how to delete something in an array c++
// C++ program to remove a given element from an array
#include<bits/stdc++.h>
using namespace std;
// This function removes an element x from arr[] and
// returns new size after removal (size is reduced only
// when x is present in arr[]
int deleteElement(int arr[], int n, int x)
{
// Search x in array
int i;
for (i=0; i<n; i++)
if (arr[i] == x)
break;
// If x found in array
if (i < n)
{
// reduce size of array and move all
// elements on space ahead
n = n - 1;
for (int j=i; j<n; j++)
arr[j] = arr[j+1];
}
return n;
}
/* Driver program to test above function */
int main()
{
int arr[] = {11, 15, 6, 8, 9, 10};
int n = sizeof(arr)/sizeof(arr[0]);
int x = 6;
// Delete x from arr[]
n = deleteElement(arr, n, x);
cout << "Modified array is \n";
for (int i=0; i<n; i++)
cout << arr[i] << " ";
return 0;
}
