18 lines
280 B
Python
18 lines
280 B
Python
n, m = map(int, input().split())
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lines = []
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for _ in range(n):
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lines.append(input())
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t = 1
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for col in range(m):
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new_frame = True
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for row in lines:
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if row[col] != "_":
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new_frame = False
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break
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if new_frame:
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t += 1
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print(t)
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