Rangoli Color Symmetry Validator
Rangoli Color Symmetry Validator
MediumArrays0% accepted
Deepa creates digital Rangoli designs for Indian festivals where perfect color symmetry is essential. She validates design color sequences to ensure they form perfect symmetric patterns following traditional guidelines.
Approach
Given an array of color codes, find the length of the longest contiguous subarray that reads identically forwards and backwards.
Input
1 2 3 2 1 4 5
Output
5
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