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Added cycle sort in c++
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paarthibank committed Oct 19, 2020
1 parent c193780 commit 1c6cd94
Showing 1 changed file with 58 additions and 0 deletions.
58 changes: 58 additions & 0 deletions Cpp/CycleSort.cpp
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#include<iostream>
#include<stdio.h>
using namespace std;
void sort(int arr[], int n)
{
int writes = 0;
for (int cycle_start = 0; cycle_start < n - 1; cycle_start++) {
int item = arr[cycle_start];
int pos = cycle_start;
for (int i = cycle_start + 1; i < n; i++)
if (arr[i] < item)
pos++;
if (pos == cycle_start)
continue;
while (item == arr[pos])
pos += 1;

if (pos != cycle_start) {
swap(item, arr[pos]);
writes++;
}

while (pos != cycle_start) {
pos = cycle_start;

for (int i = cycle_start + 1; i < n; i++)
if (arr[i] < item)
pos += 1;

while (item == arr[pos])
pos += 1;

if (item != arr[pos]) {
swap(item, arr[pos]);
writes++;
}
}
}
}

int main()
{
int f;
cout<<"Enter length of array ";
cin>>f;
int arr[f];
cout<<"Enter array"<<endl;
for(int i=0;i<f;i++){
cin>>arr[i];
}
sort(arr, f);

cout << "Sorted array: " << endl;
for (int i = 0; i < f; i++)
cout << arr[i] << " ";
return 0;
}

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