- 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 ...
8 Course Schedule.java Medium Java [BFS, Backtracking, DFS, Graph, Topological Sort] 9 Course Schedule II.java Medium Java [BFS, DFS, Graph, Topological Sort] 10 Binary Tree Preorder Traversal.java ...
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Abstract: Ultrasound computed tomography (USCT) using ring array technology has shown great potential in breast diagnosis. This study addresses the problems of low imaging resolution and long ...
Abstract: In this paper, we first propose a sub-6 GHz (sub- 6G) and mmWave dual-band reconfigurable antenna array (DBRAA) to enable wireless capabilities in both bands. For the mmWave band, the DBRAA ...