線段塗色 - 拼圖
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By Elizabeth
at 2010-07-27T13:00
at 2010-07-27T13:00
Table of Contents
※ 引述《EIORU ()》之銘言
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1.將白線塗上(紅,黃,綠,黑)四種顏色
2.不同顏色的色線(紅,黃,綠)各一條
3.色線不能有斷掉,分叉的情形
4.每個小格(上圖25個)邊緣必須至少一種色線
5.每個小格為1x1的正方形(包括邊上的小格)
6.S=三條色線的長度相乘
Q: S最大為何?色線將會如何分佈?
Ans: 7*8*8=448
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────────
│ │ │ │
──
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──────
│
││││
─┼┼┼┼─
─┼┼┼┼─
─┼┼┼┼─
─┼┼┼┼─
││││
1.將白線塗上(紅,黃,綠,黑)四種顏色
2.不同顏色的色線(紅,黃,綠)各一條
3.色線不能有斷掉,分叉的情形
4.每個小格(上圖25個)邊緣必須至少一種色線
5.每個小格為1x1的正方形(包括邊上的小格)
6.S=三條色線的長度相乘
Q: S最大為何?色線將會如何分佈?
Ans: 7*8*8=448
│ │
──────
│ │ │
────────
│ │ │ │
──
│ │
──────
│
推 puzzlez:噗... 07/27 13:25
※ 編輯: walkwall 來自: 140.117.169.167 (07/27 13:39) → walkwall:拍謝啦 多吸取前面兩位的提示與經驗 07/27 13:57
→ killyou:發現要把目標放在總長25就會漏了四個方向底的小格 07/27 14:40
→ killyou:因此最多只可能是23=7+8+8,S=7*8*8=448 07/27 14:42
→ walkwall:嗯 我是參考你們兩位的作法寫出來的 ^w^ 07/27 16:37
→ walkwall:喔喔 謝謝紅包 07/27 19:15
推 jurian0101:XD 只要把我的圖7x9換成8x8 (換頭?!) 就成了 09/10 04:15
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