Chewbacca problem

Luke Skywalker gave Chewbacca an integer number x. Chewbacca isn’t good at numbers but he loves inverting digits in them. Inverting digit t means replacing it with digit 9 - t.

Help Chewbacca to transform the initial number x to the minimum possible positive number by inverting some (possibly, zero) digits. The decimal representation of the final number shouldn’t start with a zero.
i am not able to meet 3 and 4 test case

@yyashu123
Hello Yashaswini,
a) increase ur d array size because number of digit can be greater than 10
b) change datatype to long long

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