32 lines
548 B
C++
32 lines
548 B
C++
// Copyright (C) 2005, Ondra Kamenik
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// $Id: pascal_triangle.h 762 2006-05-22 13:00:07Z kamenik $
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#ifndef PASCAL_TRIANGLE_H
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#define PASCAL_TRIANGLE_H
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#include <vector>
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class PascalRow : public std::vector<int>
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{
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int k{1};
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public:
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PascalRow() : std::vector<int>{}
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{
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push_back(2);
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}
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void setFromPrevious(const PascalRow &prev);
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void prolong(const PascalRow &prev);
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void prolongFirst(int n);
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void print() const;
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};
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namespace PascalTriangle
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{
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void ensure(int n, int k);
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int noverk(int n, int k);
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void print();
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};
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#endif
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