class Solution { public boolean judgeCircle(String moves) { int lr = 0; int ud = 0; for (char c: moves.toCharArray()) { if ('U' == c) { ud += 1; continue; } if ('D' == c) { ud -= 1; continue; } if ('R' == c) { lr += 1; continue; } if ('L' == c) { lr -= 1; continue; } } return ud == 0 && lr == 0; } }
LeetCode 657 Robot Return to Origin
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转载自www.cnblogs.com/stone94/p/10902266.html
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