#479

Largest Palindrome Product

hard · verified · 38.2% accepted · 193 likes · top 17%

math · enumeration

Description

Given an integer n, return the largest palindromic integer that can be represented as the product of two n-digits integers. Since the answer can be very large, return it modulo 1337.

Example 1:

Input: n = 2
Output: 987
Explanation: 99 x 91 = 9009, 9009 % 1337 = 987

Example 2:

Input: n = 1
Output: 9

Solution