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wu :: forums    riddles    medium (Moderators: ThudnBlunder, william wu, Icarus, Grimbal, towr, Eigenray, SMQ)    BRIDGE CROSSING -- is this right? « Previous topic | Next topic » Pages: 1  Reply Notify of replies Send Topic Print    Author  Topic: BRIDGE CROSSING -- is this right?  (Read 1364 times) standsolid Guest BRIDGE CROSSING -- is this right?   « on: Jan 3rd, 2003, 3:25am » Quote Modify Remove i was looking over bridge crossing in med.  and i though this was the correct answer, but it's kinda  bugging me   If two people need to cross, then another needs to return with the flashlight.  thus,   A & B = 2 min A to Beginning = 1 min A & C = 5 min A to Beginning (again) 1 min A & D = 10 min add it all up to get 19 minutes.  is that logical/correct? IP Logged redPEPPER Full Member     Posts: 160 Re: BRIDGE CROSSING -- is this right?   « Reply #1 on: Jan 3rd, 2003, 4:01am » Quote Modify That's logical/correct but it's not the best solution (so it's not the answer to the problem).  You can do 17 minutes. IP Logged turambar386 Newbie     Posts: 2 Re: BRIDGE CROSSING -- is this right?   « Reply #2 on: Apr 24th, 2003, 11:42am » Quote Modify Got it!   A and B cross = 2 min A goes back = 1 min A gives flashlight to D and C and they cross = 10 min D&C give flashlight to B and he goes back = 2 min B & A cross = 2 min   Total 17 min. Woot!  Bring on the cushy M$ job! IP Logged Icarus wu::riddles Moderator Uberpuzzler Boldly going where even angels fear to tread.     Gender: Posts: 4863 Re: BRIDGE CROSSING -- is this right?   « Reply #3 on: Apr 24th, 2003, 6:27pm » Quote Modify Working for MS? And I thought marrying your sister and killing all your friends was bad! IP Logged "Pi goes on and on and on ... And e is just as cursed. I wonder: Which is larger When their digits are reversed? " - Anonymous turambar386 Newbie     Posts: 2 Re: BRIDGE CROSSING -- is this right?   « Reply #4 on: Apr 25th, 2003, 6:27am » Quote Modify on Apr 24th, 2003, 6:27pm, Icarus wrote: Working for MS? And I thought marrying your sister and killing all your friends was bad!   I'm kidding, naturally.   I had a best friend who went to work for Microsoft.   It's scary how they slowly brainwash their employees. IP Logged Pages: 1  Reply Notify of replies Send Topic Print Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese « Previous topic | Next topic »

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