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公式先记一下f1(i)表示最后一位为1时，前面都为0，要清空需要几步 公式为f1(i)=2*f1(i-1)+1 表示先把第i-1位变成1，然后第i位变成0 fF(i)表示i位全部为1时，变成0需要几步 fF(i)=fF(i-2)+1+f1(i-1) 表示先把前面i-2位变成0，然后第i位变成0 Followed by: Post your reply here: |
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