#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; // using Int = long long; template ostream &operator<<(ostream &os, const pair &a) { return os << "(" << a.first << ", " << a.second << ")"; }; template ostream &operator<<(ostream &os, const vector &as) { const int sz = as.size(); os << "["; for (int i = 0; i < sz; ++i) { if (i >= 256) { os << ", ..."; break; } if (i > 0) { os << ", "; } os << as[i]; } return os << "]"; } template void pv(T a, T b) { for (T i = a; i != b; ++i) cerr << *i << " "; cerr << endl; } template bool chmin(T &t, const T &f) { if (t > f) { t = f; return true; } return false; } template bool chmax(T &t, const T &f) { if (t < f) { t = f; return true; } return false; } #define COLOR(s) ("\x1b[" s "m") #ifndef LIBRA_OTHER_INT128_H_ #define LIBRA_OTHER_INT128_H_ #include #include constexpr unsigned __int128 toUInt128(const char *s) { unsigned __int128 x = 0; for (; *s; ++s) x = x * 10 + (*s - '0'); return x; } constexpr __int128 toInt128(const char *s) { if (*s == '-') return -toInt128(s + 1); __int128 x = 0; for (; *s; ++s) x = x * 10 + (*s - '0'); return x; } unsigned __int128 inUInt128() { static char buf[41]; scanf("%s", buf); return toUInt128(buf); } __int128 inInt128() { static char buf[41]; scanf("%s", buf); return toInt128(buf); } void out(unsigned __int128 x) { static char buf[41]; int len = 0; do { buf[len++] = '0' + static_cast(x % 10); } while (x /= 10); for (int i = len; --i >= 0; ) putchar(buf[i]); } void out(__int128 x) { if (x < 0) { putchar('-'); out(-static_cast(x)); } else { out(static_cast(x)); } } std::ostream &operator<<(std::ostream &os, unsigned __int128 x) { static char buf[41]; int len = 0; do { buf[len++] = '0' + static_cast(x % 10); } while (x /= 10); for (int i = len; --i >= 0; ) os << buf[i]; return os; } std::ostream &operator<<(std::ostream &os, __int128 x) { if (x < 0) { os << '-' << -static_cast(x); } else { os << static_cast(x); } return os; } #endif // LIBRA_OTHER_INT128_H_ using INT = __int128; constexpr INT INF = toInt128("1002003004005006007006005004003002001"); #define abs my_abs INT abs(INT x) { return (x < 0) ? -x : x; } #define MAX [810][810] int N; INT H MAX; char C MAX; INT A MAX, B MAX; int id(int x, int y) { return x * N + y; } vector, INT>> es; void ae(int u, int v, INT c) { // cerr<<"[ae] "<