結果
| 問題 |
No.1548 [Cherry 2nd Tune B] 貴方と私とサイクルとモーメント
|
| コンテスト | |
| ユーザー |
ei1333333
|
| 提出日時 | 2021-06-11 22:43:02 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 127 ms / 4,500 ms |
| コード長 | 9,210 bytes |
| コンパイル時間 | 2,618 ms |
| コンパイル使用メモリ | 213,856 KB |
| 最終ジャッジ日時 | 2025-01-22 06:22:30 |
|
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 42 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
//const int mod = 1e9 + 7;
const int mod = 998244353;
const int64 infll = (1LL << 62) - 1;
const int inf = (1 << 30) - 1;
struct IoSetup {
IoSetup() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
cerr << fixed << setprecision(10);
}
} iosetup;
template< typename T1, typename T2 >
ostream &operator<<(ostream &os, const pair< T1, T2 > &p) {
os << p.first << " " << p.second;
return os;
}
template< typename T1, typename T2 >
istream &operator>>(istream &is, pair< T1, T2 > &p) {
is >> p.first >> p.second;
return is;
}
template< typename T >
ostream &operator<<(ostream &os, const vector< T > &v) {
for(int i = 0; i < (int) v.size(); i++) {
os << v[i] << (i + 1 != v.size() ? " " : "");
}
return os;
}
template< typename T >
istream &operator>>(istream &is, vector< T > &v) {
for(T &in : v) is >> in;
return is;
}
template< typename T1, typename T2 >
inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template< typename T1, typename T2 >
inline bool chmin(T1 &a, T2 b) {
if(b < 0)b *= -1;
return a > b && (a = b, true);
}
template< typename T = int64 >
vector< T > make_v(size_t a) {
return vector< T >(a);
}
template< typename T, typename... Ts >
auto make_v(size_t a, Ts... ts) {
return vector< decltype(make_v< T >(ts...)) >(a, make_v< T >(ts...));
}
template< typename T, typename V >
typename enable_if< is_class< T >::value == 0 >::type fill_v(T &t, const V &v) {
t = v;
}
template< typename T, typename V >
typename enable_if< is_class< T >::value != 0 >::type fill_v(T &t, const V &v) {
for(auto &e : t) fill_v(e, v);
}
template< typename F >
struct FixPoint : F {
FixPoint(F &&f) : F(forward< F >(f)) {}
template< typename... Args >
decltype(auto) operator()(Args &&... args) const {
return F::operator()(*this, forward< Args >(args)...);
}
};
template< typename F >
inline decltype(auto) MFP(F &&f) {
return FixPoint< F >{forward< F >(f)};
}
template< int mod >
struct ModInt {
int x;
ModInt() : x(0) {}
ModInt(int64_t y) : x(y >= 0 ? y % mod : (mod - (-y) % mod) % mod) {}
ModInt &operator+=(const ModInt &p) {
if((x += p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator-=(const ModInt &p) {
if((x += mod - p.x) >= mod) x -= mod;
return *this;
}
ModInt &operator*=(const ModInt &p) {
x = (int) (1LL * x * p.x % mod);
return *this;
}
ModInt &operator/=(const ModInt &p) {
*this *= p.inverse();
return *this;
}
ModInt operator-() const { return ModInt(-x); }
ModInt operator+(const ModInt &p) const { return ModInt(*this) += p; }
ModInt operator-(const ModInt &p) const { return ModInt(*this) -= p; }
ModInt operator*(const ModInt &p) const { return ModInt(*this) *= p; }
ModInt operator/(const ModInt &p) const { return ModInt(*this) /= p; }
bool operator==(const ModInt &p) const { return x == p.x; }
bool operator!=(const ModInt &p) const { return x != p.x; }
ModInt inverse() const {
int a = x, b = mod, u = 1, v = 0, t;
while(b > 0) {
t = a / b;
swap(a -= t * b, b);
swap(u -= t * v, v);
}
return ModInt(u);
}
ModInt pow(int64_t n) const {
ModInt ret(1), mul(x);
while(n > 0) {
if(n & 1) ret *= mul;
mul *= mul;
n >>= 1;
}
return ret;
}
friend ostream &operator<<(ostream &os, const ModInt &p) {
return os << p.x;
}
friend istream &operator>>(istream &is, ModInt &a) {
int64_t t;
is >> t;
a = ModInt< mod >(t);
return (is);
}
static int get_mod() { return mod; }
};
using modint = ModInt< mod >;
/**
* @brief Lazy-Segment-Tree(遅延伝搬セグメント木)
* @docs docs/lazy-segment-tree.md
*/
template< typename Monoid, typename OperatorMonoid, typename F, typename G, typename H >
struct LazySegmentTree {
int sz, height;
vector< Monoid > data;
vector< OperatorMonoid > lazy;
const F f;
const G g;
const H h;
const Monoid M1;
const OperatorMonoid OM0;
LazySegmentTree(int n, const F f, const G g, const H h,
const Monoid &M1, const OperatorMonoid OM0)
: f(f), g(g), h(h), M1(M1), OM0(OM0) {
sz = 1;
height = 0;
while(sz < n) sz <<= 1, height++;
data.assign(2 * sz, M1);
lazy.assign(2 * sz, OM0);
}
void set(int k, const Monoid &x) {
data[k + sz] = x;
}
void build() {
for(int k = sz - 1; k > 0; k--) {
data[k] = f(data[2 * k + 0], data[2 * k + 1]);
}
}
inline void propagate(int k) {
if(lazy[k] != OM0) {
lazy[2 * k + 0] = h(lazy[2 * k + 0], lazy[k]);
lazy[2 * k + 1] = h(lazy[2 * k + 1], lazy[k]);
data[k] = apply(k);
lazy[k] = OM0;
}
}
inline Monoid apply(int k) {
return lazy[k] == OM0 ? data[k] : g(data[k], lazy[k]);
}
inline void recalc(int k) {
while(k >>= 1) data[k] = f(apply(2 * k + 0), apply(2 * k + 1));
}
inline void thrust(int k) {
for(int i = height; i > 0; i--) propagate(k >> i);
}
void update(int a, int b, const OperatorMonoid &x) {
if(a >= b) return;
thrust(a += sz);
thrust(b += sz - 1);
for(int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if(l & 1) lazy[l] = h(lazy[l], x), ++l;
if(r & 1) --r, lazy[r] = h(lazy[r], x);
}
recalc(a);
recalc(b);
}
Monoid query(int a, int b) {
if(a >= b) return M1;
thrust(a += sz);
thrust(b += sz - 1);
Monoid L = M1, R = M1;
for(int l = a, r = b + 1; l < r; l >>= 1, r >>= 1) {
if(l & 1) L = f(L, apply(l++));
if(r & 1) R = f(apply(--r), R);
}
return f(L, R);
}
Monoid operator[](const int &k) {
return query(k, k + 1);
}
template< typename C >
int find_subtree(int a, const C &check, Monoid &M, bool type) {
while(a < sz) {
propagate(a);
Monoid nxt = type ? f(apply(2 * a + type), M) : f(M, apply(2 * a + type));
if(check(nxt)) a = 2 * a + type;
else M = nxt, a = 2 * a + 1 - type;
}
return a - sz;
}
template< typename C >
int find_first(int a, const C &check) {
Monoid L = M1;
if(a <= 0) {
if(check(f(L, apply(1)))) return find_subtree(1, check, L, false);
return -1;
}
thrust(a + sz);
int b = sz;
for(a += sz, b += sz; a < b; a >>= 1, b >>= 1) {
if(a & 1) {
Monoid nxt = f(L, apply(a));
if(check(nxt)) return find_subtree(a, check, L, false);
L = nxt;
++a;
}
}
return -1;
}
template< typename C >
int find_last(int b, const C &check) {
Monoid R = M1;
if(b >= sz) {
if(check(f(apply(1), R))) return find_subtree(1, check, R, true);
return -1;
}
thrust(b + sz - 1);
int a = sz;
for(b += sz; a < b; a >>= 1, b >>= 1) {
if(b & 1) {
Monoid nxt = f(apply(--b), R);
if(check(nxt)) return find_subtree(b, check, R, true);
R = nxt;
}
}
return -1;
}
};
template< typename Monoid, typename OperatorMonoid, typename F, typename G, typename H >
LazySegmentTree< Monoid, OperatorMonoid, F, G, H > get_lazy_segment_tree
(int N, const F &f, const G &g, const H &h, const Monoid &M1, const OperatorMonoid &OM0) {
return {N, f, g, h, M1, OM0};
}
int main() {
int N;
cin >> N;
vector< modint > A(N);
cin >> A;
int Q;
cin >> Q;
using arr = array< modint, 5 >;
arr base;
for(int i = 0; i < 5; i++) base[i] = 0;
auto f = [](const arr &a, const arr &b) {
arr md;
for(int i = 0; i < 5; i++) md[i] = a[i] + b[i];
return md;
};
auto g = [](const arr &a, const arr &b) {
arr md = a;
for(int i = 1; i < 5; i++)md[i] = b[i] * a[0];
return md;
};
auto h = [](const arr &a, const arr &b) {
return b;
};
auto seg = get_lazy_segment_tree(N, f, g, h, base, base);
for(int i = 0; i < N; i++) {
arr v;
v[0] = 1;
modint a = A[i];
for(int j = 1; j < 5; j++) {
v[j] = a;
a *= A[i];
}
seg.set(i, v);
}
seg.build();
while(Q--) {
int t, u, v, w;
cin >> t >> u >> v >> w;
--u, --v, --w;
if(u > v) {
swap(u, v);
}
if(t == 0) {
modint b;
cin >> b;
arr vv;
vv[0] = 0;
modint a = b;
for(int j = 1; j < 5; j++) {
vv[j] = a;
a *= b;
}
if(u < w and w < v) {
seg.update(u, v + 1, vv);
} else {
seg.update(0, u + 1, vv);
seg.update(v, N, vv);
}
} else {
arr ans = base;
if(u < w and w < v) {
ans = f(ans, seg.query(u, v + 1));
} else {
ans = f(ans, seg.query(0, u + 1));
ans = f(ans, seg.query(v, N));
}
modint l = ans[0];
modint m = ans[1] / l;
if(t == 1) {
cout << (ans[1] - m * l) / l << "\n";
} else if(t == 2) {
cout << (ans[2] - ans[1] * m * 2 + m * m * l) / l << "\n";
} else if(t == 3) {
cout << (ans[3] - ans[2] * m * 3 + ans[1] * m * m * 3 - m * m * m * l) / l << "\n";
} else {
cout << (ans[4] - ans[3] * m * 4 + ans[2] * m * m * 6 - ans[1] * m * m * m * 4 + m * m * m * m * l) / l << "\n";
}
}
}
}
ei1333333