Find Element In An Array
1.You are given a number n, representing the size of array a. 2.You are given n distinct numbers, representing elements of array a. 3. You are given another number d. 4. You are required to check if d number exists in the array a and at what index (0 based). If found print the index, otherwise print -1.
1 <= n <= 10^7 -10^9 <= n1, n2 .. n elements <= 10^9 -10^9 <= d <= 10^9
A number n n1 n2 .. n number of elements A number d
A number representing index at which d is found in array a and -1 if not found
6 15 30 40 4 11 9 40