結果
問題 | No.1596 Distance Sum in 2D Plane |
ユーザー | Novi |
提出日時 | 2021-07-10 18:58:54 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,746 bytes |
コンパイル時間 | 3,979 ms |
コンパイル使用メモリ | 232,264 KB |
実行使用メモリ | 12,800 KB |
最終ジャッジ日時 | 2024-07-02 02:44:38 |
合計ジャッジ時間 | 5,822 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 10 ms
7,936 KB |
testcase_15 | AC | 10 ms
7,936 KB |
testcase_16 | AC | 10 ms
7,936 KB |
testcase_17 | AC | 9 ms
7,936 KB |
testcase_18 | AC | 10 ms
7,936 KB |
testcase_19 | AC | 9 ms
7,936 KB |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> using namespace std; using ll = long long; #define int ll #define rng(i, a, b) for (int i = int(a); i < int(b); i++) #define rep(i, b) rng(i, 0, b) #define ALL(a) (a).begin(), (a).end() template <class t, class u> void chmax(t& a, u b) { if (a < b) a = b; } template <class t, class u> void chmin(t& a, u b) { if (b < a) a = b; } template <class t> using vc = vector<t>; template <class t> using vvc = vc<vc<t>>; using pi = pair<int, int>; using vi = vc<int>; using uint = unsigned; using ull = unsigned long long; int popcount(signed t) { return __builtin_popcount(t); } int popcount(ll t) { return __builtin_popcountll(t); } bool ispow2(int i) { return i && (i & -i) == i; } ll mask(int i) { return (ll(1) << i) - 1; } int lcm(int a, int b) { return a / __gcd(a, b) * b; } template <int MOD> struct Fp { long long val; constexpr Fp(long long v = 0) noexcept : val(v % MOD) { if (val < 0) v += MOD; } constexpr int getmod() { return MOD; } constexpr Fp operator-() const noexcept { return val ? MOD - val : 0; } constexpr Fp operator+(const Fp& r) const noexcept { return Fp(*this) += r; } constexpr Fp operator-(const Fp& r) const noexcept { return Fp(*this) -= r; } constexpr Fp operator*(const Fp& r) const noexcept { return Fp(*this) *= r; } constexpr Fp operator/(const Fp& r) const noexcept { return Fp(*this) /= r; } constexpr Fp& operator+=(const Fp& r) noexcept { val += r.val; if (val >= MOD) val -= MOD; return *this; } constexpr Fp& operator-=(const Fp& r) noexcept { val -= r.val; if (val < 0) val += MOD; return *this; } constexpr Fp& operator*=(const Fp& r) noexcept { val = val * r.val % MOD; return *this; } constexpr Fp& operator/=(const Fp& r) noexcept { long long a = r.val, b = MOD, u = 1, v = 0; while (b) { long long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } val = val * u % MOD; if (val < 0) val += MOD; return *this; } constexpr bool operator==(const Fp& r) const noexcept { return this->val == r.val; } constexpr bool operator!=(const Fp& r) const noexcept { return this->val != r.val; } friend constexpr ostream& operator<<(ostream& os, const Fp<MOD>& x) noexcept { return os << x.val; } friend constexpr istream& operator>>(istream& is, Fp<MOD>& x) noexcept { return is >> x.val; } friend constexpr Fp<MOD> modpow(const Fp<MOD>& a, long long n) noexcept { if (n == 0) return 1; auto t = modpow(a, n / 2); t = t * t; if (n & 1) t = t * a; return t; } }; // 二項係数ライブラリ template <class T> struct BiCoef { vector<T> fact_, inv_, finv_; constexpr BiCoef() {} constexpr BiCoef(int n) noexcept : fact_(n, 1), inv_(n, 1), finv_(n, 1) { init(n); } constexpr void init(int n) noexcept { fact_.assign(n, 1), inv_.assign(n, 1), finv_.assign(n, 1); int MOD = fact_[0].getmod(); for (int i = 2; i < n; i++) { fact_[i] = fact_[i - 1] * i; inv_[i] = -inv_[MOD % i] * (MOD / i); finv_[i] = finv_[i - 1] * inv_[i]; } } constexpr T com(int n, int k) const noexcept { if (n < k || n < 0 || k < 0) return 0; return fact_[n] * finv_[k] * finv_[n - k]; } constexpr T fact(int n) const noexcept { if (n < 0) return 0; return fact_[n]; } constexpr T inv(int n) const noexcept { if (n < 0) return 0; return inv_[n]; } constexpr T finv(int n) const noexcept { if (n < 0) return 0; return finv_[n]; } }; const int MOD = 1000000007; using mint = Fp<MOD>; signed main() { cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(20); int n, m; cin >> n >> m; vc<int> t(m), x(m), y(m); rep(i, m) cin >> t[i] >> x[i] >> y[i]; BiCoef<mint> bc; bc.init(200200); mint ans = bc.com(2 * n, n) * mint(2LL * n); for (int i = 0; i < m; i++) { if (t[i] == 1) { // Type1 mint p1 = bc.com(x[i] + y[i], y[i]); mint p2 = bc.com((n - (x[i] + 1) + n - y[i]), n - y[i]); ans -= p1 * p2; } else { // Type2 mint p1 = bc.com(x[i] + y[i], y[i]); mint p2 = bc.com(n - x[i] + n - (y[i] + 1), n - (y[i] + 1)); ans -= p1 * p2; } } cout << ans << endl; }