Not satisfying all test cases

#1

The following code is not satisfying all test cases. Kindly correct it .

#2

hello @arshia27

dont convert array back to number it will produce wrong result becuase of overflow.

atmax we can store 18-19 digit in long long so if the array size exceed this number we will not be able to accomodate it a variable.

so use array itself to solve this problem.

we use two pointers one pointer will point to ending of first array(say i) and second pointer point to ending of second array (say j) and use one carry variable that will store last generated carray (initially it will be 0).

final value= (arr1[i]+arr2[j] + carry)%10 //extracting digit
carry = (arr1[i]+arr2[j]+carry)/10 // extracting carray
i–; //move pointer to left by one position
j–;.//same here
same thing u have to repeat on remaining digits to get the final array

check this code for better clarity-

#3

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