Problem statement:- Program to remove an element from an array by index.
Example:-
Input : Given
size=5
arr[]=[4,5,7,3,9]
Position=2
/*Index[0]=4
Index[1]=5
Index[2]=7
Index[3]=3
Index[4]=9*/
Output:
arr[]= [4,5,3,9]
Data requirement:-
Input Data:- size, arr, pos
Output Data:-arr
Additional Data:- i
Program in C
Input Data:- size, arr, pos
Output Data:-arr
Additional Data:- i
Program in C
Here is the source code of the C Program to remove an element from an array by index.
Code:
#include<stdio.h>
main()
{
printf("Enter the size of the array:");
int size,i;
scanf("%d",&size);
int arr[size];
printf("Enter the Element of the array:\n");
for(i=0;i<size;i++)
{
scanf("%d",&arr[i]);
}
int pos;
printf("\nEnter the position of the Element:");
scanf("%d",&pos);
printf("\nBefore deleting array elements are:");
for(i=0;i<size;i++)
{
printf("%d ",arr[i]);
}
pos+=1;
for(i=pos-1;i<size-1;i++)
arr[i] = arr[i+1];
printf("\nAfter Deleting Array Element are:");
for(i=0;i<size-1;i++)
{
printf("%d ",arr[i]);
}
}
Enter the size of the array:5
Enter the Element of the array:
4 5 7 3 9
Enter the position of the Element:2
Before deleting array elements are:4 5 7 3 9
After Deleting Array Element are:4 5 3 9
Program in C++
Here is the source code of the C++ Program to remove an element from an array by index.
Code:
#include<iostream>
using namespace std;
main()
{
cout<<"Enter the size of the array:";
int size,i;
cin>>size;
int arr[size];
cout<<"Enter the Element of the array:\n";
for(i=0;i<size;i++)
{
cin>>arr[i];
}
int pos;
cout<<"\nEnter the position of the Element:";
cin>>pos;
cout<<"\nBefore deleting array elements are:";
for(i=0;i<size;i++)
{
cout<<arr[i]<<" ";
}
pos+=1;
for(i=pos-1;i<size-1;i++)
arr[i] = arr[i+1];
cout<<"\nAfter Deleting Array Element are:";
for(i=0;i<size-1;i++)
{
cout<<arr[i]<<" ";
}
}
Enter the size of the array:6
Enter the Element of the array:
4 3 9 7 5 10
Enter the position of the Element:3
Before deleting array elements are:4 3 9 7 5 10
After Deleting Array Element are:4 3 9 5 10
Program in Java
Here is the source code of the Java Program to remove an element from an array by index.
Code:
import java.util.Scanner;
public class DeleteElement {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
System.out.println("Enter the size of the array:");
int size,i;
size=sc.nextInt();
int arr[ ]=new int[size];
System.out.println("Enter the Element of the array:");
for(i=0;i<size;i++)
{
arr[i]=sc.nextInt();
}
int pos;
System.out.print("\nEnter the position of the Element:");
pos=sc.nextInt();
System.out.print("\nBefore deleting array elements are:");
for(i=0;i<size;i++)
{
System.out.print(arr[i]+" ");
}
pos+=1;
for(i=pos-1;i<size-1;i++)
arr[i] = arr[i+1];
System.out.print("\nAfter Deleting Array Element are:");
for(i=0;i<size-1;i++)
{
System.out.print(arr[i]+" ");
}
sc.close();
}
}
Enter the size of the array:
4
Enter the Element of the array:
3 12 14 15
Enter the position of the Element:3
Before deleting array elements are:3 12 14 15
After Deleting Array Element are:3 12 14
Program in Python
Here is the source code of the Python Program to remove an element from lists by index.
Code:
arr=[]
size = int(input("Enter the size of the array: "))
print("Enter the Element of the array:")
for i in range(0,size):
num = int(input())
arr.append(num)
pos=int(input("Enter the position of the Element:"))
print("Before deleting array elements are:")
for i in range(0,size):
print(arr[i],end=" ")
arr.pop(pos)
print("\nAfter Deleting Array Element are:")
print(arr)
Enter the size of the array: 4
Enter the Element of the array:
5
8
3
6
Enter the position of the Element:3
Before deleting array elements are:
5 8 3 6
After Deleting Array Element are:
[5, 8, 3]
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