Question 1

Range Addition II — IXL Interview Question

Accepted Answer

"Range Addition II" is a easy difficulty problem asked at IXL interviews. It covers the following topics: Array, Math. You can practice it on LeetCode: https://leetcode.com/problems/range-addition-ii

Question 2

Fraction Addition and Subtraction — IXL Interview Question

Accepted Answer

"Fraction Addition and Subtraction" is a medium difficulty problem asked at IXL interviews. It covers the following topics: Math, String, Simulation. You can practice it on LeetCode: https://leetcode.com/problems/fraction-addition-and-subtraction

Question 3

Palindrome Linked List — IXL Interview Question

Accepted Answer

"Palindrome Linked List" is a easy difficulty problem asked at IXL interviews. It covers the following topics: Linked List, Two Pointers, Stack, Recursion. You can practice it on LeetCode: https://leetcode.com/problems/palindrome-linked-list

Question 4

Stickers to Spell Word — IXL Interview Question

Accepted Answer

"Stickers to Spell Word" is a hard difficulty problem asked at IXL interviews. It covers the following topics: Array, Hash Table, String, Dynamic Programming, Backtracking, Bit Manipulation, Memoization, Bitmask. You can practice it on LeetCode: https://leetcode.com/problems/stickers-to-spell-word

Question 5

Merge k Sorted Lists — IXL Interview Question

Accepted Answer

"Merge k Sorted Lists" is a hard difficulty problem asked at IXL interviews. It covers the following topics: Linked List, Divide and Conquer, Heap (Priority Queue), Merge Sort. You can practice it on LeetCode: https://leetcode.com/problems/merge-k-sorted-lists

Question 6

Merge Intervals — IXL Interview Question

Accepted Answer

"Merge Intervals" is a medium difficulty problem asked at IXL interviews. It covers the following topics: Array, Sorting. You can practice it on LeetCode: https://leetcode.com/problems/merge-intervals

#	Question Title	Difficulty	Frequency	Topics
1	Range Addition II	EASY	100.0	ArrayMath
2	Fraction Addition and Subtraction	MEDIUM	91.9	MathStringSimulation
3	Palindrome Linked List	EASY	90.2	Linked ListTwo PointersStack+1
4	Stickers to Spell Word	HARD	88.4	ArrayHash TableString+5
5	Merge k Sorted Lists	HARD	86.4	Linked ListDivide and ConquerHeap (Priority Queue)+1
6	Merge Intervals	MEDIUM	86.4	ArraySorting
7	Design Snake Game	MEDIUM	86.4	ArrayHash TableDesign+2
8	Find the Derangement of An Array	MEDIUM	86.4	MathDynamic ProgrammingCombinatorics
9	Fraction to Recurring Decimal	MEDIUM	86.4	Hash TableMathString
10	Find Median from Data Stream	HARD	81.6	Two PointersDesignSorting+2

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