結果
問題 | No.2225 Treasure Searching Rod (Easy) |
ユーザー |
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提出日時 | 2023-02-27 23:53:00 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 6,778 bytes |
コンパイル時間 | 3,021 ms |
コンパイル使用メモリ | 245,300 KB |
実行使用メモリ | 5,376 KB |
最終ジャッジ日時 | 2024-09-15 05:14:58 |
合計ジャッジ時間 | 4,124 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 23 |
ソースコード
// #pragma GCC target("avx")// #pragma GCC optimize("O3")// #pragma GCC optimize("unroll-loops")#include <bits/stdc++.h>using namespace std;#define rep(i,n) for(int i = 0; i < (int)n; i++)#define FOR(n) for(int i = 0; i < (int)n; i++)#define repi(i,a,b) for(int i = (int)a; i < (int)b; i++)#define all(x) x.begin(),x.end()//#define mp make_pair#define vi vector<int>#define vvi vector<vi>#define vvvi vector<vvi>#define vvvvi vector<vvvi>#define pii pair<int,int>#define vpii vector<pair<int,int>>template<typename T>void chmax(T &a, const T &b) {a = (a > b? a : b);}template<typename T>void chmin(T &a, const T &b) {a = (a < b? a : b);}using ll = long long;using ld = long double;using ull = unsigned long long;const ll INF = numeric_limits<long long>::max() / 2;const ld pi = 3.1415926535897932384626433832795028;const ll mod = 998244353;int dx[] = {1, 0, -1, 0, -1, -1, 1, 1};int dy[] = {0, 1, 0, -1, -1, 1, -1, 1};#define int long longtemplate<int MOD>struct Modular_Int {int x;Modular_Int() = default;Modular_Int(int x_) : x(x_ >= 0? x_%MOD : (MOD-(-x_)%MOD)%MOD) {}int val() const {return (x%MOD+MOD)%MOD;}int get_mod() const {return MOD;}Modular_Int<MOD>& operator^=(int d) {Modular_Int<MOD> ret(1);int nx = x;while(d) {if(d&1) ret *= nx;(nx *= nx) %= MOD;d >>= 1;}*this = ret;return *this;}Modular_Int<MOD> operator^(int d) const {return Modular_Int<MOD>(*this) ^= d;}Modular_Int<MOD> pow(int d) const {return Modular_Int<MOD>(*this) ^= d;}//use this basicallyModular_Int<MOD> inv() const {return Modular_Int<MOD>(*this) ^ (MOD-2);}//only if the module number is not prime//Don't use. This is broken.// Modular_Int<MOD> inv() const {// int a = (x%MOD+MOD)%MOD, b = MOD, u = 1, v = 0;// while(b) {// int t = a/b;// a -= t*b, swap(a, b);// u -= t*v, swap(u, v);// }// return Modular_Int<MOD>(u);// }Modular_Int<MOD>& operator+=(const Modular_Int<MOD> other) {if((x += other.x) >= MOD) x -= MOD;return *this;}Modular_Int<MOD>& operator-=(const Modular_Int<MOD> other) {if((x -= other.x) < 0) x += MOD;return *this;}Modular_Int<MOD>& operator*=(const Modular_Int<MOD> other) {int z = x;z *= other.x;z %= MOD;x = z;if(x < 0) x += MOD;return *this;}Modular_Int<MOD>& operator/=(const Modular_Int<MOD> other) {return *this = *this * other.inv();}Modular_Int<MOD>& operator++() {x++;if (x == MOD) x = 0;return *this;}Modular_Int<MOD>& operator--() {if (x == 0) x = MOD;x--;return *this;}Modular_Int<MOD> operator+(const Modular_Int<MOD> other) const {return Modular_Int<MOD>(*this) += other;}Modular_Int<MOD> operator-(const Modular_Int<MOD> other) const {return Modular_Int<MOD>(*this) -= other;}Modular_Int<MOD> operator*(const Modular_Int<MOD> other) const {return Modular_Int<MOD>(*this) *= other;}Modular_Int<MOD> operator/(const Modular_Int<MOD> other) const {return Modular_Int<MOD>(*this) /= other;}Modular_Int<MOD>& operator+=(const int other) {Modular_Int<MOD> other_(other); *this += other_; return *this;}Modular_Int<MOD>& operator-=(const int other) {Modular_Int<MOD> other_(other); *this -= other_; return *this;}Modular_Int<MOD>& operator*=(const int other) {Modular_Int<MOD> other_(other); *this *= other_; return *this;}Modular_Int<MOD>& operator/=(const int other) {Modular_Int<MOD> other_(other); *this /= other_; return *this;}Modular_Int<MOD> operator+(const int other) const {return Modular_Int<MOD>(*this) += other;}Modular_Int<MOD> operator-(const int other) const {return Modular_Int<MOD>(*this) -= other;}Modular_Int<MOD> operator*(const int other) const {return Modular_Int<MOD>(*this) *= other;}Modular_Int<MOD> operator/(const int other) const {return Modular_Int<MOD>(*this) /= other;}bool operator==(const Modular_Int<MOD> other) const {return (*this).val() == other.val();}bool operator!=(const Modular_Int<MOD> other) const {return (*this).val() != other.val();}bool operator==(const int other) const {return (*this).val() == other;}bool operator!=(const int other) const {return (*this).val() != other;}Modular_Int<MOD> operator-() const {return Modular_Int<MOD>(0LL)-Modular_Int<MOD>(*this);}//入れ子にしたい// friend constexpr istream& operator>>(istream& is, mint& x) noexcept {// int X;// is >> X;// x = X;// return is;// }// friend constexpr ostream& operator<<(ostream& os, mint& x) {// os << x.val();// return os;// }};// const int MOD_VAL = 1e9+7;const int MOD_VAL = 998244353;using mint = Modular_Int<MOD_VAL>;istream& operator>>(istream& is, mint& x) {int X;is >> X;x = X;return is;}ostream& operator<<(ostream& os, mint& x) {os << x.val();return os;}// istream& operator<<(istream& is, mint &a) {// int x;// is >> x;// a = mint(x);// return is;// }// ostream& operator<<(ostream& os, mint a) {// os << a.val();// return os;// }// vector<mint> f = {1}, rf = {1};// void init(int n) {// f.resize(n, 0);// rf.resize(n, 0);// f[0] = 1;// repi(i, 1, n) f[i] = (f[i - 1] * i);// repi(i, 0, n) rf[i] = f[i].inv();// }// mint P(int n, int k) {// assert(n>=k);// while(n > f.size()-1) {// f.push_back(f.back() * f.size());// rf.push_back(f.back().inv());// }// return f[n] * f[n-k];// }// mint C(int n, int k) {// assert(n>=k);// while(n > f.size()-1) {// f.push_back(f.back() * f.size());// rf.push_back(f.back().inv());// }// return f[n]*rf[n-k]*rf[k];// }// mint H(int n, int k) {// assert(n>=1);// return C(n+k-1, k);// }// mint Cat(int n) {// return C(2*n, n)-C(2*n, n-1);// }void solve() {int h, w, k;cin >> h >> w >> k;mint ans = 0;FOR(k) {int x, y, v;cin >> x >> y >> v;auto cal = [&](int X, int Y) -> mint {int N = min(X, Y);int M = max(0LL, X - Y);return mint(N)*(N+1)/2 + M*Y;};mint many = cal(x, w-y+1) + cal(x, y) - x;ans += many * v;}cout << ans.val() << endl;}signed main() {cin.tie(nullptr);ios::sync_with_stdio(false);solve();return 0;}