結果
問題 | No.2229 Treasure Searching Rod (Hard) |
ユーザー | KKT89 |
提出日時 | 2024-02-01 16:24:43 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 148 ms / 2,000 ms |
コード長 | 3,674 bytes |
コンパイル時間 | 2,515 ms |
コンパイル使用メモリ | 218,404 KB |
実行使用メモリ | 11,624 KB |
最終ジャッジ日時 | 2024-09-28 10:30:19 |
合計ジャッジ時間 | 8,312 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | AC | 17 ms
11,412 KB |
testcase_01 | AC | 16 ms
11,452 KB |
testcase_02 | AC | 16 ms
11,424 KB |
testcase_03 | AC | 17 ms
11,448 KB |
testcase_04 | AC | 16 ms
11,404 KB |
testcase_05 | AC | 16 ms
11,396 KB |
testcase_06 | AC | 17 ms
11,376 KB |
testcase_07 | AC | 132 ms
11,288 KB |
testcase_08 | AC | 148 ms
11,448 KB |
testcase_09 | AC | 136 ms
11,488 KB |
testcase_10 | AC | 134 ms
11,444 KB |
testcase_11 | AC | 133 ms
11,380 KB |
testcase_12 | AC | 78 ms
11,408 KB |
testcase_13 | AC | 78 ms
11,384 KB |
testcase_14 | AC | 78 ms
11,624 KB |
testcase_15 | AC | 144 ms
11,460 KB |
testcase_16 | AC | 143 ms
11,444 KB |
testcase_17 | AC | 143 ms
11,404 KB |
testcase_18 | AC | 141 ms
11,504 KB |
testcase_19 | AC | 139 ms
11,492 KB |
testcase_20 | AC | 142 ms
11,412 KB |
testcase_21 | AC | 140 ms
11,376 KB |
testcase_22 | AC | 140 ms
11,420 KB |
testcase_23 | AC | 66 ms
11,580 KB |
testcase_24 | AC | 82 ms
11,412 KB |
testcase_25 | AC | 90 ms
11,400 KB |
testcase_26 | AC | 44 ms
11,396 KB |
testcase_27 | AC | 27 ms
11,472 KB |
testcase_28 | AC | 119 ms
11,444 KB |
testcase_29 | AC | 114 ms
11,404 KB |
testcase_30 | AC | 31 ms
11,452 KB |
testcase_31 | AC | 42 ms
11,404 KB |
ソースコード
#pragma GCC optimize("Ofast") #include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef unsigned long long int ull; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } template <int mod> struct static_modint { using mint = static_modint; int x; static_modint() : x(0) {} static_modint(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {} mint &operator+=(const mint &rhs) { if ((x += rhs.x) >= mod) x -= mod; return *this; } mint &operator-=(const mint &rhs) { if ((x += mod - rhs.x) >= mod) x -= mod; return *this; } mint &operator*=(const mint &rhs) { x = (int)(1LL * x * rhs.x % mod); return *this; } mint &operator/=(const mint &rhs) { return *this = *this * rhs.inv(); } mint pow(long long n) const { mint _x = *this, r = 1; while (n) { if (n & 1) r *= _x; _x *= _x; n >>= 1; } return r; } mint inv() const { return pow(mod - 2); } mint operator+() const { return *this; } mint operator-() const { return mint() - *this; } friend mint operator+(const mint &lhs, const mint &rhs) { return mint(lhs) += rhs; } friend mint operator-(const mint &lhs, const mint &rhs) { return mint(lhs) -= rhs; } friend mint operator*(const mint &lhs, const mint &rhs) { return mint(lhs) *= rhs; } friend mint operator/(const mint &lhs, const mint &rhs) { return mint(lhs) /= rhs; } friend bool operator==(const mint &lhs, const mint &rhs) { return lhs.x == rhs.x; } friend bool operator!=(const mint &lhs, const mint &rhs) { return lhs.x != rhs.x; } friend ostream &operator<<(ostream &os, const mint &p) { return os << p.x; } friend istream &operator>>(istream &is, mint &a) { int64_t t; is >> t; a = static_modint<mod>(t); return (is); } }; const unsigned int mod = 998244353; using modint = static_modint<mod>; modint mod_pow(ll n, ll x) { return modint(n).pow(x); } modint mod_pow(modint n, ll x) { return n.pow(x); } template <typename T> struct Comination { vector<T> p, invp; Comination(int sz) : p(sz + 1), invp(sz + 1) { p[0] = 1; for (int i = 1; i <= sz; ++i) { p[i] = p[i - 1] * i; } invp[sz] = p[sz].inv(); for (int i = sz - 1; i >= 0; --i) { invp[i] = invp[i + 1] * (i + 1); } } T comb(int n, int r) { if (r < 0 or n < r) return 0; return p[n] * invp[n - r] * invp[r]; } T big_comb(T n, int r) { T res = invp[r]; for (int i = 0; i < r; ++i) { res *= (n - i); } return res; } }; using Comb = Comination<modint>; Comb p(1 << 20); int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int h, w, k; cin >> h >> w >> k; modint res = 0; for (int i = 0; i < k; i++) { int x, y, z; cin >> x >> y >> z; x -= 1, y -= 1; modint ad = 0; ad += x + 1; // right { if (y + x < w) { ad += (modint)x * (x + 1) / 2; } else { int c = w - 1 - y; ad += (modint)c * (c + 1) / 2 + (modint)(x - c) * c; } } // left { if (y - x >= 0) { ad += (modint)x * (x + 1) / 2; } else { int c = y; ad += (modint)c * (c + 1) / 2 + (modint)(x - c) * c; } } res += ad * z; } cout << res << endl; }