Function zigzag_path_lr

utils/utils_zigzag.py:145–152

(N, start_row=0, start_col=0, dir_row=1, dir_col=1)

def zigzag_path(N):
    def zigzag_path_lr(N, start_row=0, start_col=0, dir_row=1, dir_col=1):
        path = []
        for i in range(N):
            for j in range(N):
                # If the row number is even, move right; otherwise, move left
                col = j if i % 2 == 0 else N - 1 - j
                path.append((start_row + dir_row * i) * N + start_col + dir_col * col)
        return path

    def zigzag_path_tb(N, start_row=0, start_col=0, dir_row=1, dir_col=1):
        path = []