sort work
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27534a8198
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@ -1,5 +1,6 @@
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#pragma once
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#pragma once
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#include <algorithm>
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#include <cstddef>
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#include <cstddef>
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#include <iostream>
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#include <iostream>
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#include <utility>
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#include <utility>
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@ -13,10 +14,11 @@ std::pair<int, int>* create_pairs(const T& array, size_t len)
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{
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{
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std::pair<int, int>* pairs = new std::pair<int, int>[len];
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std::pair<int, int>* pairs = new std::pair<int, int>[len];
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for (size_t i = 0; i != len; i++)
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for (size_t i = 0; i < len; i++)
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{
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{
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pairs[i].second = array[i * 2];
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pairs[i].second = array[i * 2];
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pairs[i].first = array[i * 2 + 1];
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if (array.size() > i * 2 + 1)
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pairs[i].first = array[i * 2 + 1];
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}
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}
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if (len % 2)
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if (len % 2)
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pairs[len - 1].first = pairs[len - 1].second;
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pairs[len - 1].first = pairs[len - 1].second;
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@ -24,16 +26,40 @@ std::pair<int, int>* create_pairs(const T& array, size_t len)
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}
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}
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template <typename T>
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template <typename T>
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void binary_search(std::pair<int, int>* pairs, size_t len, T& array)
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size_t binary_search(const T& array, size_t start, size_t end, int value) {
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{
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if (array[end] < value)
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(void) pairs;
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return end;
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(void) array;
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std::vector<int> bozo;
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while (true)
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for (size_t i = 0; i < len; i++)
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{
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{
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int mid = start + ((end - start) / 2);
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int min_value = array[mid];
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if (min_value == value || end - start <= 1)
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{
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if (min_value < value)
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return mid + 1;
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return mid;
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}
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else if (min_value < value)
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start = mid;
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else if (min_value > value)
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end = mid;
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}
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}
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}
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}
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template <typename T>
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void insert_sort(const std::pair<int, int>* pairs, size_t len, T& array)
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{
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for (size_t i = 1; i < len; i++)
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{
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array.push_back(pairs[i].first);
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if (pairs[i].first == pairs[i].second)
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continue;
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ssize_t index = binary_search(array, 0, array.size() - 1, pairs[i].second);
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array.insert(array.begin() + index, pairs[i].second);
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}
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}
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template <typename T>
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template <typename T>
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void PmergeMe(T& array)
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void PmergeMe(T& array)
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@ -42,7 +68,10 @@ void PmergeMe(T& array)
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std::pair<int, int>* pairs = create_pairs(array, len);
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std::pair<int, int>* pairs = create_pairs(array, len);
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sort_pair(pairs, len);
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sort_pair(pairs, len);
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sort_pairs(pairs, len);
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sort_pairs(pairs, len);
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std::cout << pairs;
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array.clear();
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array.clear();
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binary_search(pairs, len, array);
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array.push_back(pairs[0].second);
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if (pairs[0].second != pairs[0].first)
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array.push_back(pairs[0].first);
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insert_sort(pairs, len, array);
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delete[] pairs;
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}
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}
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@ -1,4 +1,5 @@
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#include "PmergeMe.hpp"
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#include "PmergeMe.hpp"
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#include <cstddef>
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#include <cstdlib>
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#include <cstdlib>
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#include <iostream>
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#include <iostream>
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#include <vector>
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#include <vector>
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@ -15,10 +16,9 @@ int main(int ac, char** av)
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std::cout << std::endl;
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std::cout << std::endl;
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PmergeMe(input);
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PmergeMe(input);
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std::cout << "After: ";
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std::cout << "After: ";
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for (int i = 1; i != ac; i++)
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for (size_t i = 0; i != input.size(); i++)
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{
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{
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input[i - 1] = atoi(av[i]);
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std::cout << input[i] << " ";
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std::cout << av[i] << " ";
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}
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}
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std::cout << std::endl;
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std::cout << std::endl;
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}
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}
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