摘要：
Take the following nums as an exmpel : [2,4,3,1] The 4, 3, 1 is a decending order, it cannot be larger any more. How we can make 2,4,3,1 larger? we ne 阅读全文
摘要：
This problem is very easy to solve if using bruteforece solution, the time complexity is O(n). public double myPow(double x, int n) { if (n == 0) retu 阅读全文
摘要：
This is two points problem, just concentrate and carefully deal with the characters, then the problem can be solved. This is a very good problem for w 阅读全文
摘要：
This is the same problem with https://www.cnblogs.com/feiflytech/p/15862380.html public int[][] generateMatrix(int n) { int[][] matrix = new int[n][n] 阅读全文
摘要：
This is an exactly same problem with "59. Spiral Matrix II". I set every direction as a status, when one direction was implemented, the current status 阅读全文