leetcode[Judge Route Circle]//待整理多种解法
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解法一：
class Solution {//遍历统计字符串，看左与右的个数是否相同，上与下的个数是否相同 public boolean judgeCircle(String moves) { int left = 0; int right = 0; int up = 0; int down = 0; for(int i = 0; i < moves.length(); i++){ switch(moves.charAt(i)){ case 'L' : left++; break; case 'R' : right++; break; case 'U' : up++; break; case 'D' : down++; break; default : break; } } return left == right && up == down; }}阅读全文
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