LintCode 433. 岛屿的个数(Number of Islands) 代码: class Solution: """ @param grid: a boolean 2D matrix @return: an integer """ def numIslands(self, grid): # write your code here n_Islands=0 n_rows=len(grid) if n_rows: n_cols=len(gri…
CASE WHEN THEN随手练,就当做练习指法吧 --drop table tbStudent GO Create table tbStudent( studentId int identity(1,1), fSex varchar(12), fProvince varchar(32) ) GO INSERT INTO tbStudent(fsex,fProvince) values('男','江西省'), ('男','广东省'), ('男','浙江省'), ('女','江西省'), ('男…
To the Max http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=1074 动态规划(O(n^3)) 获得一维数组的最大子数组和:(O(n)) int MaxSubSum(int* arr, int n) { << , t = ; ; i < n; i++) { t += arr[i]; if (t > max) max = t; ) { t = ; } } return max; } 目标: 通过一维数…