#include<iostream>

using namespace std;

const int size = 4;

int linearSearch(char[], char&, int);

int main()
{
    char name[] = { 'J', 'u', 'a', 'n' };
    char letter;

    for (int i = 0; i < size; i++)
    {
        cout << name[i] << " ";

    }cout << endl;

    cout << "Find a letter of the name :"; cin >> letter;

    int x=linearSearch(name, letter, size);

    if (x == -1)
    {
        cout << "Not found !" << endl;
    }else
    {
        cout << "Letter found!" << endl;

        cout << "Letter :" << letter << endl;
        cout << "Position :" << x << endl;
    }

    return 0;
}
int linearSearch(char list[], char& letter, int size)
{
    int posi;

    for (int i = 0; i < size; i++)
    {
        if (list[i] == letter)
        {
            return posi = i;
        }
    }
    return posi = -1;
}