This Chrome extension provides visual indicators for task submission status on the AtCoder webpage of task itself. It highlights tasks based on submission history: green for accepted, red for not accepted, and no change for unattempted tasks.
Check the Github repo.
A sample image that shows how it looks in reality. 
Open to suggestions, if any.
Contributors: guava_sauce
UPD:
So I added the functionality to show the number of users solved the question and are there in standings.
And here is the link for the published extension. AtCoder
Auto comment: topic has been updated by shubhamgoel0711 (previous revision, new revision, compare).
Nice one, thanks!
great
UPD:
there is error in the extension : in some tasks that I solved it doesn't show green mark
Can you dm me the screenshots for the same and elaborate a bit more regarding the problem, they will help me in debugging the bug.
I solved frog1 , frog2 , knapsack1 but doesn't show green marks in them
Fixed the bug, there is one more surprise in it do check it out.
Much needed. Thank you.