template/grid.hpp

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• Last update: 2026-08-17 09:25:20+09:00
• Include: #include "template/grid.hpp"

Code

// template/grid.hpp
auto isin = [&](int x, int y) -> bool {
  return (0 <= x && x < H && 0 <= y && y < W);
};
int dx[] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
auto idx = [&](int x, int y) -> int { return W * x + y; };

#line 1 "template/grid.hpp"
// template/grid.hpp
auto isin = [&](int x, int y) -> bool {
  return (0 <= x && x < H && 0 <= y && y < W);
};
int dx[] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[] = {0, 1, 0, -1, 1, -1, 1, -1};
auto idx = [&](int x, int y) -> int { return W * x + y; };

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