The Fight

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Sourabh and Rishabh are enemies of each other and want to kill each other. Rishabh has lot of money . So he went to the shop to buy bullets but shopkeeper was a nerd he gave him a string conatining 0's and 1's where 1 refers to unused bullet and 0 refers to bullets that are already used. Rishabh wants to buy as much bullets as he can but he doesnot want to pay for used bullets therefore he wants

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solution.cppC++17

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