How to Solve Optimal Partition of String Leetcode Problem - Interview Coder Guide
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How to Solve Optimal Partition of String Problem

Master the Optimal Partition of String LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.

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Medium#2487
LeetCode Problem

Optimal Partition of String

Given a string s, partition the string into one or more substrings such that the characters in each substring are unique. That is, no letter appears in a single substring more than once. Return the mi...

Hash TableStringGreedy

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Problem Breakdown

Understanding the Optimal Partition of String Problem

Let's break down this LeetCode problem and understand what makes it challenging in interview settings.

Problem Statement

Given a string s, partition the string into one or more substrings such that the characters in each substring are unique. That is, no letter appears in a single substring more than once. Return the minimum number of substrings in such a partition. Note that each character should belong to exactly one substring in a partition.

MediumProblem #2487
LeetCode

Optimal Partition of String

Related Topics
Hash TableStringGreedy
How Interview Coder Helps

Get real-time assistance for Optimal Partition of String problems during coding interviews. Interview Coder provides instant solutions and explanations.

Examples

Example 1
INPUT
s = "abacaba"
OUTPUT
4
EXPLANATION

Two possible partitions are ("a","ba","cab","a") and ("ab","a","ca","ba"). It can be shown that 4 is the minimum number of substrings needed.

Example 2
INPUT
s = "ssssss"
OUTPUT
6
EXPLANATION

The only valid partition is ("s","s","s","s","s","s").

Constraints

1 <= s.length <= 105
s consists of only English lowercase letters.

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