Use this code to find the position of an element inside the array.

search_element_in_array.cpp

#include<iostream>

int myIndex(int numbers[], int size, int element);

int main(){

    int numbers[] = {1,2,3,4,5,6,7,8,9,0};
    int size = sizeof(numbers)/sizeof(numbers[0]);
    int index;
    int element;

    std::cout << "Enter a number to search: \n";
    std::cin>>element;

    index = myIndex(numbers, size, element);

    if(index != -1){
    std::cout << element << " is present at the position of " << index << std::endl; 
    } else{
        std::cout << "Your element is not in the array. \n";
    }
    return 0;
}

int myIndex(int numbers[], int size, int element){
    for(int i = 0; i<size; i++){
        if(numbers[i]==element){
            return i;
        }}
        return -1;
}