abdo_mohammed's blog

By abdo_mohammed, history, 7 years ago, In English

image

how to solve it ?

UPD sovled

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7 years ago, # |
Rev. 2   Vote: I like it +6 Vote: I do not like it

You can solve it with the help of two pointers.Similar Problem :- Here

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7 years ago, # |
  Vote: I like it +1 Vote: I do not like it

Can you give a link to the question?