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发表于 2023-12-3 08:26:53
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首先,我们需要先读取输入的m和n,并创建一个大小为m×n的二维数组来表示图像。
- m, n = map(int, input().split())
- image = [[0] * n for _ in range(m)]
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接下来,我们需要读取每个像素点的灰度值,并将其存储到相应的位置上。
- for i in range(m):
- row = list(map(int, input().split()))
- for j in range(n):
- image[i][j] = row[j]
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然后,我们需要依次执行给定的操作。对于每个操作,我们可以使用循环遍历图像的每个像素点,并根据操作类型进行相应的处理。
- operations = input().strip()
- for op in operations:
- if op == 'A':
- # 顺时针旋转90度
- rotated = [[0] * m for _ in range(n)]
- for i in range(m):
- for j in range(n):
- rotated[j][m - i - 1] = image[i][j]
- image = rotated
- m, n = n, m
- elif op == 'B':
- # 逆时针旋转90度
- rotated = [[0] * m for _ in range(n)]
- for i in range(m):
- for j in range(n):
- rotated[n - j - 1][i] = image[i][j]
- image = rotated
- m, n = n, m
- elif op == 'C':
- # 左右翻转
- flipped = [[0] * n for _ in range(m)]
- for i in range(m):
- for j in range(n):
- flipped[i][n - j - 1] = image[i][j]
- image = flipped
- elif op == 'D':
- # 上下翻转
- flipped = [[0] * n for _ in range(m)]
- for i in range(m):
- for j in range(n):
- flipped[m - i - 1][j] = image[i][j]
- image = flipped
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最后,我们需要输出最终图像的灰度值。
- for i in range(m):
- for j in range(n):
- print(image[i][j], end=' ')
- print()
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完整代码如下:
- m, n = map(int, input().split())
- image = [[0] * n for _ in range(m)]
- for i in range(m):
- row = list(map(int, input().split()))
- for j in range(n):
- image[i][j] = row[j]
- operations = input().strip()
- for op in operations:
- if op == 'A':
- rotated = [[0] * m for _ in range(n)]
- for i in range(m):
- for j in range(n):
- rotated[j][m - i - 1] = image[i][j]
- image = rotated
- m, n = n, m
- elif op == 'B':
- rotated = [[0] * m for _ in range(n)]
- for i in range(m):
- for j in range(n):
- rotated[n - j - 1][i] = image[i][j]
- image = rotated
- m, n = n, m
- elif op == 'C':
- flipped = [[0] * n for _ in range(m)]
- for i in range(m):
- for j in range(n):
- flipped[i][n - j - 1] = image[i][j]
- image = flipped
- elif op == 'D':
- flipped = [[0] * n for _ in range(m)]
- for i in range(m):
- for j in range(n):
- flipped[m - i - 1][j] = image[i][j]
- image = flipped
- for i in range(m):
- for j in range(n):
- print(image[i][j], end=' ')
- print()
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希望我对问题的解答能够帮到你。如果你还有其他问题,请随时提问。
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