advent-of-code/2022/cpp/08/answer.hpp

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2023-08-02 11:50:10 +02:00
#include "lib.hpp"
#include <cstdint>
#include <string>
#ifndef VERBOSE
#define VERBOSE 0
#endif
#ifndef PART
#define PART 2
#endif
typedef uint8_t Tree;
struct Forest {
uint width, height;
std::vector<Tree> trees;
bool operator==(const Forest& rhs) const {
return this->trees == rhs.trees;
}
uint get_idx(uint x, uint y) {
return y * width + x;
}
Tree tree_at(uint x, uint y) {
return trees[get_idx(x, y)];
}
};
typedef Forest Input;
inline std::ostream& operator<<(std::ostream& os, Input& inp) {
uint col = 0;
for (auto& tree : inp.trees) {
os << tree;
if (++col % inp.width == 0)
os << '\n';
}
return os;
}
Input get_input(const char*);
std::string get_result(Input&);