arr = [[0] * 6 for row in range(6)] # 声明矩阵arr data = [[1, 2], [2, 1], [2, 3], [2, 4], [4, 3], [4, 1]] # 图各边的起点值和终点值 for i in range(6): # 读取图的数据 # print(data[0]) for j in range(6): # 填入arr矩阵 tmpi = data[i][0] # tmpi为起始顶点 tmpj = data[i][1] # tmpj为终止顶点 arr[tmpi][tmpj] = 1 # 有边的点填入1 print('有向图矩阵：') for i in range(1, 6): for j in range(1, 6): print('[%d] ' % arr[i][j], end='') # 打印矩阵内容 print()
