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xzhang311/Q319.cpp

Created May 9, 2016 16:32
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  1. xzhang311 created this gist May 9, 2016.
    6 changes: 6 additions & 0 deletions Q319.cpp
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    Original file line number Diff line number Diff line change
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    class Solution {
    public:
    int bulbSwitch(int n) {
    return int(sqrt(n));
    }
    };