num = 1
for i in range(0, round):
# 上边
for j in range(0, n - 1 - 2 * i):
matrix[i][i + j] = num
num = num + 1
# 右边
for j in range(0, n - 1 - 2 * i):
matrix[i + j][n - 1 - i] = num
num = num + 1
# 下边
for j in range(0, n - 1 - 2 * i):
matrix[n - 1 - i][n - 1 - i - j] = num
num = num + 1
# 左边
for j in range(0, n - 1 - 2 * i):
matrix[n - 1 - i - j][i] = num
num = num + 1
# 如果n为奇数，还需要在最中间放最后一个数字
if n % 2 == 1:
matrix[n // 2][n // 2] = num
return matrix
s = Solution1()
nArr = [2, 3, 4]
for i in range(0, len(nArr)):
matrix = s.generateMatrix(nArr[i])
PrintUtil.print_2d_num_array(matrix)
for i in range(0,rowLen):
for j in range(0,columnLen):
if matrix[i][j] == 0:
if rowList.count(i) == 0:
rowList.append(i)
if columnList.count(j) == 0:
columnList.append(j)
for i in range(0,len(rowList)):
matrix[rowList[i]] = [0 for i in range(0,columnLen)]
for i in range(0,len(columnList)):
columnIndex = columnList[i]
for j in range(0,rowLen):
matrix[j][columnIndex] = 0
return
matrixArr = [[
[0,1,2,0],
[3,4,5,2],
[1,3,1,5]
],[
[1,1,1],
[1,0,1],
[1,1,1]
]]
s = Solution1()
for i in range(0,len(matrixArr)):
PrintUtil.print_2d_num_array(matrixArr[i])
print("--------------")
s.setZeroes(matrixArr[i])
PrintUtil.print_2d_num_array(matrixArr[i])
print("--------------")