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Quick Summary
Given a lowercase string, determine if deleting at most one character makes all character counts equal.
A valid string requires every distinct character to appear the exact same number of times.
Return true if the string already satisfies this condition or can be fixed with a single removal.
What This Tests
Frequency counting and histogram analysis
Edge case handling in string manipulation
Conditional logic based on numerical distributions
Space-time optimization with bounded alphabets
Common Patterns
Hashing
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