結果
問題 | No.880 Yet Another Segment Tree Problem |
ユーザー | Amarsanaa Sana |
提出日時 | 2021-11-07 18:33:24 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 11,275 bytes |
コンパイル時間 | 1,666 ms |
コンパイル使用メモリ | 142,652 KB |
実行使用メモリ | 20,940 KB |
最終ジャッジ日時 | 2024-09-22 20:00:14 |
合計ジャッジ時間 | 18,482 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 | 2 ms
20,940 KB |
testcase_01 | AC | 3 ms
5,376 KB |
testcase_02 | AC | 4 ms
5,376 KB |
testcase_03 | AC | 4 ms
5,376 KB |
testcase_04 | AC | 4 ms
5,376 KB |
testcase_05 | AC | 3 ms
5,376 KB |
testcase_06 | AC | 2 ms
5,376 KB |
testcase_07 | AC | 3 ms
5,376 KB |
testcase_08 | AC | 4 ms
5,376 KB |
testcase_09 | AC | 4 ms
5,376 KB |
testcase_10 | AC | 3 ms
5,376 KB |
testcase_11 | AC | 539 ms
14,964 KB |
testcase_12 | AC | 519 ms
15,064 KB |
testcase_13 | AC | 374 ms
14,704 KB |
testcase_14 | AC | 513 ms
15,488 KB |
testcase_15 | AC | 538 ms
15,388 KB |
testcase_16 | AC | 565 ms
15,348 KB |
testcase_17 | AC | 464 ms
15,612 KB |
testcase_18 | AC | 471 ms
15,540 KB |
testcase_19 | AC | 301 ms
15,404 KB |
testcase_20 | AC | 314 ms
15,520 KB |
testcase_21 | AC | 317 ms
15,280 KB |
testcase_22 | AC | 301 ms
15,484 KB |
testcase_23 | AC | 310 ms
15,240 KB |
testcase_24 | AC | 276 ms
15,464 KB |
testcase_25 | AC | 281 ms
15,528 KB |
testcase_26 | AC | 292 ms
15,284 KB |
testcase_27 | AC | 278 ms
15,548 KB |
testcase_28 | AC | 292 ms
15,328 KB |
testcase_29 | AC | 498 ms
15,248 KB |
testcase_30 | AC | 525 ms
15,444 KB |
testcase_31 | AC | 560 ms
15,348 KB |
testcase_32 | TLE | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
ソースコード
#include <algorithm> #include <iostream> #include <vector> #include <map> #include <cstdio> #include <string> #include <cmath> #include <queue> #include <tuple> #include <bitset> #include <cassert> #include <chrono> #include <cstring> #include <iomanip> #include <iostream> #include <random> #include <set> #include <stack> #include <time.h> #include <unordered_map> #include <unordered_set> // #include <bits/stdc++.h> #include <complex> #define maxs(x,y) x = max(x,y) #define mins(x,y) x = min(x,y) #define rep(i,n) for(int i=0;(i)<(n);(i)++) #define repr(i, n) for (int i = (n) - 1; i >= 0; i--) #define FOR(i,i0,n) for(int (i)=(i0);(i)<(n);(i)++) #define FORR(i,i0,n) for(int (i)=(n)-1; (i)>=(i0);(i)--) #define SORT(x) sort(x.begin(),x.end()) #define SORTR(x) sort(x.begin(),x.end(),greater<int>()) #define fi first #define se second #define pb push_back #define eb emplace_back #define mt make_tuple using namespace std; using ll = long long; using LL = long long; using comp = complex<long double>; typedef std::pair<int, int> pii; typedef std::pair<int, double> pid; typedef std::vector<int> vi; typedef std::vector<pii> vii; const double PI = 3.14159265358979323846264338327950L; int mod = 998244353; const ll INFLL = 1LL<<62; const int INF = 1<<30; comp inC(){ double x,y; cin >> x >> y; return {x,y}; } void tle(){ rep(i,2002002002002) continue; } struct mint { ll x; // typedef long long ll; mint(ll x=0):x((x%mod+mod)%mod){} mint operator-() const { return mint(-x);} mint& operator+=(const mint a) { if ((x += a.x) >= mod) x -= mod; return *this; } mint& operator-=(const mint a) { if ((x += mod-a.x) >= mod) x -= mod; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= mod; return *this;} mint operator+(const mint a) const { return mint(*this) += a;} mint operator-(const mint a) const { return mint(*this) -= a;} mint operator*(const mint a) const { return mint(*this) *= a;} mint pow(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod mint inv() const { return pow(mod-2);} mint& operator/=(const mint a) { return *this *= a.inv();} mint operator/(const mint a) const { return mint(*this) /= a;} }; istream& operator>>(istream& is, mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} struct combination { vector<mint> fact, ifact; combination(int n):fact(n+1),ifact(n+1) { assert(n < mod); fact[0] = 1; for (int i = 1; i <= n; ++i) fact[i] = fact[i-1]*i; ifact[n] = fact[n].inv(); for (int i = n; i >= 1; --i) ifact[i-1] = ifact[i]*i; } mint operator()(int n, int k) { if (k < 0 || k > n) return 0; return fact[n]*ifact[k]*ifact[n-k]; } } comb(202); #ifndef ATCODER_LAZYSEGTREE_HPP #define ATCODER_LAZYSEGTREE_HPP 1 // #include "atcoder/internal_bit" #ifndef ATCODER_INTERNAL_BITOP_HPP #define ATCODER_INTERNAL_BITOP_HPP 1 #ifdef _MSC_VER #include <intrin.h> #endif namespace atcoder { namespace internal { // @param n `0 <= n` // @return minimum non-negative `x` s.t. `n <= 2**x` int ceil_pow2(int n) { int x = 0; while ((1U << x) < (unsigned int)(n)) x++; return x; } // @param n `1 <= n` // @return minimum non-negative `x` s.t. `(n & (1 << x)) != 0` int bsf(unsigned int n) { #ifdef _MSC_VER unsigned long index; _BitScanForward(&index, n); return index; #else return __builtin_ctz(n); #endif } } // namespace internal } // namespace atcoder #endif // ATCODER_INTERNAL_BITOP_HPP namespace atcoder { template <class S, S (*op)(S, S), S (*e)(), class F, S (*mapping)(F, S), F (*composition)(F, F), F (*id)()> struct lazy_segtree { public: lazy_segtree() : lazy_segtree(0) {} explicit lazy_segtree(int n) : lazy_segtree(std::vector<S>(n, e())) {} explicit lazy_segtree(const std::vector<S>& v) : _n(int(v.size())) { log = internal::ceil_pow2(_n); size = 1 << log; d = std::vector<S>(2 * size, e()); lz = std::vector<F>(size, id()); for (int i = 0; i < _n; i++) d[size + i] = v[i]; for (int i = size - 1; i >= 1; i--) { update(i); } } void set(int p, S x) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = x; for (int i = 1; i <= log; i++) update(p >> i); } S get(int p) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); return d[p]; } S prod(int l, int r) { assert(0 <= l && l <= r && r <= _n); if (l == r) return e(); l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push(r >> i); } S sml = e(), smr = e(); while (l < r) { if (l & 1) sml = op(sml, d[l++]); if (r & 1) smr = op(d[--r], smr); l >>= 1; r >>= 1; } return op(sml, smr); } S all_prod() { return d[1]; } void apply(int p, F f) { assert(0 <= p && p < _n); p += size; for (int i = log; i >= 1; i--) push(p >> i); d[p] = mapping(f, d[p]); for (int i = 1; i <= log; i++) update(p >> i); } void apply(int l, int r, F f) { assert(0 <= l && l <= r && r <= _n); if (l == r) return; l += size; r += size; for (int i = log; i >= 1; i--) { if (((l >> i) << i) != l) push(l >> i); if (((r >> i) << i) != r) push((r - 1) >> i); } { int l2 = l, r2 = r; while (l < r) { if (l & 1) all_apply(l++, f); if (r & 1) all_apply(--r, f); l >>= 1; r >>= 1; } l = l2; r = r2; } for (int i = 1; i <= log; i++) { if (((l >> i) << i) != l) update(l >> i); if (((r >> i) << i) != r) update((r - 1) >> i); } } template <bool (*g)(S)> int max_right(int l) { return max_right(l, [](S x) { return g(x); }); } template <class G> int max_right(int l, G g) { assert(0 <= l && l <= _n); assert(g(e())); if (l == _n) return _n; l += size; for (int i = log; i >= 1; i--) push(l >> i); S sm = e(); do { while (l % 2 == 0) l >>= 1; if (!g(op(sm, d[l]))) { while (l < size) { push(l); l = (2 * l); if (g(op(sm, d[l]))) { sm = op(sm, d[l]); l++; } } return l - size; } sm = op(sm, d[l]); l++; } while ((l & -l) != l); return _n; } template <bool (*g)(S)> int min_left(int r) { return min_left(r, [](S x) { return g(x); }); } template <class G> int min_left(int r, G g) { assert(0 <= r && r <= _n); assert(g(e())); if (r == 0) return 0; r += size; for (int i = log; i >= 1; i--) push((r - 1) >> i); S sm = e(); do { r--; while (r > 1 && (r % 2)) r >>= 1; if (!g(op(d[r], sm))) { while (r < size) { push(r); r = (2 * r + 1); if (g(op(d[r], sm))) { sm = op(d[r], sm); r--; } } return r + 1 - size; } sm = op(d[r], sm); } while ((r & -r) != r); return 0; } private: int _n, size, log; std::vector<S> d; std::vector<F> lz; void update(int k) { d[k] = op(d[2 * k], d[2 * k + 1]); } void all_apply(int k, F f) { d[k] = mapping(f, d[k]); if (k < size) { lz[k] = composition(f, lz[k]); if (d[k].fail) push(k), update(k); // MODIFIED!!! } } void push(int k) { all_apply(2 * k, lz[k]); all_apply(2 * k + 1, lz[k]); lz[k] = id(); } }; } // namespace atcoder #endif // ATCODER_LAZYSEGTREE_HPP /////////////////////////////////////////////////////// ACL ここまで /////////////////////////////////////////////////////// namespace RangeUpdateChgcdRangeMaxSum { constexpr int BINF = 1 << 30; struct S { int max; // 区間最大値 int lcm; // min(BINF, (区間内全要素の最大公約数)) int sz; // 区間要素数 uint64_t sum; // 区間内全要素の総和 bool fail; S() : max(0), lcm(1), sz(0), sum(0), fail(0) {} S(int x, int sz_ = 1) : max(x), lcm(x), sz(sz_), sum((uint64_t)x * sz_), fail(0) {} }; S e() { return S(); } S op(S l, S r) { if (r.sz == 0) return l; if (l.sz == 0) return r; S ret; ret.max = std::max(l.max, r.max); ret.sum = l.sum + r.sum; ret.lcm = std::min(uint64_t(BINF), (uint64_t)l.lcm * r.lcm / std::gcd(l.lcm, r.lcm)); ret.sz = l.sz + r.sz; return ret; } struct F { int dogcd, reset; F() : dogcd(0), reset(0) {} F(int g, int upd) : dogcd(g), reset(upd) {} static F gcd(int g) noexcept { return F(g, 0); } static F update(int a) noexcept { return F(0, a); } }; F composition(F fnew, F fold) { if (fnew.reset) return F::update(fnew.reset); else if (fold.reset) { return F::update(std::gcd(fnew.dogcd, fold.reset)); } else { return F::gcd(std::gcd(fnew.dogcd, fold.dogcd)); } } F id() { return F(); } S mapping(F f, S x) { if (x.fail) return x; if (f.reset) x = S(f.reset, x.sz); if (f.dogcd) { if (x.sz == 1) { x = S(std::gcd(x.max, f.dogcd)); } else if (x.lcm == BINF || f.dogcd % x.lcm) { // 区間 gcd クエリによって,複数個の要素からなる区間である値が変更を受ける場合のみ計算失敗 x.fail = true; } } return x; } using segtree = atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>; } // namespace RangeUpdateChgcdRangeMaxSum void solve() { cin.tie(nullptr), ios::sync_with_stdio(false); int N, Q; cin >> N >> Q; vector<RangeUpdateChgcdRangeMaxSum::S> A(N); for (auto &a : A) { int tmp; cin >> tmp, a = tmp; } RangeUpdateChgcdRangeMaxSum::segtree segtree(A); int q, l, r, x; while (Q--) { cin >> q >> l >> r; l--; if (q <= 2) { cin >> x; if (q == 1) segtree.apply(l, r, RangeUpdateChgcdRangeMaxSum::F::update(x)); if (q == 2) segtree.apply(l, r, RangeUpdateChgcdRangeMaxSum::F::gcd(x)); } else { auto v = segtree.prod(l, r); if (q == 3) cout << v.max << '\n'; if (q == 4) cout << v.sum << '\n'; } } } int main() { int T = 1; // cin >> T; while (T--) { solve(); } }