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| 查看: 911 | 回復(fù): 3 | |||
navolo木蟲 (正式寫手)
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[交流]
2012 MCM B題 已有3人參與
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各位大神，有木有參加2012年美賽的額，B題有沒有思路啊， 亦求沒參加的額大神們幫忙��！ 題目如下： Visitors to the Big Long River (225 miles) can enjoy scenic views and exciting white water rapids. The river is inaccessible to hikers, so the only way to enjoy it is to take a river trip that requires several days of camping. River trips all start at First Launch and exit the river at Final Exit, 225 miles downstream. Passengers take either oar- powered rubber rafts, which travel on average 4 mph or motorized boats, which travel on average 8 mph. The trips range from 6 to 18 nights of camping on the river, start to finish.. The government agency responsible for managing this river wants every trip to enjoy a wilderness experience, with minimal contact with other groups of boats on the river. Currently, X trips travel down the Big Long River each year during a six month period (the rest of the year it is too cold for river trips). There are Y camp sites on the Big Long River, distributed fairly uniformly throughout the river corridor. Given the rise in popularity of river rafting, the park managers have been asked to allow more trips to travel down the river. They want to determine how they might schedule an optimal mix of trips, of varying duration (measured in nights on the river) and propulsion (motor or oar) that will utilize the campsites in the best way possible. In other words, how many more boat trips could be added to the Big Long River’s rafting season? The river managers have hired you to advise them on ways in which to develop the best schedule and on ways in which to determine the carrying capacity of the river, remembering that no two sets of campers can occupy the same site at the same time. In addition to your one page summary sheet, prepare a one page memo to the managers of the river describing your key findings. |
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木易孤魂
至尊木蟲 (著名寫手)
R羊R
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- 專業(yè): 凝聚態(tài)物性 II ：電子結(jié)構(gòu)
2樓2012-02-10 19:02:57
wangbin123ab
新蟲 (小有名氣)
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- 專業(yè): 計算數(shù)學(xué)與科學(xué)工程計算
3樓2012-02-11 16:50:26
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