Traditional backtracking algorithm has been improved by rotating the chessboard matrix and put into solving N-queens counting problem in computer cluster.
通过对n皇后问题棋盘矩阵的旋转，改进了回溯算法，并通过计算机集群并行实现了N皇后的计数问题。
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The result shows that the countingcluster and the morphological cluster show no difference, and the former one is easy to count and practise so that it provides a new method for systematic botany.