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Topic: Java-language-question / Level: Intermediate
290. Write a program to check if a string can be rearranged to form a palindrome.
291. Write a program to find the maximum length of a repeated substring.
292. Write a program to calculate the number of distinct ways to climb a staircase with variable steps.
293. Write a program to implement a simple file compression algorithm.
294. Write a program to find the number of valid IP addresses from a given string.
295. Write a program to implement a simple video player.
296. Write a program to find the kth smallest element in a binary search tree.
297. Write a program to check if a matrix is symmetric.
298. Write a program to implement a simple key-value store.
299. Write a program to find the number of unique paths with obstacles in a grid.
300. Write a program to find the minimum number of coins needed to make a given amount.
301. Write a program to implement a simple graphics editor.
302. Write a program to find the longest continuous subsequence in an array.
303. Write a program to check if a number can be expressed as a sum of two primes (Goldbach's conjecture).
304. Write a program to implement a simple calendar application.
305. Write a program to find the maximum sum of non-adjacent numbers in an array.
306. Write a program to find the number of distinct values in a sorted array.
307. Write a program to implement a simple game of tic-tac-toe.
308. Write a program to find the minimum spanning tree of a graph using Prim’s or Kruskal’s algorithm.
309. Write a program to implement a simple drawing application.
310. Write a program to find the longest path in a weighted graph.
311. Write a program to check if a string has all unique characters using a hash set.
312. Write a program to calculate the number of ways to climb stairs with variable steps.
313. Write a program to find the number of paths to reach the bottom-right corner of a grid.
314. Write a program to implement a simple online shopping cart.
315. Write a program to find the median of a stream of integers.
316. Write a program to implement a simple text-based adventure game.
317. Write a program to find the maximum sum of a rectangular submatrix.
318. Write a program to implement a simple command-line calculator.
319. Write a program to find the length of the longest subarray with at most K distinct elements.
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Write a program that checks if a number is a power of two.
Write a program to implement a basic version control system.
Write a program to count the number of distinct subsequences of a string.
Write a program to implement a simple online shopping cart.
Write a program to find the unique characters in a string, maintaining their order.
Write a program to implement the bubble sort algorithm.
Write a program to implement a simple chat bot.
Write a program to find all subsets of a set.
Write a program to find the longest substring without repeating characters.
Write a program to find the minimum number of operations required to convert one string to another.
Write a program to check if two strings are anagrams.
Write a program to implement a simple text-based adventure game.
Write a program to find the minimum path sum in a grid.
Write a program to implement a simple online payment system.
Write a program to check if a string is an isogram (no repeating letters).