Is there a way???

Logic for squaring a 11 digit no and printing the resultant square in c???

One way is that you take the number as string and do multiplication(ans = num*num). Another way is that you copy somebody’s BigInteger class code and then square.

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You can get the string string multiplication code easily.

array…??

What is your time limit?

i need coding for that ya!!!

no specified time limit.