InterviewBit Problems   Add One To Number : Unsolved

About the Add One To Number : Unsolved category (1)
Add one to number solution in java (1)
C++ || I can't see any mistake in my code.. why isn't it working (1)
Help : showing wrong answer if size got incresed by for 99,999 etc (1)
Simple cpp solution check this out (1)
Works locally, fails with some testing infrastructure error (2)
Simple solution with comments(cpp) (3)
Failing in test cases like 9,99,999 so on (2)
Its good that its free, but I hate this platform, very stupid edge cases (1)
This does'nt make any sense INTERVIEWBIT! See my image (4)
Shows runtime error while submitting but works fine when tested custom input (1)
Simple Python Solution using Dictionary (1)
(Urgent)If the same input is in my testcase it runs perfect but when I submit it shows different (1)
My code is failing extremely large inputs, example 19 digit input all 9's. Shall I go beyond long? (4)
Runtime error, though the custom output shows correct result (1)
Without reversing Vector or extra space (1)
Failing for larger integers (1)
[CCCS] : Crisp and Clear C++ Solution (1)
Challenge: Optimize it! (2)
Simple C++ solution using reverse (1)
Challenge: Optimize my solution (1)
Another approach! full working solution (1)
Its just holy shit.. whats wrong in the code... c++ (4)
Runtime error for [1,9,9,9,9,9,9], c++ solution. Can someone tell why this isn't working? (2)
Shows double free or corruption (out) 0x000000000168b010 error - C code (1)
Output shouldn't have a 0 in the beginning (1)
Problem in Trivial Case (1)
Runtime error please help! (2)
Simple o(n) soln (1)
Runtime error plzz help (2)