38 lines
675 B
C++
38 lines
675 B
C++
// vim: set ts=2 sw=2 et tw=80:
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#include <cassert>
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#include <map>
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class checker {
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struct pos {
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unsigned x;
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unsigned y;
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pos(unsigned x, unsigned y) : x(x), y(y) {};
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};
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unsigned c;
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unsigned r;
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std::map<pos, bool> map;
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public:
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checker(unsigned c, unsigned r) : c(c), r(r), map() {}
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void visit(unsigned int x, unsigned int y);
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bool visited(unsigned x, unsigned y);
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};
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void checker::visit(unsigned x, unsigned y) {
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this->map[pos(] = true;
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}
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bool checker::visited(unsigned x, unsigned y) {
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return this->map[x * this->c + y];
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}
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int main() {
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checker a(10, 10);
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a.visit(1, 1);
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assert(a.visited(1,1));
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assert(!a.visited(1,0));
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}
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