866. Prime Palindrome(回文素数) 题目: 求出大于或等于 N 的最小回文素数. 回顾一下,如果一个数大于 1,且其因数只有 1 和它自身,那么这个数是素数. 例如,2,3,5,7,11 以及 13 是素数. 回顾一下,如果一个数从左往右读与从右往左读是一样的,那么这个数是回文数. 例如,12321 是回文数. 思路: 思路还是挺清晰的,从给入数字向上检索,如果既是回文数,又是素数,就直接输出,如果不满足条件,那么就增加数字,继续判断. 这里有一个小问题,就是所有偶数位的回文…

Find the smallest prime palindrome greater than or equal to N. Recall that a number is prime if it's only divisors are 1 and itself, and it is greater than 1. For example, 2,3,5,7,11 and 13 are primes. Recall that a number is a palindrome if it reads…

Find the smallest prime palindrome greater than or equal to N. Recall that a number is prime if it's only divisors are 1 and itself, and it is greater than 1.  For example, 2,3,5,7,11 and 13 are primes. Recall that a number is a palindrome if it read…

Find the smallest prime palindrome greater than or equal to N. Recall that a number is prime if it's only divisors are 1 and itself, and it is greater than 1. For example, 2,3,5,7,11 and 13 are primes. Recall that a number is a palindrome if it reads…

Prime Palindrome Golf Do you know how to play Prime Palindrome Golf? You are given a number and your challenge is to find the closest palindromic prime number that greater than what you were given. A palindromic number or numeral palindrome is a numb…

Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. This is case sensitive, for example "Aa" is not considered a palindrome here. Note:Assume the lengt…

Given a non-empty string s, you may delete at most one character. Judge whether you can make it a palindrome. Example 1: Input: "aba" Output: True Example 2: Input: "abca" Output: True Explanation: You could delete the character 'c'. N…

leetcode bug & 9. Palindrome Number bug shit bug "use strict"; /** * * @author xgqfrms * @license MIT * @copyright xgqfrms * @created 2020-07-23 * @modified * * @description 9. Palindrome Number * @difficulty Easy * @complexity O(n) * @augme…

Given a string S, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can find by performing this transformation. For example: Given "aacecaaa", return "aaacecaaa&qu…

Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Panama" is a palindrome."race a car" is not a palindrome. Note:Have you consider that th…