weixin_38758708的博客

DescriptionInitially, there is a Robot at position (0, 0). Given a sequence of its moves, judge if this robot makes a circle, which means it moves back to the original place.The move sequence is repre...

DescriptionA self-dividing number is a number that is divisible by every digit it contains.For example, 128 is a self-dividing number because 128 % 1 == 0, 128 % 2 == 0, and 128 % 8 == 0.Also, a self-...

DescriptionGiven two lists Aand B, and B is an anagram of A. B is an anagram of A means B is made by randomizing the order of the elements in A.We want to find an index mapping P, from A to B. A mappi...