781. Rabbits in Forest
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class Solution(object): def numRabbits(self, answers): """ :type answers: List[int] :rtype: int """ dict={} for x in answers: if x in dict.keys(): dict[x]=dict[x]+1 else: dict[x]=1 cnt=0 for k in dict.keys(): v=dict[k] if v%(k+1)==0: cnt+=v/(k+1)*(k+1) else: cnt+=v/(k+1)*(k+1)+(k+1) return cnt
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