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Function to reverse the bits of a given integer
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| function bitRev(N) { | |
| var r = 0; | |
| val = 0; | |
| while(N > 0) { | |
| val = N&1; | |
| N >>= 1; | |
| r += val&1; | |
| r <<= 1; | |
| } | |
| r >>= 1; | |
| return r; | |
| } |
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