Re: [algogeeks] Re: crossing a bridge; running away from zombies (logic puzzle)
thts a Google question...17 is the answer On Sat, Aug 20, 2011 at 2:08 AM, Dave dave_and_da...@juno.com wrote: @Icy: A few years ago this was reported to be a Microsoft interview question. It is so well publicized now that most people here have probably seen it. 1 and 2 cross. 1 returns. (alternatively, 2 returns) 5 and 10 cross. 2 returns. (alternatively, 1 returns) 1 and 2 cross. 17 minutes. Dave On Aug 19, 3:25 pm, icy` vipe...@gmail.com wrote: Hey everyone, I recently joined this group, so I thought I'd add a short interview/ logic puzzle that I remember hearing. Hopefully it wasnt already said. Part of the fun is the story, so here it goes... Four people have been running away from a pack of zombies, and are now injured in varying degrees. It is already nighttime, and they have come upon a bridge. They must cross the bridge as fast as possible before the pack of zombies comes upon them, but the bridge is very dark, slippery, and cannot support much weight. There is one flashlight. Rules: * the bridge must be crossed with the flashlight, only two people at most. A return trip must be made (the flashlight cannot be thrown back, etc) * the four people cross the bridge at different speeds: 1minute, 2 minutes, 5 min, and 10min. A trip time is determined by the slowest person. So if the 1min crosses together with the 5min, the trip time is 5min. *if a person falls off the bridge, he/she goes to /dev/null;P So what is the fastest way for everyone to cross the bridge, and how long does that take? ~icy -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: crossing a bridge; running away from zombies (logic puzzle)
@aditya Any puzzle asked by any company doesn't mean that it belongs to that particular company. I encounter this question first time in 2005 through a flash game. On Sun, Aug 21, 2011 at 12:17 AM, Aditya Virmani virmanisadi...@gmail.comwrote: thts a Google question...17 is the answer On Sat, Aug 20, 2011 at 2:08 AM, Dave dave_and_da...@juno.com wrote: @Icy: A few years ago this was reported to be a Microsoft interview question. It is so well publicized now that most people here have probably seen it. 1 and 2 cross. 1 returns. (alternatively, 2 returns) 5 and 10 cross. 2 returns. (alternatively, 1 returns) 1 and 2 cross. 17 minutes. Dave On Aug 19, 3:25 pm, icy` vipe...@gmail.com wrote: Hey everyone, I recently joined this group, so I thought I'd add a short interview/ logic puzzle that I remember hearing. Hopefully it wasnt already said. Part of the fun is the story, so here it goes... Four people have been running away from a pack of zombies, and are now injured in varying degrees. It is already nighttime, and they have come upon a bridge. They must cross the bridge as fast as possible before the pack of zombies comes upon them, but the bridge is very dark, slippery, and cannot support much weight. There is one flashlight. Rules: * the bridge must be crossed with the flashlight, only two people at most. A return trip must be made (the flashlight cannot be thrown back, etc) * the four people cross the bridge at different speeds: 1minute, 2 minutes, 5 min, and 10min. A trip time is determined by the slowest person. So if the 1min crosses together with the 5min, the trip time is 5min. *if a person falls off the bridge, he/she goes to /dev/null;P So what is the fastest way for everyone to cross the bridge, and how long does that take? ~icy -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- **Regards SAGAR PAREEK COMPUTER SCIENCE AND ENGINEERING NIT ALLAHABAD -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Re: crossing a bridge; running away from zombies (logic puzzle)
:D just sayin mahn...bura mat maan :D On Sun, Aug 21, 2011 at 12:23 AM, sagar pareek sagarpar...@gmail.comwrote: @aditya Any puzzle asked by any company doesn't mean that it belongs to that particular company. I encounter this question first time in 2005 through a flash game. On Sun, Aug 21, 2011 at 12:17 AM, Aditya Virmani virmanisadi...@gmail.com wrote: thts a Google question...17 is the answer On Sat, Aug 20, 2011 at 2:08 AM, Dave dave_and_da...@juno.com wrote: @Icy: A few years ago this was reported to be a Microsoft interview question. It is so well publicized now that most people here have probably seen it. 1 and 2 cross. 1 returns. (alternatively, 2 returns) 5 and 10 cross. 2 returns. (alternatively, 1 returns) 1 and 2 cross. 17 minutes. Dave On Aug 19, 3:25 pm, icy` vipe...@gmail.com wrote: Hey everyone, I recently joined this group, so I thought I'd add a short interview/ logic puzzle that I remember hearing. Hopefully it wasnt already said. Part of the fun is the story, so here it goes... Four people have been running away from a pack of zombies, and are now injured in varying degrees. It is already nighttime, and they have come upon a bridge. They must cross the bridge as fast as possible before the pack of zombies comes upon them, but the bridge is very dark, slippery, and cannot support much weight. There is one flashlight. Rules: * the bridge must be crossed with the flashlight, only two people at most. A return trip must be made (the flashlight cannot be thrown back, etc) * the four people cross the bridge at different speeds: 1minute, 2 minutes, 5 min, and 10min. A trip time is determined by the slowest person. So if the 1min crosses together with the 5min, the trip time is 5min. *if a person falls off the bridge, he/she goes to /dev/null;P So what is the fastest way for everyone to cross the bridge, and how long does that take? ~icy -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- **Regards SAGAR PAREEK COMPUTER SCIENCE AND ENGINEERING NIT ALLAHABAD -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
[algogeeks] Re: crossing a bridge; running away from zombies (logic puzzle)
@Icy: A few years ago this was reported to be a Microsoft interview question. It is so well publicized now that most people here have probably seen it. 1 and 2 cross. 1 returns. (alternatively, 2 returns) 5 and 10 cross. 2 returns. (alternatively, 1 returns) 1 and 2 cross. 17 minutes. Dave On Aug 19, 3:25 pm, icy` vipe...@gmail.com wrote: Hey everyone, I recently joined this group, so I thought I'd add a short interview/ logic puzzle that I remember hearing. Hopefully it wasnt already said. Part of the fun is the story, so here it goes... Four people have been running away from a pack of zombies, and are now injured in varying degrees. It is already nighttime, and they have come upon a bridge. They must cross the bridge as fast as possible before the pack of zombies comes upon them, but the bridge is very dark, slippery, and cannot support much weight. There is one flashlight. Rules: * the bridge must be crossed with the flashlight, only two people at most. A return trip must be made (the flashlight cannot be thrown back, etc) * the four people cross the bridge at different speeds: 1minute, 2 minutes, 5 min, and 10min. A trip time is determined by the slowest person. So if the 1min crosses together with the 5min, the trip time is 5min. *if a person falls off the bridge, he/she goes to /dev/null ;P So what is the fastest way for everyone to cross the bridge, and how long does that take? ~icy -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
