From eb000343fb26eaa02899301904a3856e20720d2a Mon Sep 17 00:00:00 2001 From: Prakhar Bhatnagar <92019275+prakharbhatnagar20@users.noreply.github.com> Date: Sat, 21 Oct 2023 12:47:48 +0530 Subject: [PATCH 1/2] Create CycleSort --- Programs in different languages/CycleSort | 79 +++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Programs in different languages/CycleSort diff --git a/Programs in different languages/CycleSort b/Programs in different languages/CycleSort new file mode 100644 index 00000000..8b7dbe58 --- /dev/null +++ b/Programs in different languages/CycleSort @@ -0,0 +1,79 @@ +// Java program to implement cycle sort + +import java.util.*; +import java.lang.*; + +class GFG { + // Function sort the array using Cycle sort + public static void cycleSort(int arr[], int n) + { + // count number of memory writes + int writes = 0; + + // traverse array elements and put it to on + // the right place + for (int cycle_start = 0; cycle_start <= n - 2; cycle_start++) { + // initialize item as starting point + int item = arr[cycle_start]; + + // Find position where we put the item. We basically + // count all smaller elements on right side of item. + int pos = cycle_start; + for (int i = cycle_start + 1; i < n; i++) + if (arr[i] < item) + pos++; + + // If item is already in correct position + if (pos == cycle_start) + continue; + + // ignore all duplicate elements + while (item == arr[pos]) + pos += 1; + + // put the item to it's right position + if (pos != cycle_start) { + int temp = item; + item = arr[pos]; + arr[pos] = temp; + writes++; + } + + // Rotate rest of the cycle + while (pos != cycle_start) { + pos = cycle_start; + + // Find position where we put the element + for (int i = cycle_start + 1; i < n; i++) + if (arr[i] < item) + pos += 1; + + // ignore all duplicate elements + while (item == arr[pos]) + pos += 1; + + // put the item to it's right position + if (item != arr[pos]) { + int temp = item; + item = arr[pos]; + arr[pos] = temp; + writes++; + } + } + } + } + + // Driver program to test above function + public static void main(String[] args) + { + int arr[] = { 1, 8, 3, 9, 10, 10, 2, 4 }; + int n = arr.length; + cycleSort(arr, n); + + System.out.println("After sort : "); + for (int i = 0; i < n; i++) + System.out.print(arr[i] + " "); + } +} + +// Code Contributed by Mohit Gupta_OMG <(0_o)> From 6a77c9985541b3af73698e6e33773f27e77a058a Mon Sep 17 00:00:00 2001 From: Prakhar Bhatnagar <92019275+prakharbhatnagar20@users.noreply.github.com> Date: Sat, 21 Oct 2023 12:54:21 +0530 Subject: [PATCH 2/2] Create Cycle_sort_java --- Cycle_sort_java | 79 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Cycle_sort_java diff --git a/Cycle_sort_java b/Cycle_sort_java new file mode 100644 index 00000000..8b7dbe58 --- /dev/null +++ b/Cycle_sort_java @@ -0,0 +1,79 @@ +// Java program to implement cycle sort + +import java.util.*; +import java.lang.*; + +class GFG { + // Function sort the array using Cycle sort + public static void cycleSort(int arr[], int n) + { + // count number of memory writes + int writes = 0; + + // traverse array elements and put it to on + // the right place + for (int cycle_start = 0; cycle_start <= n - 2; cycle_start++) { + // initialize item as starting point + int item = arr[cycle_start]; + + // Find position where we put the item. We basically + // count all smaller elements on right side of item. + int pos = cycle_start; + for (int i = cycle_start + 1; i < n; i++) + if (arr[i] < item) + pos++; + + // If item is already in correct position + if (pos == cycle_start) + continue; + + // ignore all duplicate elements + while (item == arr[pos]) + pos += 1; + + // put the item to it's right position + if (pos != cycle_start) { + int temp = item; + item = arr[pos]; + arr[pos] = temp; + writes++; + } + + // Rotate rest of the cycle + while (pos != cycle_start) { + pos = cycle_start; + + // Find position where we put the element + for (int i = cycle_start + 1; i < n; i++) + if (arr[i] < item) + pos += 1; + + // ignore all duplicate elements + while (item == arr[pos]) + pos += 1; + + // put the item to it's right position + if (item != arr[pos]) { + int temp = item; + item = arr[pos]; + arr[pos] = temp; + writes++; + } + } + } + } + + // Driver program to test above function + public static void main(String[] args) + { + int arr[] = { 1, 8, 3, 9, 10, 10, 2, 4 }; + int n = arr.length; + cycleSort(arr, n); + + System.out.println("After sort : "); + for (int i = 0; i < n; i++) + System.out.print(arr[i] + " "); + } +} + +// Code Contributed by Mohit Gupta_OMG <(0_o)>