Max Frequency Character

[Chirag-Jain-1414278322030453 (Chirag Jain)]

only one testcase is failing. Code : https://ide.codingblocks.com/s/205789

[abhijeet.srivastava6499 (Abhijeet Srivastava)]

@Chirag-Jain-1414278322030453,
Try running your code on this,

Input:
a