34 lines
593 B
Text
34 lines
593 B
Text
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F pascal_upp(n)
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V s = [[0] * n] * n
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s[0] = [1] * n
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L(i) 1 .< n
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L(j) i .< n
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s[i][j] = s[i - 1][j - 1] + s[i][j - 1]
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R s
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F pascal_low(n)
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V upp = pascal_upp(n)
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V s = [[0] * n] * n
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L(x) 0 .< n
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L(y) 0 .< n
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s[y][x] = upp[x][y]
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R s
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F pascal_sym(n)
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V s = [[1] * n] * n
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L(i) 1 .< n
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L(j) 1 .< n
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s[i][j] = s[i - 1][j] + s[i][j - 1]
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R s
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F pp(mat)
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print(‘[’mat.map(String).join(",\n ")‘]’)
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-V n = 5
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print(‘Upper:’)
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pp(pascal_upp(n))
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print("\nLower:")
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pp(pascal_low(n))
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print("\nSymmetric:")
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pp(pascal_sym(n))
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