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Showing content from https://TheAlgorithms.github.io/C-Plus-Plus/d4/d9f/selection__sort__recursive_8cpp_source.html below:

TheAlgorithms/C++: sorting/selection_sort_recursive.cpp Source File

Go to the documentation of this file. 57

uint64_t current_position = 0) {

58 if

(current_position + 1 == in_arr.size()) {

59 return

current_position;

61

uint64_t answer =

findMinIndex

(in_arr, current_position + 1);

62 if

(in_arr[current_position] < in_arr[answer]) {

63

answer = current_position;

77

uint64_t current_position = 0) {

78 if

(current_position == in_arr.size()) {

81

uint64_t min_element_idx =

83 if

(min_element_idx != current_position) {

84

std::swap(in_arr[min_element_idx], in_arr[current_position]);

98

std::vector<uint64_t> array1 = {0, 1, 1, 2};

99

std::cout <<

"1st test... "

;

101

assert(std::is_sorted(std::begin(array1), std::end(array1)));

102

std::cout <<

"passed"

<< std::endl;

105

std::vector<uint64_t> array2 = {1, 0, 0, 1, 1, 0, 2, 1};

106

std::cout <<

"2nd test... "

;

108

assert(std::is_sorted(std::begin(array2), std::end(array2)));

109

std::cout <<

"passed"

<< std::endl;

112

std::vector<uint64_t> array3 = {1, 1, 0, 0, 1, 2, 2, 0, 2, 1};

113

std::cout <<

"3rd test... "

;

115

assert(std::is_sorted(std::begin(array3), std::end(array3)));

116

std::cout <<

"passed"

<< std::endl;

119

std::vector<uint64_t> array4 = {2, 2, 2, 0, 0, 1, 1};

120

std::cout <<

"4th test... "

;

122

assert(std::is_sorted(std::begin(array4), std::end(array4)));

123

std::cout <<

"passed"

<< std::endl;

Functions for the Selection sort implementation using recursion.

uint64_t findMinIndex(const std::vector< T > &in_arr, uint64_t current_position=0)

The main function finds the index of the minimum element.

static void test()

Self-test implementations.

void selectionSortRecursive(std::vector< T > &in_arr, uint64_t current_position=0)

The main function implements Selection sort.

int main()

Main function.


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