【小小福讲Leetcode】LeetCode 5. longest palindromic substring

源代码和文字讲解：https://fufuleetcode.github.io LeetCode 5. longest palindromic substring 考点: DP, String 如果你喜欢我的视频，不要忘了关注+点赞+转发哟! 我的LeetCode刷题频道是：https://www.youtube.com/watch?v=XObufhWMQ1o&list=PL6i_0cc-sEeKV6TM-RJMN5H87CvzQhYJx 面试高频考点 Array: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLy4CiDaPWIikuIqpEk9OFD Hash Table: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKeNWNT8rhYou264_pKtHov Linked List: https://www.youtube.com/playlist?list=PL6i_0cc-sEeI9YS7CcAG4YqCH3eInxT8t Math: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJYXF6Z69ommaw1YelF9BXM Two Pointers: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJz13nHm-Um8kzSYOvxi9Aq String: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJQT3nRiniO4Iw0C574QicD Binary Search: https://www.youtube.com/playlist?list=PL6i_0cc-sEeITbHxpAP1MbTM-YuvyNO1W Divide and Conquer: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKUfDm-qjLzM1v5GtJ4fm_b Dynamic Programming: https://www.youtube.com/playlist?list=PL6i_0cc-sEeL6HkIg8KfofcsMfnLmey94 Backtracking: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJ3O8PUrlGUnw32J9pPavnm Stack: https://www.youtube.com/playlist?list=PL6i_0cc-sEeI1h0DendVsj5-t7P3V_AK0 Heap: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLR3TqRiInw5kAr1S3IidtD Greedy: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIWZxARM194QDuiXvp6CqZI Sort: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKcFACiLPger-8AVkcVw3z9 Tree: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJFh6AFYT2g5jHViPKL9Da_ Depth-first Search: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJ_V0sMsrEKkdUOM567oeNM Breadth-first Search: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLerHCt2Vnb1TUVpjVu-9kB Binary Search Tree: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIHwobNSz9z39MmtN03OHJq Recursion: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKuA5YbeSeEmGQ6Sz-zhzRD Queue: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJkCqfdOlK59EUqtPvXSf6A Sliding Window: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLwGC1TVEbFK3Zr0gAEGvTG 面试低频考点 Bit Manipulation: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKCSV72ZUjBBP7dY92beorD Union Find: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIgu-2oOxEn_QaauIou6Bmx Graph: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIjHRwoXNMihdf-_TeYXu4r Design: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJbKTgIKfLqXEZ5oydICtmd Topological Sort: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLyFc8aRnPQvauzluf_jsbd Trie: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIx4f8kYCd8jykTKZ72Nvbp Binary Indexed Tree: https://www.youtube.com/playlist?list=PL6i_0cc-sEeL2m5h6CVMPMARgAOP6mq3w Segment Tree: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLS1alwWhHzZOP-8vDuxLnu Brainteaser: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIcZrGKD8oTEQxhOSS8SwEV Memoization: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJ6AHiCA7h_YxhQ2gmh0fBq Minimax: https://www.youtube.com/playlist?list=PL6i_0cc-sEeK0r0LD4K9y8EWNYjvfb0ru Reservoir Sampling: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLribSIjAlgKgK69Blc5Erj Ordered Map: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLVGuImYCM8-ngauFxY-uAE Geometry: https://www.youtube.com/playlist?list=PL6i_0cc-sEeKXQUN0HRkRvTRHRQijFpF- Random: https://www.youtube.com/playlist?list=PL6i_0cc-sEeIx7gt5j9l9Ab0iPXIVnCO5 Rejection Sampling: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJpI51nLhgvNxlXXMG0uvZ2 Line Sweep: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLCf-yZvoViY-2mGLE2Pn4o Rolling Hash: https://www.youtube.com/playlist?list=PL6i_0cc-sEeJnANBdS-HxDWljnMa-_NE1 Suffix Array: https://www.youtube.com/playlist?list=PL6i_0cc-sEeLiBNJvqCqlRCelM80qOMUx