题目描述:
Limak is an old brown bear who likes to play darts.
Limak just picked up an empty scorecard. He then threw a sequence of darts into a dartboard and for each dart he recorded the point value of the ...
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Limak is an old brown bear who likes to play darts.
Limak just picked up an empty scorecard. He then threw a sequence of darts into a dartboard and for each dart he recorded the point value of the ...
最后更新于 .
You are playing the following Nim Game with your friend: There is a heap of stones on the table, each time one of you take turns to remove 1 to 3 stones. The one who removes the last stone ...
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A robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).
The robot can only move either down or right at any point in time. The robot is trying to ...
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Given a pattern
and a string str
, find if str
follows the same pattern.
Examples:
pattern = "abba
", str = "dog cat cat dog
" should return true.
pattern = "abba
", str = "dog cat cat fish ...
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According to the Wikipedia's article: "The Game of Life, also known simply as Life, is a cellular automaton devised by the British mathematician John Horton Conway in 1970."
Given a board with m by n cells, each cell ...