- 需要记录在0 ~ i点(包括nums[i], 以nums[i]结尾)的sum, 坐标型动态规划. write a function to check if the array has a continuous subarray of size at least 2 that sums up to the multiple of k, that is, sums up to n*k where ...

* Q. Given an array arr[] that contains positive and negative integers (may contain 0 as well). Find the maximum product * that we can get in a subarray of arr[]. * Note: It is guaranteed that the ...