oj.uz

답안 #892540

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
892540 2023-12-25T13:22:47 Z CDuong Progression (NOI20_progression) C++17
57 / 100
 494 ms 91220 KB 
/*
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,sse4.2,popcnt,lzcnt")
*/

#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long
#define i64 long long
#define pb push_back
#define ff first
#define ss second
#define isz(x) (int)x.size()
using namespace std;

const int mxN = 3e5 + 5;
const int mod = 1e9 + 7;
const i64 oo = 1e18;

struct SegmentTree {
    struct node {
        i64 val = 0;
        int same = 0, len = 0;
        pair<int, int> pfx, sfx;
        i64 lz_mul = 1, lz_add = 0;

        node() {}
        node(int val) : val(val), same(1), len(1), pfx({val, 1}), sfx({val, 1}) {}
        
        node operator + (const node &rhs) {
            node res;
            res.val = val + rhs.val;
            res.len = len + rhs.len;
            res.same = max(same, rhs.same);
            if (sfx.ff == rhs.pfx.ff) res.same = max(res.same, sfx.ss + rhs.pfx.ss);
            res.pfx = pfx, res.sfx = rhs.sfx;
            if (pfx.ss == len and pfx.ff == rhs.pfx.ff) res.pfx = {pfx.ff, pfx.ss + rhs.pfx.ss};
            if (rhs.sfx.ss == rhs.len and sfx.ff == rhs.sfx.ff) res.sfx = {rhs.sfx.ff, rhs.sfx.ss + sfx.ss};
            // cout << *this << endl << rhs << endl << res << endl << endl;
            return res;
        }

        friend ostream & operator << (ostream &out, node o) {
            return out << o.pfx.ff << " " << o.pfx.ss << " " << o.sfx.ff << " " << o.sfx.ss << " " << o.same;
        }
    };

    int n;
    vector<node> data;

    SegmentTree(int n, vector<int> &diff) : n(n), data(4 * n + 10) {
        auto build = [&](auto build, int l, int r, int idx) -> void {
            if (l == r) {
                data[idx] = node(diff[l]);
                return;
            }
            int mid = (l + r) >> 1;
            build(build, l, mid, idx << 1);
            build(build, mid + 1, r, idx << 1 | 1);
            data[idx] = data[idx << 1] + data[idx << 1 | 1];
        };
        build(build, 1, n, 1);
    };

    void apply(int idx, i64 mul, i64 add) {
        if (mul == 0) {
            data[idx].val = add * data[idx].len;
            data[idx].same = data[idx].len;
            data[idx].pfx = data[idx].sfx = {add, data[idx].len};
            data[idx].lz_mul = mul, data[idx].lz_add = add;
        }
        else {
            data[idx].val += add * data[idx].len;
            data[idx].pfx.ff += add, data[idx].sfx.ff += add;
            data[idx].lz_add += add;
        }
    }

    void down(int idx) {
        apply(idx << 1, data[idx].lz_mul, data[idx].lz_add);
        apply(idx << 1 | 1, data[idx].lz_mul, data[idx].lz_add);
        data[idx].lz_add = 0, data[idx].lz_mul = 1;
    }

    void update(int l, int r, int idx, int u, int v, i64 mul, i64 add) {
        if (u <= l && r <= v) {
            apply(idx, mul, add);
            return;
        }
        down(idx);
        int mid = (l + r) >> 1;
        if (u <= mid) update(l, mid, idx << 1, u, v, mul, add);
        if (mid + 1 <= v) update(mid + 1, r, idx << 1 | 1, u, v, mul, add);
        data[idx] = data[idx << 1] + data[idx << 1 | 1];
    }

    void update(int u, int v, i64 mul, i64 add) {
        update(1, n, 1, u, v, mul, add);
    }

    node get(int l, int r, int idx, int u, int v) {
        if (u <= l && r <= v) return data[idx];
        down(idx);
        int mid = (l + r) >> 1;
        if (v <= mid) return get(l, mid, idx << 1, u, v);
        if (mid + 1 <= u) return get(mid + 1, r, idx << 1 | 1, u, v);
        return get(l, mid, idx << 1, u, v) + get(mid + 1, r, idx << 1 | 1, u, v);
    }

    node get(int u, int v) {
        return get(1, n, 1, u, v);
    }
};

int n, q;
int a[mxN];
vector<int> diff;

void solve() {
    cin >> n >> q;
    diff.resize(n + 1);
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
        diff[i] = a[i] - a[i - 1];
    }
    SegmentTree st(n, diff);
    // cout << st.data[1].same << endl;
    while (q--) {
        int tp;
        cin >> tp;
        if (tp == 1) {
            int l, r, s, c;
            cin >> l >> r >> s >> c;
            st.update(l, l, 1, s);
            if (l < r) st.update(l + 1, r, 1, c);
            if (r + 1 <= n) st.update(r + 1, r + 1, 1, -(1ll * c * (r - l) + s));
        }
        else if (tp == 2) {
            int l, r, s, c;
            cin >> l >> r >> s >> c;
            i64 cl = st.get(1, l).val;
            i64 cr = st.get(1, r).val;
            st.update(l, l, 1, s - cl);
            if (r + 1 <= n) st.update(r + 1, r + 1, 1, s + (r - l) * c - cr);
            if (l < r) st.update(l + 1, r, 0, c);
        }
        else {
            int l, r;
            cin >> l >> r;
            if (l == r) cout << 1 << "\n";
            else cout << st.get(l + 1, r).same + 1 << "\n";
        }
    }
    // for (int i = 1; i <= n; ++i)
    //     cout << st.get(i, i).val << " \n"[i == n];
}

signed main() {

#ifndef CDuongg
    if(fopen(taskname".inp", "r"))
        assert(freopen(taskname".inp", "r", stdin)), assert(freopen(taskname".out", "w", stdout));
#else
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; //cin >> t;
    while(t--) solve();

#ifdef CDuongg
   auto end = chrono::high_resolution_clock::now();
   cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
   cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
   cout << "Check array size pls sir" << endl;
#endif

}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 271 ms 90316 KB Output is correct
2 Correct 95 ms 596 KB Output is correct
3 Correct 97 ms 596 KB Output is correct
4 Correct 97 ms 536 KB Output is correct
5 Correct 106 ms 1100 KB Output is correct
6 Correct 100 ms 604 KB Output is correct
7 Correct 96 ms 596 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 285 ms 90464 KB Output is correct
12 Correct 267 ms 90196 KB Output is correct
13 Correct 269 ms 90452 KB Output is correct
14 Correct 297 ms 90544 KB Output is correct
15 Correct 275 ms 90448 KB Output is correct
16 Correct 272 ms 90228 KB Output is correct
17 Correct 266 ms 90088 KB Output is correct
18 Correct 286 ms 90260 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 604 KB Output is correct
2 Incorrect 1 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 204 ms 90492 KB Output is correct
2 Correct 66 ms 904 KB Output is correct
3 Correct 63 ms 848 KB Output is correct
4 Correct 58 ms 848 KB Output is correct
5 Correct 69 ms 1104 KB Output is correct
6 Correct 68 ms 1028 KB Output is correct
7 Correct 69 ms 960 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 236 ms 90284 KB Output is correct
12 Correct 196 ms 90704 KB Output is correct
13 Correct 242 ms 90276 KB Output is correct
14 Correct 233 ms 90292 KB Output is correct
15 Correct 202 ms 90452 KB Output is correct
16 Correct 240 ms 91220 KB Output is correct
17 Correct 244 ms 90960 KB Output is correct
18 Correct 244 ms 91132 KB Output is correct
19 Correct 211 ms 90384 KB Output is correct
20 Correct 212 ms 90196 KB Output is correct
21 Correct 221 ms 90272 KB Output is correct

Subtask #4
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 407 ms 89936 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 204 ms 90492 KB Output is correct
2 Correct 66 ms 904 KB Output is correct
3 Correct 63 ms 848 KB Output is correct
4 Correct 58 ms 848 KB Output is correct
5 Correct 69 ms 1104 KB Output is correct
6 Correct 68 ms 1028 KB Output is correct
7 Correct 69 ms 960 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 236 ms 90284 KB Output is correct
12 Correct 196 ms 90704 KB Output is correct
13 Correct 242 ms 90276 KB Output is correct
14 Correct 233 ms 90292 KB Output is correct
15 Correct 202 ms 90452 KB Output is correct
16 Correct 240 ms 91220 KB Output is correct
17 Correct 244 ms 90960 KB Output is correct
18 Correct 244 ms 91132 KB Output is correct
19 Correct 211 ms 90384 KB Output is correct
20 Correct 212 ms 90196 KB Output is correct
21 Correct 221 ms 90272 KB Output is correct
22 Correct 473 ms 89900 KB Output is correct
23 Correct 96 ms 544 KB Output is correct
24 Correct 102 ms 660 KB Output is correct
25 Correct 106 ms 604 KB Output is correct
26 Correct 101 ms 648 KB Output is correct
27 Correct 98 ms 544 KB Output is correct
28 Correct 98 ms 520 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 494 ms 89952 KB Output is correct
33 Correct 476 ms 90460 KB Output is correct
34 Correct 469 ms 90060 KB Output is correct
35 Correct 462 ms 90288 KB Output is correct
36 Correct 391 ms 90564 KB Output is correct
37 Correct 378 ms 90248 KB Output is correct
38 Correct 396 ms 90296 KB Output is correct
39 Correct 460 ms 89952 KB Output is correct
40 Correct 489 ms 90108 KB Output is correct
41 Correct 480 ms 90344 KB Output is correct
42 Correct 480 ms 89944 KB Output is correct
43 Correct 472 ms 89952 KB Output is correct
44 Correct 452 ms 89976 KB Output is correct
45 Correct 454 ms 90200 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 271 ms 90316 KB Output is correct
2 Correct 95 ms 596 KB Output is correct
3 Correct 97 ms 596 KB Output is correct
4 Correct 97 ms 536 KB Output is correct
5 Correct 106 ms 1100 KB Output is correct
6 Correct 100 ms 604 KB Output is correct
7 Correct 96 ms 596 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 285 ms 90464 KB Output is correct
12 Correct 267 ms 90196 KB Output is correct
13 Correct 269 ms 90452 KB Output is correct
14 Correct 297 ms 90544 KB Output is correct
15 Correct 275 ms 90448 KB Output is correct
16 Correct 272 ms 90228 KB Output is correct
17 Correct 266 ms 90088 KB Output is correct
18 Correct 286 ms 90260 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Incorrect 1 ms 348 KB Output isn't correct
21 Halted 0 ms 0 KB -