How do I delete an element from an array in C++?
In C++, you can't directly delete an element from a static array. You can create a new array without the element you want to delete.
Can you show me an example of how to do that?
Sure! Here's a simple example:
#include <iostream>
using namespace std;
void deleteElement(int arr[], int &size, int element) {
int i;
for (i = 0; i < size; i++) {
if (arr[i] == element) {
break;
}
}
if (i < size) {
for (int j = i; j < size - 1; j++) {
arr[j] = arr[j + 1];
}
size--;
}
}
int main() {
int arr[] = {1, 2, 3, 4, 5};
int size = 5;
deleteElement(arr, size, 3);
for (int i = 0; i < size; i++) {
cout << arr[i] << " ";
}
return 0;
}
What if I want to delete multiple elements?
You can modify the function to loop through the array and delete multiple elements by calling the delete function for each element you want to remove.
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