Let's say a positive integer is a superpalindrome if it is a palindrome, and it is also the square of a palindrome. Now, given two positive integers L and R (represented as strings), return the number of superpalindromes in the inclusive range [L, R]…
P2890 [USACO07OPEN]便宜的回文Cheapest Palindrome 时空限制 1000ms / 128MB 题目描述 Keeping track of all the cows can be a tricky task so Farmer John has installed a system to automate it. He has installed on each cow an electronic ID tag that the system will read…