Problem 3
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Two fighters were fighting in the arena to win the title HEAVY WEIGHT CHAMPIONSHIP and the special guest for the tournament was gennady korotkevich . After seeing for while our guest Mr. gennady got bored and decided to change the competition style, instead of fighting he gave them a string which may contains all integers from 0-9. now he is keen on knowing that how many sub-string that can be cre
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solution.cppC++17
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