結果

問題 No.880 Yet Another Segment Tree Problem
ユーザー Amarsanaa SanaAmarsanaa 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
このコードへのチャレンジ
(要ログイン)

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 -- -
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ソースコード

diff #

#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();
    }
}




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