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21 docs tagged with "counting"

Check if All Characters Have Equal Number of Occurrences

LeetCode 2053 | Difficulty: Easy

Check if One String Swap Can Make Strings Equal

LeetCode 1915 | Difficulty: Easy

Count Number of Pairs With Absolute Difference K

LeetCode 2116 | Difficulty: Easy

Determine if Two Strings Are Close

LeetCode 1777 | Difficulty: Medium

First Unique Character in a String

LeetCode 387 | Difficulty: Easy

Intersection of Three Sorted Arrays

LeetCode 1149 | Difficulty: Easy

Majority Element

LeetCode 169 | Difficulty: Easy

Majority Element II

LeetCode 229 | Difficulty: Medium

Maximum Number of Balloons

LeetCode 1297 | Difficulty: Easy

Most Common Word

LeetCode 837 | Difficulty: Easy

Number of Good Pairs

LeetCode 1635 | Difficulty: Easy

Ransom Note

LeetCode 383 | Difficulty: Easy

Reorganize String

LeetCode 778 | Difficulty: Medium

Sort Characters By Frequency

LeetCode 451 | Difficulty: Medium

Sort Integers by The Number of 1 Bits

LeetCode 1458 | Difficulty: Easy

Subarrays with K Different Integers

LeetCode 1034 | Difficulty: Hard

Substrings That Begin and End With the Same Letter

LeetCode 2225 | Difficulty: Medium

Sum of Unique Elements

LeetCode 1848 | Difficulty: Easy

Task Scheduler

LeetCode 621 | Difficulty: Medium

Top K Frequent Elements

LeetCode 347 | Difficulty: Medium

Top K Frequent Words

LeetCode 692 | Difficulty: Medium