![]() ![]() This is implemented using a Trie structure which builds a radix tree over reversed words. ![]() Algorithm to reverse a string and check if palindrome. I wont code it up, but Ill ive pseudocode that you could try to use. You can use charAt and a loop that processes half the string and the other half at the same time. 1) Using Stack 2) Using Queue 3) Using for/while loop. There are following three ways to check for palindrome string. I did this with prime numbers only and it was working but when I added in palindrome, it did not work.ĮDIT: i added in the int original = number like one of the answers says but my output is always 2,3,5,7,11 and nothing more.ĮDIT2(1 more question): I changed the value up to 1000 and my output is 2 3 5 7 11 313 353 373 383 727 757 787 797 919 929.// driver.cpp #include #include #include "Driver. Having noticed this, we basically need an efficient method to check if some wordsi ends with the reverse of wordsj and that the remainder of wordsi is a palindrome. The string that reads the same backward as well as forward is called as palindrome string. A better way than recursion would be an iterative process. In this tutorial, you will learn how to write a java program check whether the given String is Palindrome or not. ![]() I have also tried using the top and iterate using this variable. But, due to some reason while popping the stack the program is not working as expected. The first line of input n is the number of test cases followed by n strings. Palindrome using stack Ask Question Asked 7 years, 10 months ago Modified 7 years, 10 months ago Viewed 1k times 1 I wrote a palindrome using stacks in java. Explanation: Input the number you want to check and store it in a temporary (temp) variable. My code does not show any errors, I enter 56 as the input and it still prints 'true.' Im having a really hard time figuring out why. Exception in thread 'main' : Uncompilable source code - missing return statement at (Palindrome.java:31) at (Palindrome.java:27) Java Result: 1 So, basically it says Im missing a return statement I do not see how that is possible. I want to print every prime palindrome number before 50. Check whether each string is a palindrome or not using a stack data structure. My code keeps printing out 'true' no matter what I enter. Im new to java and I was wondering how i would print prime palindrome without using strings and only methods. ![]()
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