PuzzleUp 2010 (14) Airports - 拼圖
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By Rosalind
at 2010-10-14T22:49
at 2010-10-14T22:49
Table of Contents
首頁:http://www.puzzleup.com/2010/
時限:2010/10/14(四)19:00~10/20(三)18:59
答案可上傳5次,但每改1次扣20分(基本分為100分)
在比賽期間內可隨時回答,但只有在時限內回答者有額外加分
◆Airports
In a country there is a total of 20 airports. Each one of these airports are
linked to all the others, either through direct or indirect (ie. connecting)
flights. There are at most two direct flights among any randomly chosen three
airports.
What is the maximum possible number of direct flights among these 20 airports?
Note: If there is a flight between A and B, it can be used in both directions
and it will be counted as one flight.
某國中有 20 個機場。每一個機場都直接或間接地有班機飛到其他的機場。
任何三個機場之間至多有兩個直達航線。
問此國的 20 個機場一共最多有幾條直達航線?
註: 若AB兩機場間有航線,因為可以機場間雙向對飛,故計算為一條航線。
--
玩 Urban Rivals 玩到忘了有這回事 orz
話說這題似乎在哪個別處看過的樣子....
--
いああオレたちには見えてるモノがあるbデ きっと誰にも奪われないモノがあるはずさ
け 開口一番一虚一実跳梁跋扈形影相弔yュL羊頭狗肉東奔西走国士無双南柯之夢 歪も
ぶ 意味がないと思えるコトがある ラPきっとでも意図はそこに必ずある んの
く 依依恋恋空前絶後疾風怒濤有無相生 ラH急転直下物情騷然愚者一得相思相愛 だが
ろ 無意味じゃない ラ6あの意図が 恋た
で 有為転変死生有命蒼天已死黄天當立 !!6五里霧中解散宣言千錯万綜則天去私 のり
--
時限:2010/10/14(四)19:00~10/20(三)18:59
答案可上傳5次,但每改1次扣20分(基本分為100分)
在比賽期間內可隨時回答,但只有在時限內回答者有額外加分
◆Airports
In a country there is a total of 20 airports. Each one of these airports are
linked to all the others, either through direct or indirect (ie. connecting)
flights. There are at most two direct flights among any randomly chosen three
airports.
What is the maximum possible number of direct flights among these 20 airports?
Note: If there is a flight between A and B, it can be used in both directions
and it will be counted as one flight.
某國中有 20 個機場。每一個機場都直接或間接地有班機飛到其他的機場。
任何三個機場之間至多有兩個直達航線。
問此國的 20 個機場一共最多有幾條直達航線?
註: 若AB兩機場間有航線,因為可以機場間雙向對飛,故計算為一條航線。
--
玩 Urban Rivals 玩到忘了有這回事 orz
話說這題似乎在哪個別處看過的樣子....
--
いああオレたちには見えてるモノがあるbデ きっと誰にも奪われないモノがあるはずさ
け 開口一番一虚一実跳梁跋扈形影相弔yュL羊頭狗肉東奔西走国士無双南柯之夢 歪も
ぶ 意味がないと思えるコトがある ラPきっとでも意図はそこに必ずある んの
く 依依恋恋空前絶後疾風怒濤有無相生 ラH急転直下物情騷然愚者一得相思相愛 だが
ろ 無意味じゃない ラ6あの意図が 恋た
で 有為転変死生有命蒼天已死黄天當立 !!6五里霧中解散宣言千錯万綜則天去私 のり
--
Tags:
拼圖
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By Anthony
at 2010-10-19T18:27
at 2010-10-19T18:27
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By Edith
at 2010-10-22T12:55
at 2010-10-22T12:55
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By Mary
at 2010-10-24T13:55
at 2010-10-24T13:55
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By Rachel
at 2010-10-27T18:14
at 2010-10-27T18:14
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