結果
問題 | No.2229 Treasure Searching Rod (Hard) |
ユーザー |
![]() |
提出日時 | 2023-11-05 14:06:29 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 63 ms / 2,000 ms |
コード長 | 4,115 bytes |
コンパイル時間 | 1,251 ms |
コンパイル使用メモリ | 123,084 KB |
最終ジャッジ日時 | 2025-02-17 19:25:03 |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 29 |
ソースコード
#include<iostream>#include<vector>#include<algorithm>#include<cstring>#include<cassert>#include<cmath>#include<ctime>#include<iomanip>#include<numeric>#include<stack>#include<queue>#include<map>#include<unordered_map>#include<set>#include<unordered_set>#include<bitset>#include<random>#include<functional>#include<utility>using namespace std;template<class T,T (*op)(T,T),T (*e)()> struct segtree{private:int size,N;vector<T> node;public:segtree(int N = 0) : segtree(vector<T>(N,e())) {}segtree(const vector<T> &V){N = (int)V.size();size = 1;while(size < N) size <<= 1;node.resize(2*size);for(int i = 0;i < N;i++) node[i+size] = V[i];for(int i = size-1;i >= 1;i--) node[i] = op(node[i*2],node[i*2+1]);}void replace(int pos,T x) {func_update(pos,x,[](T u,T v){return u = v;});}void add(int pos,T x) {func_update(pos,x,[](T u,T v){return u + v;});}void func_update(int pos,T x) {func_update(pos,x,op);}void func_update(int pos,T x,T (*func)(T,T)){assert(0 <= pos && pos < N);pos += size;node[pos] = func(node[pos],x);pos >>= 1;while(pos){node[pos] = op(node[pos*2],node[pos*2+1]);pos >>= 1;}}T operator[](int pos){assert(0 <= pos && pos < N);return node[pos+size];}T prod(int l,int r){assert(0 <= l && l <= r && r <= N);T L = e(),R = e();l += size,r += size;while(l < r){if(l & 1) L = op(L,node[l++]);if(r & 1) R = op(node[--r],R);l >>= 1,r >>= 1;}return op(L,R);}T prod() {return node[1];}};int op(int a,int b) {return max(a,b);}int e() {return 0;}template<int m> struct modint{private:unsigned int value;static constexpr int mod() {return m;}public:constexpr modint(const long long x = 0) noexcept{long long y = x;if(y < 0 || y >= mod()){y %= mod();if(y < 0) y += mod();}value = (unsigned int)y;}constexpr unsigned int val() noexcept {return value;}constexpr modint &operator+=(const modint &other) noexcept{value += other.value;if(value >= mod()) value -= mod();return *this;}constexpr modint &operator-=(const modint &other) noexcept{unsigned int x = value;if(x < other.value) x += mod();x -= other.value;value = x;return *this;}constexpr modint &operator*=(const modint &other) noexcept{unsigned long long x = value;x *= other.value;value = (unsigned int) (x % mod());return *this;}constexpr modint &operator/=(const modint &other) noexcept{return *this *= other.inverse();}constexpr modint inverse() const noexcept{assert(value);long long a = value,b = mod(),x = 1,y = 0;while(b){long long q = a/b;a -= q*b; swap(a,b);x -= q*y; swap(x,y);}return modint(x);}constexpr modint power(long long N) const noexcept{assert(N >= 0);modint p = *this,ret = 1;while(N){if(N & 1) ret *= p;p *= p;N >>= 1;}return ret;}constexpr modint operator+() {return *this;}constexpr modint operator-() {return modint() - *this;}constexpr modint &operator++(int) noexcept {return *this += 1;}constexpr modint &operator--(int) noexcept {return *this -= 1;}friend modint operator+(const modint& lhs, const modint& rhs) {return modint(lhs) += rhs;}friend modint operator-(const modint& lhs, const modint& rhs) {return modint(lhs) -= rhs;}friend modint operator*(const modint& lhs, const modint& rhs) {return modint(lhs) *= rhs;}friend modint operator/(const modint& lhs, const modint& rhs) {return modint(lhs) /= rhs;}friend ostream &operator<<(ostream &os,const modint &x) {return os << x.value;}};using mint = modint<998244353>;/* using mint = modint<1000000007>; */int H,W,K;void solve(){cin >> H >> W >> K;mint ans = 0;for(int i = 0;i < K;i++){int x,y,v;cin >> x >> y >> v;mint cur = mint(x)*x;int l = x-y,r = x-(W-y+1);if(l > 0) cur -= (long long)l*(l+1)/2;if(r > 0) cur -= (long long)r*(r+1)/2;ans += cur*v;}cout << ans << endl;}int main(){ios::sync_with_stdio(false);cin.tie(nullptr);int tt = 1;/* cin >> tt; */while(tt--) solve();}