The Safe

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Vikram owns a safe that unlocks by security key and it is made up of digit 0-9. There is one problem with the safe that if he forgets the key then no one can open the safe. Unfortunately, Vikram forgot the key but he still have the clue to get the key. Vikram is not so good in mathematics so he asked you to help him by giving you all the clues which are as follows: There is a m * n matrix of inte

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L1 Observation

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L3 Approach

L4 Pseudo-code

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L5 Full solution

L5 unlocks only if you insist twice

solution.cppC++17

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