Browse LeetCode problems frequently asked by Nokia. Filter by difficulty and timeframe to focus your interview prep.
Last updated: 20 Feb 2026
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30 days
3 months
6 months
More than 6 months
All
Easy
Medium
Hard
All
Problem
Difficulty
Frequency
Topics
LRU Cache
MEDIUM
87.5%
Hash TableLinked ListDesignDoubly-Linked List
Minimum Cost of Buying Candies With Discount
EASY
87.5%
ArrayGreedySorting
Check If It Is a Good Array
HARD
75%
ArrayMathNumber Theory
Count Primes
MEDIUM
75%
ArrayMathEnumerationNumber Theory
Longest Common Prefix
EASY
75%
ArrayStringTrie
Valid Anagram
EASY
100%
Hash TableStringSorting
Valid Parentheses
EASY
87.5%
StringStack
Fibonacci Number
EASY
75%
MathDynamic ProgrammingRecursionMemoization
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