leetcode第一刷_Populating Next Right Pointers in Each Node II

非常自然的推广，如果去掉完全二叉树的条件呢？因为这个条件不是关键，因此不会影响总体的思路，做法依然是每次找到一层的起点，然后一层一层的走。 如果是完全二叉树的话，每层的起点就是上一层起点的左孩子，兄弟之间的链接也简单，直接找对应父亲的左右孩子即可。一般二叉树时，起点应该是上一层第一个有孩子节点的左孩子，或者没有左孩子时，是他的右孩子。为了能在孩子层中不断链接，我们必须保存当孩子层的前一个节点，当...

http://www.gexing.com/wenzi/9417766.html
http://www.gexing.com/wenzi/9417767.html
http://www.gexing.com/wenzi/9417768.html
http://www.gexing.com/wenzi/9417769.html
http://www.gexing.com/wenzi/9417762.html
http://www.gexing.com/wenzi/9417756.html
http://www.gexing.com/wenzi/9417759.html
http://www.gexing.com/wenzi/9417773.html
http://www.gexing.com/wenzi/9417774.html
http://www.gexing.com/wenzi/9417775.html
http://www.gexing.com/wenzi/9417776.html
http://www.gexing.com/wenzi/9417771.html
http://www.gexing.com/wenzi/9417772.html
http://www.gexing.com/wenzi/9417784.html
http://www.gexing.com/wenzi/9417786.html
http://www.gexing.com/wenzi/9417788.html
http://www.gexing.com/wenzi/9417777.html
http://www.gexing.com/wenzi/9417806.html
http://www.gexing.com/wenzi/9417780.html
http://www.gexing.com/wenzi/9417770.html
http://www.gexing.com/wenzi/9417807.html
http://www.gexing.com/wenzi/9417820.html
http://www.gexing.com/wenzi/9417823.html
http://www.gexing.com/wenzi/9417825.html
http://www.gexing.com/wenzi/9417826.html
http://www.gexing.com/wenzi/9417828.html
http://www.gexing.com/wenzi/9417821.html
http://www.gexing.com/wenzi/9417830.html
http://www.gexing.com/wenzi/9417832.html
http://www.gexing.com/wenzi/9417834.html
http://www.gexing.com/wenzi/9417835.html
http://www.gexing.com/wenzi/9417836.html
http://www.gexing.com/wenzi/9417837.html
http://www.gexing.com/wenzi/9417838.html
http://www.gexing.com/wenzi/9417839.html
http://www.gexing.com/wenzi/9417840.html
http://www.gexing.com/wenzi/9417842.html
http://www.gexing.com/wenzi/9417843.html
http://www.gexing.com/wenzi/9417844.html
http://www.gexing.com/wenzi/9417845.html
http://www.gexing.com/wenzi/9417827.html
http://www.gexing.com/wenzi/9417841.html
http://www.gexing.com/wenzi/9417829.html
http://www.gexing.com/wenzi/9417850.html
http://www.gexing.com/wenzi/9417851.html
http://www.gexing.com/wenzi/9417852.html
http://www.gexing.com/wenzi/9417853.html
http://www.gexing.com/wenzi/9417847.html
http://www.gexing.com/wenzi/9417854.html
http://www.gexing.com/wenzi/9417846.html
http://www.gexing.com/wenzi/9417856.html
http://www.gexing.com/wenzi/9417848.html
http://www.gexing.com/wenzi/9417858.html
http://www.gexing.com/wenzi/9417855.html
http://www.gexing.com/wenzi/9417859.html
http://www.gexing.com/wenzi/9417861.html
http://www.gexing.com/wenzi/9417887.html
http://www.gexing.com/wenzi/9417865.html
http://www.gexing.com/wenzi/9417891.html
http://www.gexing.com/wenzi/9417892.html
http://www.gexing.com/wenzi/9417893.html
http://www.gexing.com/wenzi/9417899.html
http://www.gexing.com/wenzi/9417889.html
http://www.gexing.com/wenzi/9417864.html
http://www.gexing.com/wenzi/9417857.html
http://www.gexing.com/wenzi/9417886.html
http://www.gexing.com/wenzi/9417907.html
http://www.gexing.com/wenzi/9417908.html
http://www.gexing.com/wenzi/9417910.html
http://www.gexing.com/wenzi/9417905.html
http://www.gexing.com/wenzi/9417915.html
http://www.gexing.com/wenzi/9417917.html
http://www.gexing.com/wenzi/9417918.html
http://www.gexing.com/wenzi/9417921.html
http://www.gexing.com/wenzi/9417913.html
http://www.gexing.com/wenzi/9417901.html
http://www.gexing.com/wenzi/9417925.html
http://www.gexing.com/wenzi/9417903.html
http://www.gexing.com/wenzi/9417926.html
http://www.gexing.com/wenzi/9417923.html
http://www.gexing.com/wenzi/9417911.html
http://www.gexing.com/wenzi/9417935.html
http://www.gexing.com/wenzi/9417937.html
http://www.gexing.com/wenzi/9417936.html
http://www.gexing.com/wenzi/9417939.html
http://www.gexing.com/wenzi/9417940.html
http://www.gexing.com/wenzi/9417942.html
http://www.gexing.com/wenzi/9417944.html
http://www.gexing.com/wenzi/9417946.html
http://www.gexing.com/wenzi/9417947.html
http://www.gexing.com/wenzi/9417948.html
http://www.gexing.com/wenzi/9417943.html
http://www.gexing.com/wenzi/9417941.html
http://www.gexing.com/wenzi/9417951.html
http://www.gexing.com/wenzi/9417952.html
http://www.gexing.com/wenzi/9417953.html
http://www.gexing.com/wenzi/9417954.html
http://www.gexing.com/wenzi/9417949.html
http://www.gexing.com/wenzi/9417950.html
http://www.gexing.com/wenzi/9417955.html
http://www.gexing.com/wenzi/9417956.html
http://www.gexing.com/wenzi/9417957.html
http://www.gexing.com/wenzi/9417958.html
http://www.gexing.com/wenzi/9417960.html
http://www.gexing.com/wenzi/9417945.html
http://www.gexing.com/wenzi/9417961.html
http://www.gexing.com/wenzi/9417964.html
http://www.gexing.com/wenzi/9417966.html
http://www.gexing.com/wenzi/9417968.html
http://www.gexing.com/wenzi/9417959.html
http://www.gexing.com/wenzi/9417969.html
http://www.gexing.com/wenzi/9417996.html
http://www.gexing.com/wenzi/9417999.html
http://www.gexing.com/wenzi/9417995.html
http://www.gexing.com/wenzi/9418003.html
http://www.gexing.com/wenzi/9417998.html
http://www.gexing.com/wenzi/9418007.html
http://www.gexing.com/wenzi/9418005.html
http://www.gexing.com/wenzi/9418009.html
http://www.gexing.com/wenzi/9418011.html
http://www.gexing.com/wenzi/9418012.html
http://www.gexing.com/wenzi/9418008.html
http://www.gexing.com/wenzi/9418006.html
http://www.gexing.com/wenzi/9418002.html
http://www.gexing.com/wenzi/9418010.html
http://www.gexing.com/wenzi/9418016.html
http://www.gexing.com/wenzi/9418013.html
http://www.gexing.com/wenzi/9418017.html
http://www.gexing.com/wenzi/9418014.html
http://www.gexing.com/wenzi/9418020.html
http://www.gexing.com/wenzi/9418021.html
http://www.gexing.com/wenzi/9418022.html
http://www.gexing.com/wenzi/9418018.html
http://www.gexing.com/wenzi/9418027.html
http://www.gexing.com/wenzi/9418019.html
http://www.gexing.com/wenzi/9418015.html
http://www.gexing.com/wenzi/9418033.html
http://www.gexing.com/wenzi/9418034.html
http://www.gexing.com/wenzi/9418030.html
http://www.gexing.com/wenzi/9418026.html
http://www.gexing.com/wenzi/9418037.html
http://www.gexing.com/wenzi/9418041.html
http://www.gexing.com/wenzi/9418042.html
http://www.gexing.com/wenzi/9418043.html
http://www.gexing.com/wenzi/9418038.html
http://www.gexing.com/wenzi/9418046.html
http://www.gexing.com/wenzi/9418048.html
http://www.gexing.com/wenzi/9418040.html
http://www.gexing.com/wenzi/9418056.html
http://www.gexing.com/wenzi/9418045.html
http://www.gexing.com/wenzi/9418039.html
http://www.gexing.com/wenzi/9418049.html
http://www.gexing.com/wenzi/9418050.html
http://www.gexing.com/wenzi/9418064.html
http://www.gexing.com/wenzi/9418057.html
http://www.gexing.com/wenzi/9418058.html
http://www.gexing.com/wenzi/9418059.html
http://www.gexing.com/wenzi/9418060.html
http://www.gexing.com/wenzi/9418083.html
http://www.gexing.com/wenzi/9418066.html
http://www.gexing.com/wenzi/9418067.html
http://www.gexing.com/wenzi/9418068.html
http://www.gexing.com/wenzi/9418082.html
http://www.gexing.com/wenzi/9418103.html
http://www.gexing.com/wenzi/9418085.html
http://www.gexing.com/wenzi/9418097.html
http://www.gexing.com/wenzi/9418107.html
http://www.gexing.com/wenzi/9418109.html
http://www.gexing.com/wenzi/9418105.html
http://www.gexing.com/wenzi/9418098.html
http://www.gexing.com/wenzi/9418116.html
http://www.gexing.com/wenzi/9418101.html
http://www.gexing.com/wenzi/9418120.html
http://www.gexing.com/wenzi/9418117.html
http://www.gexing.com/wenzi/9418123.html
http://www.gexing.com/wenzi/9418119.html
http://www.gexing.com/wenzi/9418129.html
http://www.gexing.com/wenzi/9418121.html
http://www.gexing.com/wenzi/9418124.html
http://www.gexing.com/wenzi/9418125.html
http://www.gexing.com/wenzi/9418128.html
http://www.gexing.com/wenzi/9418135.html
http://www.gexing.com/wenzi/9418136.html
http://www.gexing.com/wenzi/9418132.html
http://www.gexing.com/wenzi/9418133.html
http://www.gexing.com/wenzi/9418134.html
http://www.gexing.com/wenzi/9418130.html
http://www.gexing.com/wenzi/9418141.html
http://www.gexing.com/wenzi/9418142.html
http://www.gexing.com/wenzi/9418143.html
http://www.gexing.com/wenzi/9418144.html
http://www.gexing.com/wenzi/9418140.html
http://www.gexing.com/wenzi/9418137.html
http://www.gexing.com/wenzi/9418138.html
http://www.gexing.com/wenzi/9418139.html
http://www.gexing.com/wenzi/9418145.html
http://www.gexing.com/wenzi/9418152.html
http://www.gexing.com/wenzi/9418147.html
http://www.gexing.com/wenzi/9418146.html
http://www.gexing.com/wenzi/9418161.html
http://www.gexing.com/wenzi/9418164.html
http://www.gexing.com/wenzi/9418160.html
http://www.gexing.com/wenzi/9418167.html
http://www.gexing.com/wenzi/9418170.html
http://www.gexing.com/wenzi/9418176.html
http://www.gexing.com/wenzi/9418178.html
http://www.gexing.com/wenzi/9418168.html
http://www.gexing.com/wenzi/9418183.html
http://www.gexing.com/wenzi/9418185.html
http://www.gexing.com/wenzi/9418187.html
http://www.gexing.com/wenzi/9418175.html
http://www.gexing.com/wenzi/9418180.html
http://www.gexing.com/wenzi/9418169.html
http://www.gexing.com/wenzi/9418198.html
http://www.gexing.com/wenzi/9418199.html
http://www.gexing.com/wenzi/9418191.html
http://www.gexing.com/wenzi/9418204.html
http://www.gexing.com/wenzi/9418196.html
http://www.gexing.com/wenzi/9418189.html
http://www.gexing.com/wenzi/9418210.html
http://www.gexing.com/wenzi/9418212.html
http://www.gexing.com/wenzi/9418203.html
http://www.gexing.com/wenzi/9418216.html
http://www.gexing.com/wenzi/9418221.html
http://www.gexing.com/wenzi/9418222.html
http://www.gexing.com/wenzi/9418224.html
http://www.gexing.com/wenzi/9418226.html
http://www.gexing.com/wenzi/9418227.html
http://www.gexing.com/wenzi/9418194.html
http://www.gexing.com/wenzi/9418215.html
http://www.gexing.com/wenzi/9418206.html
http://www.gexing.com/wenzi/9418237.html
http://www.gexing.com/wenzi/9418239.html
http://www.gexing.com/wenzi/9418243.html
http://www.gexing.com/wenzi/9418244.html
http://www.gexing.com/wenzi/9418236.html
http://www.gexing.com/wenzi/9418248.html
http://www.gexing.com/wenzi/9418250.html
http://www.gexing.com/wenzi/9418253.html
http://www.gexing.com/wenzi/9418254.html
http://www.gexing.com/wenzi/9418255.html
http://www.gexing.com/wenzi/9418256.html
http://www.gexing.com/wenzi/9418242.html
http://www.gexing.com/wenzi/9418259.html
http://www.gexing.com/wenzi/9418260.html
http://www.gexing.com/wenzi/9418261.html
http://www.gexing.com/wenzi/9418240.html
http://www.gexing.com/wenzi/9418263.html
http://www.gexing.com/wenzi/9418264.html
http://www.gexing.com/wenzi/9418265.html
http://www.gexing.com/wenzi/9418268.html
http://www.gexing.com/wenzi/9418271.html
http://www.gexing.com/wenzi/9418272.html
http://www.gexing.com/wenzi/9418276.html
http://www.gexing.com/wenzi/9418278.html
http://www.gexing.com/wenzi/9418280.html
http://www.gexing.com/wenzi/9418282.html
http://www.gexing.com/wenzi/9418284.html
http://www.gexing.com/wenzi/9418246.html
http://www.gexing.com/wenzi/9418262.html
http://www.gexing.com/wenzi/9418258.html
http://www.gexing.com/wenzi/9418292.html
http://www.gexing.com/wenzi/9418293.html
http://www.gexing.com/wenzi/9418295.html
http://www.gexing.com/wenzi/9418299.html
http://www.gexing.com/wenzi/9418290.html
http://www.gexing.com/wenzi/9418303.html
http://www.gexing.com/wenzi/9418305.html
http://www.gexing.com/wenzi/9418307.html
http://www.gexing.com/wenzi/9418297.html
http://www.gexing.com/wenzi/9418296.html
http://www.gexing.com/wenzi/9418301.html
http://www.gexing.com/wenzi/9418310.html
http://www.gexing.com/wenzi/9418313.html
http://www.gexing.com/wenzi/9418314.html
http://www.gexing.com/wenzi/9418308.html
http://www.gexing.com/wenzi/9418309.html
http://www.gexing.com/wenzi/9418311.html
http://www.gexing.com/wenzi/9418312.html
http://www.gexing.com/wenzi/9418319.html
http://www.gexing.com/wenzi/9418315.html
http://www.gexing.com/wenzi/9418316.html
http://www.gexing.com/wenzi/9418317.html
http://www.gexing.com/wenzi/9418318.html
http://www.gexing.com/wenzi/9418329.html
http://www.gexing.com/wenzi/9418336.html
http://www.gexing.com/wenzi/9418339.html
http://www.gexing.com/wenzi/9418322.html
http://www.gexing.com/wenzi/9418320.html
http://www.gexing.com/wenzi/9418340.html
http://www.gexing.com/wenzi/9418350.html
http://www.gexing.com/wenzi/9418355.html
http://www.gexing.com/wenzi/9418357.html
http://www.gexing.com/wenzi/9418351.html
http://www.gexing.com/wenzi/9418360.html
http://www.gexing.com/wenzi/9418361.html
http://www.gexing.com/wenzi/9418363.html
http://www.gexing.com/wenzi/9418364.html
http://www.gexing.com/wenzi/9418366.html
http://www.gexing.com/wenzi/9418368.html
http://www.gexing.com/wenzi/9418369.html
http://www.gexing.com/wenzi/9418370.html
http://www.gexing.com/wenzi/9418371.html
http://www.gexing.com/wenzi/9418372.html
http://www.gexing.com/wenzi/9418321.html
http://www.gexing.com/wenzi/9418356.html
http://www.gexing.com/wenzi/9418374.html
http://www.gexing.com/wenzi/9418376.html
http://www.gexing.com/wenzi/9418377.html
http://www.gexing.com/wenzi/9418378.html
http://www.gexing.com/wenzi/9418373.html
http://www.gexing.com/wenzi/9418359.html
http://www.gexing.com/wenzi/9418385.html
http://www.gexing.com/wenzi/9418388.html
http://www.gexing.com/wenzi/9418389.html
http://www.gexing.com/wenzi/9418391.html
http://www.gexing.com/wenzi/9418392.html
http://www.gexing.com/wenzi/9418375.html
http://www.gexing.com/wenzi/9418384.html
http://www.gexing.com/wenzi/9418395.html
http://www.gexing.com/wenzi/9418398.html
http://www.gexing.com/wenzi/9418401.html
http://www.gexing.com/wenzi/9418396.html
http://www.gexing.com/wenzi/9418402.html
http://www.gexing.com/wenzi/9418406.html
http://www.gexing.com/wenzi/9418407.html
http://www.gexing.com/wenzi/9418400.html
http://www.gexing.com/wenzi/9418405.html
http://www.gexing.com/wenzi/9418417.html
http://www.gexing.com/wenzi/9418418.html
http://www.gexing.com/wenzi/9418408.html
http://www.gexing.com/wenzi/9418411.html
http://www.gexing.com/wenzi/9418413.html
http://www.gexing.com/wenzi/9418422.html
http://www.gexing.com/wenzi/9418432.html
http://www.gexing.com/wenzi/9418434.html
http://www.gexing.com/wenzi/9418420.html
http://www.gexing.com/wenzi/9418421.html
http://www.gexing.com/wenzi/9418445.html
http://www.gexing.com/wenzi/9418419.html
http://www.gexing.com/wenzi/9418449.html
http://www.gexing.com/wenzi/9418450.html
http://www.gexing.com/wenzi/9418452.html
http://www.gexing.com/wenzi/9418453.html
http://www.gexing.com/wenzi/9418447.html
http://www.gexing.com/wenzi/9418439.html
http://www.gexing.com/wenzi/9418455.html
http://www.gexing.com/wenzi/9418442.html
http://www.gexing.com/wenzi/9418456.html
http://www.gexing.com/wenzi/9418454.html
http://www.gexing.com/wenzi/9418458.html
http://www.gexing.com/wenzi/9418459.html
http://www.gexing.com/wenzi/9418463.html
http://www.gexing.com/wenzi/9418464.html
http://www.gexing.com/wenzi/9418466.html
http://www.gexing.com/wenzi/9418460.html
http://www.gexing.com/wenzi/9418462.html
http://www.gexing.com/wenzi/9418461.html
http://www.gexing.com/wenzi/9418465.html
http://www.gexing.com/wenzi/9418457.html
http://www.gexing.com/wenzi/9418470.html
http://www.gexing.com/wenzi/9418468.html
http://www.gexing.com/wenzi/9418469.html
http://www.gexing.com/wenzi/9418472.html