count]; // heap array
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delete[] numbers3;
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numbers3 = nullptr;
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// numbers[10] = 100;
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std::cout << "size of numbers: " << sizeof(numbers) << std::endl;
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printArrayAtPosition(numbers, 19);
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// vector
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std::vector<int> v = {1, 2, 3, 4, 5};
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v.push_back(10);
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v.push_back(20);
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v.push_back(30);
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v.pop_back();
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v[1] = 100;
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std::cout << "v: " << v.size() << "/" << v.capacity() << std::endl;
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v.push_back(40);
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std::cout << "v: " << v.size() << "/" << v.capacity() << std::endl;
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v.push_back(50);
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std::cout << "v: " << v.size() << "/" << v.capacity() << std::endl;
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v.push_back(60);
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std::cout << "v: " << v.size() << "/" << v.capacity() << std::endl;
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v.reserve(100);
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std::cout << "v: " << v.size() << "/" << v.capacity() << std::endl;
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printArrayAtPosition(v.data(), 1);
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// list
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std::list<int> l = {1, 2, 3, 4, 5};
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l.push_front(0);
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std::list<int>::iterator it;
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for (it = l.begin(); it != l.end(); ++it) {
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std::cout << *it << std::endl;
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}
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--it; --it;
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l.insert(it, 100);
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for (it = l.begin(); it != l.end(); ++it) {
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std::cout << *it << std::endl;
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}
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--it; --it;
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l.erase(it);
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for (it = l.begin(); it != l.end(); ++it) {
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std::cout << *it << std::endl;
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}
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return 0;
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} |