Third last digit in 5 ^ N for given N | Java implementation of the above approach ; Function to find the element ; if n < 3 ; If n is even return 6 If n is odd return 1 ; Driver code
class GFG { static int findThirdDigit ( int n ) { if ( n < 3 ) return 0 ; return ( n & 1 ) > 0 ? 1 : 6 ; } public static void main ( String args [ ] ) { int n = 7 ; System . out . println ( findThirdDigit ( n ) ) ; } }