Trie Coding Problems

Prefix tree for string operations

59
Total Problems
5
Easy
25
Medium
25
Hard
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Master DSA Topics - January, 2026

Practice problems across 75+ categories

Trie Coding Problems

Practice problems frequently asked at Trie 59 problems | 5 Easy | 25 Medium | 25 Hard

# Problem Difficulty Topics
31 Maximum Genetic Difference Query Hard
ArrayHash TableBit Manipulation
32 Maximum Strong Pair XOR I Easy
ArrayHash TableBit Manipulation
33 Maximum Strong Pair XOR II Hard
ArrayHash TableBit Manipulation
34 Maximum XOR of Two Non-Overlapping Subtrees Hard
TreeDepth-First SearchGraph
35 Maximum XOR of Two Numbers in an Array Medium
ArrayHash TableBit Manipulation
36 Maximum XOR With an Element From Array Hard
ArrayBit ManipulationTrie
37 Minimum Cost to Convert String II Hard
ArrayStringDynamic Programming
38 Minimum Number of Valid Strings to Form Target I Medium
ArrayStringBinary Search
39 Number of Distinct Substrings in a String Unknown
StringTrieRolling Hash
40 Number of Matching Subsequences Medium
ArrayHash TableString
41 Number of Valid Words for Each Puzzle Hard
ArrayHash TableString
42 Palindrome Pairs Hard
ArrayHash TableString
43 Partition String Unknown
Hash TableStringTrie
44 Phone Number Prefix Easy
ArrayStringTrie
45 Prefix and Suffix Search Hard
ArrayHash TableString
Showing 31-45 of 59
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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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