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package LeetCode_784 /** * 784. Letter Case Permutation * https://leetcode.com/problems/letter-case-permutation/ * Given a string S, we can transform 阅读全文
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package LeetCode_778 import java.util.* /** * 778. Swim in Rising Water * https://leetcode.com/problems/swim-in-rising-water/ * On an N x N grid, each 阅读全文
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package LeetCode_456 import java.util.* /** * 456. 132 Pattern * https://leetcode.com/problems/132-pattern/ * Given an array of n integers nums, * a 1 阅读全文
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package LeetCode_764 /** * 764. Largest Plus Sign * https://leetcode.com/problems/largest-plus-sign/ * * In a 2D grid from (0, 0) to (N-1, N-1), every 阅读全文
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package LeetCode_771 /** * 771. Jewels and Stones * https://leetcode.com/problems/jewels-and-stones/ * You're given strings J representing the types o 阅读全文