So, you want to get good at LeetCode, especially using Java? It’s a common goal for a lot of us trying to land those tech jobs. This guide is all about helping you get there. We’ll go over how to ...

A spiral matrix is a matrix where elements are traversed in a spiral order, starting from the top-left corner and moving right, down, left, and up in cycles, until all elements have been visited. This ...

for(int i = 0; i < n - 1; i++) result[x--][y] = count++; if(n == 1) result[x][y] = count; for (int i = 0; i < n - 1; i++) result[x][y++] = num++; for (int i = 0; i ...

Abstract: Sparse array designs are a promising approach to improve the beam pattern and imaging quality, especially for applications, where hardware resources are severely limited. In particular, ...

Abstract: Sparse spiral phased arrays are advantageous for many emerging air-coupled ultrasonic applications, since grating lobes are prevented without being constrained to the half-wavelength element ...