I am facing issue to understand the question ,can you please provide me the code so that I can understand this.
Facing difficulty in understanding the question
ok ,sir so can you give me some more testcases such that i could understand this
Hey @siddhant_samal here’s the editorial I found for you https://www.geeksforgeeks.org/maximum-length-substring-having-all-same-characters-after-k-changes/#:~:text=When%20count%20will%20be%20equal,finally%20return%20the%20maximum%20length
Just refer to it. They have given very detailed description for this question 
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