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安装了java, Idea, maven, tomcat java -version 可以正常运行;但maven -v 就一直报错 The JAVA_HOME environment variable is not defined correctly This environment variabl 阅读全文
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Python解法: def merge(intervals): intervals = sorted(intervals) res = [] n = len(intervals) i = 0 while i < n: left = intervals[i][0] right = intervals[ 阅读全文
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Python解法: def relativeSortArray(arr1, arr2): arr = [0 for _ in range(110)] new = [] for a in range(len(arr1)): arr[arr1[a]] += 1 for b in range(len(ar 阅读全文
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Python解法: class Solution: def largestPerimeter(self, A: List[int]) -> int: A.sort() for i in range(len(A) - 3, -1, -1): if A[i] + A[i+1] > A[i+2]: ret 阅读全文