8 lines
287 B
Python
8 lines
287 B
Python
import sys
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H, W, X, Y = map(int, sys.stdin.readline().strip().split())
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B = [list(map(int, sys.stdin.readline().strip().split())) for _ in range(H+X)]
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for i in range(X,H):
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for j in range(Y,W):
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B[i][j] = B[i][j] - B[i-X][j-Y]
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for result in B[:H] :
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print(*result[:W]) |