"selection sort algorithm" Code Answer's

selection sort

By Glamorous Gibbon on Jan 16, 2021

#include <bits/stdc++.h>

using namespace std; 

void selectionSort(int arr[], int n){
    int i,j,min;
    
    for(i=0;i<n-1;i++){
        min = i;
        for(j=i+1;j<n;j++){
            if(arr[j] < arr[min]){
                min = j;
            }
        }
        if(min != i){
            swap(arr[i],arr[min]);
        }
    }
}

int main()  
{  
    int arr[] = { 1,4,2,5,333,3,5,7777,4,4,3,22,1,4,3,666,4,6,8,999,4,3,5,32 };  
    int n = sizeof(arr) / sizeof(arr[0]);  

    selectionSort(arr, n);  

    for(int i = 0; i < n; i++){
        cout << arr[i] << " ";
    }

    return 0;  
}  

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selection sort

By Cautious Cod on Jun 11, 2021

//I Love Java
import java.util.*;
import java.io.*;
import java.util.stream.*;
import static java.util.Collections.*;
import static java.util.stream.Collectors.*;

public class Selection_Sort_P {
    public static void main(String[] args) throws IOException {
        BufferedReader buffer = new BufferedReader(new InputStreamReader(System.in));
        List<Integer> arr = Stream.of(buffer.readLine().replaceAll(("\\s+$"), "").split(" ")).map(Integer::parseInt)
                .collect(toList());

        int high = arr.size();
        selection_sort(arr, high);

        System.out.println(arr);
    }

    public static void swap(List<Integer> arr, int i, int j) {
        int temp = arr.get(i);
        arr.set(i, arr.get(j));
        arr.set(j, temp);
    }

    public static void selection_sort(List<Integer> arr, int high) {
        for (int i = 0; i <= high - 1; i++) {
            steps(arr, i, high);
        }
    }

    public static void steps(List<Integer> arr, int start, int high) {
        for (int i = start; i <= high - 1; i++) {
            if (arr.get(i) < arr.get(start)) {
                swap(arr, start, i);
            }
        }
    }
}

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selection sort

By iiztp on Jan 05, 2021

// C algorithm for SelectionSort

void selectionSort(int arr[], int n)
{
	for(int i = 0; i < n-1; i++)
	{
		int min = i;
        
		for(int j = i+1; j < n; j++)
		{
			if(arr[j] < arr[min])
            	min = j;
		}
        
		if(min != i)
		{
        	// Swap
			int temp = arr[i];
			arr[i] = arr[min];
			arr[min] = temp;
		}
	}
}

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Selection Sort

By Itchy Impala on May 31, 2021

class Sort 
{ 
    void selectionSort(int arr[]) 
    { 
        int pos;
        int temp;
        for (int i = 0; i < arr.length; i++) 
        { 
            pos = i; 
            for (int j = i+1; j < arr.length; j++) 
           {
                if (arr[j] < arr[pos])                  //find the index of the minimum element
                {
                    pos = j;
                }
            }

            temp = arr[pos];            //swap the current element with the minimum element
            arr[pos] = arr[i]; 
            arr[i] = temp; 
        } 
    } 
  
    void display(int arr[])                     //display the array
    { 
        for (int i=0; i<arr.length; i++) 
        {
            System.out.print(arr[i]+" ");
        }  
    } 
  
    public static void main(String args[]) 
    { 
        Sort ob = new Sort(); 
        int arr[] = {64,25,12,22,11}; 
        ob.selectionSort(arr); 
        ob.display(arr); 
    } 
} 

Source: favtutor.com

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selection sort

By ujjwal sotra on May 25, 2021

//selection sort; timecomplexity=O(n^2);space complexity=O(n);auxiliary space complexity=O(1)
#include <iostream>

using namespace std;
void swap(int*,int*);
void selection_sort(int arr[],int n)
{
    for(int i=0;i<n-1;i++)
    {
        for(int j=i+1;j<n;j++)
        {
            if(arr[i]>arr[j])
            {
                swap(&arr[i],&arr[j]);
            }
        }
    }
}
void display(int arr[],int n)
{
    for(int i=0;i<n;i++)
    {
        cout<<arr[i]<<" ";
    }
    cout<<endl;
}

int main()
{
    int n;
    cout<<"enter the size of the array:"<<endl;
    cin>>n;
    int array_of_numbers[n];
    cout<<"enter the elements of the array:"<<endl;
    for(int i=0;i<n;i++)
    {
        cin>>array_of_numbers[i];
    }
    cout<<"array as it was entered"<<endl;
    display(array_of_numbers,n);
    cout<<"array after sorting:"<<endl;
    selection_sort(array_of_numbers,n);
    display(array_of_numbers,n);
    return 0;
}
void swap(int *a,int *b)
{
    int temp=*a;
    *a=*b;
    *b=temp;
}

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selection sort

By Ranger on Sep 30, 2020

def ssort(lst):
    for i in range(len(lst)):
        for j in range(i+1,len(lst)):
            if lst[i]>lst[j]:lst[j],lst[i]=lst[i],lst[j]
    return lst
if __name__=='__main__':
    lst=[int(i) for i in input('Enter the Numbers: ').split()]
    print(ssort(lst))

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