Created
May 27, 2013 07:45
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| n,k = map(int, raw_input().split()) | |
| processed = sorted(range(1<<n), cmp=lambda a,b: cmp(bin(a).count("1"), bin(b).count("1")) if cmp(bin(a).count("1"), bin(b).count("1")) else cmp(a,b)) | |
| print bin(processed[k - 1])[2:].zfill(n) |
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