摘要：problem 840. Magic Squares In Grid solution: 参考 1. Leetcode_easy_840. Magic Squares In Grid; 2. grandyang; 完 阅读全文

摘要：problem 836. Rectangle Overlap solution: 参考 1. Leetcode_easy_836. Rectangle Overlap; 2. grandyang; 完 阅读全文

摘要：problem 830. Positions of Large Groups solution1: 参考 1. Leetcode_easy_830. Positions of Large Groups; 2. grandyang; 完 阅读全文

摘要：problem 832. Flipping an Image solution1: 参考1. Leetcode_easy_832. Flipping an Image; 2. grandyang; 完 阅读全文

摘要：problem 824. Goat Latin solution 参考 1. Leetcode_easy_824. Goat Latin; 2. grandyang; 3. discuss; 完 阅读全文

摘要：problem 821. Shortest Distance to a Character solution1: solution2: 参考 1. Leetcode_easy_821. Shortest Distance to a Character; 2. Discuss; 3. grandyan 阅读全文

摘要：problem 819. Most Common Word solution: 参考 1. Leetcode_easy_819. Most Common Word; 2. Grandyang; 3. Discuss; 完 阅读全文

摘要：problem 812. Largest Triangle Area solution: 参考 1. Leetcode_easy_812. Largest Triangle Area; 2. Grandyang; 完 阅读全文

摘要：problem 811. Subdomain Visit Count solution: 参考 1. Leetcode_easy_811. Subdomain Visit Count; 2. Grandyang; 完 阅读全文

摘要：problem 806. Number of Lines To Write String solution: 参考 1. Leetcode_easy_806. Number of Lines To Write String; 2. Grandyang; 完 阅读全文

摘要：problem 804. Unique Morse Code Words solution1: 参考 1. Leetcode_easy_804. Unique Morse Code Words; 2. Grandyang; 完 阅读全文

摘要：problem 796. Rotate String solution1: solution2: 参考 1. Leetcode_easy_796. Rotate String; 2. Grandyang; 完 阅读全文

摘要：problem 788. Rotated Digits solution1: 参考 1. Leetcode_easy_788. Rotated Digits; 2. Grandyang; 完 阅读全文

摘要：problem 784. Letter Case Permutation 参考 1. Leetcode_easy_784. Letter Case Permutation; 2. Grandyang; 完 阅读全文

摘要：problem 783. Minimum Distance Between BST Nodes 参考 1. Leetcode_easy_783. Minimum Distance Between BST Nodes; 完 阅读全文

摘要：problem 771. Jewels and Stones solution1: 参考 1. Leetcode_easy_771. Jewels and Stones; 2. Grandyang; 完 阅读全文

摘要：problem 766. Toeplitz Matrix solution1: 参考 1. Leetcode_easy_766. Toeplitz Matrix; 2. Grandyang; 完 阅读全文

摘要：problem 1122. Relative Sort Array 参考 1. Leetcode_easy_1122. Relative Sort Array; 2. helloacm; 完 阅读全文

摘要：problem 1078. Occurrences After Bigram 题意 solution: 参考 1. Leetcode_easy_1078. Occurrences After Bigram; 2. string_find; 3. discuss; 4. string_substr; 阅读全文

摘要：problem 762. Prime Number of Set Bits in Binary Representation solution1: solution2:题目中给了数的大小范围 R <= 106 < 220，那么统计出来的非零位个数cnt只需要检测是否是20以内的质数即可，所以将20以 阅读全文