River! River! Take Me Home

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Chef has gone out camping. One day while coming back to his tent he lost his way. While searching for the way back he encountered THREE SUPERNATURAL RIVERS,out of which only one can take him back to his tent. Each river has rocks besides it with numbers on it starting from 1,3 and 9 respectively. The next rock in the series has number as the previous number plus the sum of digits of previous nu

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solution.cppC++17

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