(num > 0) && (((num - 1) & num) == 0) ?
所在版块：求学狮城 发贴时间：2007-04-26 00:31  评分:

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programming puzzles － 吴永铮 　2007-04-24 17:12 (476 bytes , 736reads )
my answer to (4) － 吴永铮 　2007-04-27 21:56 (284 bytes , 253reads )
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what do you mean by classic way? － icky 　2007-04-25 11:33 (96 bytes , 265reads )
(3) can be done by less than 5 instructions － 吴永铮 　2007-04-25 12:26 (66 bytes , 255reads )
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can be simpler and faster － 吴永铮 　2007-04-25 15:26 (0 bytes , 226reads )
先模1<<16和除 1<<16 － icky 　2007-04-25 16:46 (130 bytes , 246reads )
(num > 0) && (((num - 1) & num) == 0) ? － 这就是生活 　2007-04-26 00:31 (0 bytes , 265reads )
correct － 吴永铮 　2007-04-26 00:50 (177 bytes , 233reads )
opps ^ is wrong. It's always true. － 吴永铮 　2007-04-26 01:06 (0 bytes , 243reads )
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oh, i was thinking using while － icky 　2007-04-25 11:34 (55 bytes , 301reads )
世界真奇妙 － soc胖浪人 　2007-04-25 00:27 (0 bytes , 201reads )