Arrange character in a string

#1

https://ide.codingblocks.com/s/344259 this is a program to arrange characters as per frequency. my code is giving output of string in increasing order like a then b then c,
but i want if i print string like nomatter then frequency of n should display first then o and so on what changes should i made in my code .pls help me .make changes in my code if possible.

#2

hello @shrutikatyal
u can take help of visited array.

first store frequency of all the character .
then start iterating ur string from start .
if current character is not visited then mark it visited and print its frequency.
if visited then move to next

#3

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