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Button puzzle (Posted on 2006-10-13)

There are six buttons in a row. Each button shows an arrow pointing left (L) or right (R). When you press a button, all buttons in the direction of its arrow (not including itself) rotate 180 degrees.

Find the least number of button presses required to get from RRRLLL to LRLRLR.

Submitted by Tristan

Rating: 4.0000 (1 votes)

Solution: (Hide)

Four presses are required. One such solution is to press the following buttons in order, where the buttons are numbered from left to right:
2, 5, 1, 5

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
Puzzle Solution	K Sengupta	2022-09-09 01:52:33
re: 3 moves i got	Charlie	2006-10-15 17:20:39
3 moves i got	sachin	2006-10-15 04:09:57
re: Question / Clarification	Tristan	2006-10-13 13:54:27
All the ways using the least presses	Charlie	2006-10-13 11:10:45
Least?	Dej Mar	2006-10-13 08:03:23
Question / Clarification	Larry	2006-10-13 07:47:58

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