oj.uz

답안 #1093374

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1093374 2024-09-26T17:58:22 Z vyshniak_n Progression (NOI20_progression) C++17
57 / 100
 604 ms 95576 KB 
//#pragma optimize("Ofast")
//#pragma optimize("unroll-loops")
//#pragma traget("avx,avx2,tune=native")
 
#include <iostream>
#include <cmath>
#include <algorithm>
#include <stdio.h>
#include <cstdint>
#include <cstring>
#include <string>
#include <cstdlib>
#include <vector>
#include <bitset>
#include <map>
#include <queue>
#include <ctime>
#include <stack>
#include <set>
#include <list>
#include <random>
#include <deque>
#include <functional>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <complex>
#include <numeric>
#include <cassert>
#include <array>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <thread>
 
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
 
#define el '\n'
#define ff first
#define ss second
#define pb push_back
#define pf push_front
#define popb pop_back
#define popf pop_front
#define point pair <ll, ll>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
 
using namespace std;
 
#include <random>
mt19937 rnd(time(0));
 
const ll INF = 2e18 + 10;
const ll inf = 2e9 + 10;
const ll N = 3e5 + 10;
const ll mod = 998244353;
const ll LOG = 20;

struct node {
    ll mx;
    ll sum;
    ll l;
    ll vall;
    ll r;
    ll valr;
    ll sum_d;

    node() = default;

    node(ll x, ll len) {
        mx = sum = l = r = len;
        vall = x;
        valr = x;
        sum_d = len * x;
    }

    node(node ql, node qr) {
        sum = 0;
        if (ql.sum != 0 && qr.sum != 0)
            sum = ql.sum + qr.sum;

        mx = max(ql.mx, qr.mx);
        if (ql.valr == qr.vall)
            mx = max(mx, ql.r + qr.l);

        if (mx != sum) sum = 0;

        vall = ql.vall;
        valr = qr.valr;

        l = ql.l;
        if (ql.sum != 0 && ql.vall == qr.vall)
            l = max(l, ql.sum + qr.l);

        r = qr.r;
        if (qr.sum != 0 && qr.valr == ql.valr)
            r = max(r, qr.sum + ql.r);
        sum_d = ql.sum_d + qr.sum_d;
    }

    void add(ll x, ll len) {
        vall += x;
        valr += x;
        sum_d += len * x;
    }
};

node t[4 * N];
ll lazy_add[4 * N];
ll lazy_rm[4 * N];
ll len[4 * N];
ll d[N];

void build(ll v, ll tl, ll tr) {
    if (tl == tr) {
        len[v] = 1;
        t[v] = node(d[tl] - d[tl - 1], 1);
        return;
    }

    ll tm = (tl + tr) >> 1;

    build(v << 1, tl, tm);
    build(v << 1 | 1, tm + 1, tr);

    t[v] = node(t[v << 1], t[v << 1 | 1]);
    len[v] = len[v << 1] + len[v << 1 | 1];
}

void push(ll v) {
    if (lazy_rm[v] != -INF) {
        lazy_add[v << 1] = lazy_add[v << 1 | 1] = 0;

        t[v << 1] = node(lazy_rm[v], len[v << 1]);
        t[v << 1 | 1] = node(lazy_rm[v], len[v << 1 | 1]);

        lazy_rm[v << 1] = lazy_rm[v << 1 | 1] = lazy_rm[v];
        lazy_rm[v] = -INF;
    }

    t[v << 1].add(lazy_add[v], len[v << 1]);
    t[v << 1 | 1].add(lazy_add[v], len[v << 1 | 1]);

    lazy_add[v << 1] += lazy_add[v];
    lazy_add[v << 1 | 1] += lazy_add[v];
    lazy_add[v] = 0;
}
void upd_add(ll v, ll tl, ll tr, ll l, ll r, ll x) {
    if (l > tr || r < tl)
        return;
    if (l <= tl && r >= tr) {
        t[v].add(x, len[v]);
        lazy_add[v] += x;
        return;
    }

    push(v);
    ll tm = (tl + tr) >> 1;

    upd_add(v << 1, tl, tm, l, r, x);
    upd_add(v << 1 | 1, tm + 1, tr, l, r, x);

    t[v] = node(t[v << 1], t[v << 1 | 1]);
}
void upd(ll v, ll tl, ll tr, ll l, ll r, ll x) {
    if (l > tr || r < tl)
        return;
    if (l <= tl && r >= tr) {
        lazy_add[v] = 0;
        lazy_rm[v] = x;
        t[v] = node(x, len[v]);
        return;
    }

    push(v);
    ll tm = (tl + tr) >> 1;

    upd(v << 1, tl, tm, l, r, x);
    upd(v << 1 | 1, tm + 1, tr, l, r, x);

    t[v] = node(t[v << 1], t[v << 1 | 1]);
}
node get(ll v, ll tl, ll tr, ll l, ll r) {
    if (l > tr || r < tl)
        return node(-inf, 0);
    if (l <= tl && r >= tr)
        return t[v];

    push(v);
    ll tm = (tl + tr) >> 1;

    return node(get(v << 1, tl, tm, l, r),
                get(v << 1 | 1, tm + 1, tr, l, r));
}
ll get_pos(ll v, ll tl, ll tr, ll l, ll r) {
    if (l > r || l > tr || r < tl)
        return 0;
    if (l <= tl && r >= tr)
        return t[v].sum_d;

    push(v);
    ll tm = (tl + tr) >> 1;

    return get_pos(v << 1, tl, tm, l, r) +
           get_pos(v << 1 | 1, tm + 1, tr, l, r);
}

void solve() {
    ll n, q;
    cin >> n >> q;

    d[0] = INF;
    for (ll i = 1; i <= n; i++)
        cin >> d[i];
    for (ll i = 0; i < 4 * N; i++)
        lazy_rm[i] = -INF;

    build(1, 1, n);
    ll f = d[1];

    while (q--) {
        ll t, l, r, s, c;
        cin >> t;

        if (t == 1) {
            cin >> l >> r >> s >> c;
            if (l != r)
                upd_add(1, 1, n, l + 1, r, c);
            if (l != 1)
                upd_add(1, 1, n, l, l, s);
            if (r != n)
                upd_add(1, 1, n, r + 1, r + 1, -(s + (r - l) * c));
            if (l == 1)
                f += s;
        } else if (t == 2) {
            cin >> l >> r >> s >> c;
            ll vall, valr;
            if (l != 1) vall = f + get_pos(1, 1, n, 2, l - 1);
            if (r != n) valr = f + get_pos(1, 1, n, 2, r + 1);
            if (l != r)
                upd(1, 1, n, l + 1, r, c);
            if (l != 1)
                upd(1, 1, n, l, l, s - vall);
            if (r != n)
                upd(1, 1, n, l, l, valr - (s + (r - l) * c));
            if (l == 1)
                f = s;
        } else {
            cin >> l >> r;
            if (l == r) {
                cout << 1 << el;
                continue;
            }

            cout << get(1, 1, n, l + 1, r).mx + 1 << el;
        }
    }
    return;
}
signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    //freopen(".in", "r", stdin);
    //freopen(".out", "w", stdout);

    int tests = 1;
    //cin >> tests;
 
    while (tests--) 
        solve();
    return 0;
}
/*
*/

Compilation message

Progression.cpp: In function 'void solve()':
Progression.cpp:248:20: warning: 'valr' may be used uninitialized in this function [-Wmaybe-uninitialized]
  248 |                 upd(1, 1, n, l, l, valr - (s + (r - l) * c));
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Progression.cpp:246:20: warning: 'vall' may be used uninitialized in this function [-Wmaybe-uninitialized]
  246 |                 upd(1, 1, n, l, l, s - vall);
      |                 ~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 213 ms 78416 KB Output is correct
2 Correct 75 ms 10068 KB Output is correct
3 Correct 77 ms 10168 KB Output is correct
4 Correct 75 ms 10068 KB Output is correct
5 Correct 77 ms 10012 KB Output is correct
6 Correct 81 ms 10144 KB Output is correct
7 Correct 78 ms 10068 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9820 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 203 ms 78368 KB Output is correct
12 Correct 224 ms 78312 KB Output is correct
13 Correct 209 ms 78672 KB Output is correct
14 Correct 206 ms 78796 KB Output is correct
15 Correct 209 ms 78624 KB Output is correct
16 Correct 212 ms 78252 KB Output is correct
17 Correct 217 ms 78420 KB Output is correct
18 Correct 204 ms 78416 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 9820 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 261 ms 87048 KB Output is correct
2 Correct 74 ms 10584 KB Output is correct
3 Correct 68 ms 10324 KB Output is correct
4 Correct 55 ms 10324 KB Output is correct
5 Correct 73 ms 10324 KB Output is correct
6 Correct 68 ms 10308 KB Output is correct
7 Correct 68 ms 10336 KB Output is correct
8 Correct 4 ms 9876 KB Output is correct
9 Correct 4 ms 9816 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 361 ms 86640 KB Output is correct
12 Correct 254 ms 87092 KB Output is correct
13 Correct 287 ms 86928 KB Output is correct
14 Correct 302 ms 86864 KB Output is correct
15 Correct 255 ms 86940 KB Output is correct
16 Correct 300 ms 87376 KB Output is correct
17 Correct 293 ms 87416 KB Output is correct
18 Correct 293 ms 87380 KB Output is correct
19 Correct 257 ms 86612 KB Output is correct
20 Correct 293 ms 86776 KB Output is correct
21 Correct 258 ms 86612 KB Output is correct

Subtask #4
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 489 ms 86256 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 261 ms 87048 KB Output is correct
2 Correct 74 ms 10584 KB Output is correct
3 Correct 68 ms 10324 KB Output is correct
4 Correct 55 ms 10324 KB Output is correct
5 Correct 73 ms 10324 KB Output is correct
6 Correct 68 ms 10308 KB Output is correct
7 Correct 68 ms 10336 KB Output is correct
8 Correct 4 ms 9876 KB Output is correct
9 Correct 4 ms 9816 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 361 ms 86640 KB Output is correct
12 Correct 254 ms 87092 KB Output is correct
13 Correct 287 ms 86928 KB Output is correct
14 Correct 302 ms 86864 KB Output is correct
15 Correct 255 ms 86940 KB Output is correct
16 Correct 300 ms 87376 KB Output is correct
17 Correct 293 ms 87416 KB Output is correct
18 Correct 293 ms 87380 KB Output is correct
19 Correct 257 ms 86612 KB Output is correct
20 Correct 293 ms 86776 KB Output is correct
21 Correct 258 ms 86612 KB Output is correct
22 Correct 516 ms 86356 KB Output is correct
23 Correct 98 ms 9940 KB Output is correct
24 Correct 92 ms 10064 KB Output is correct
25 Correct 107 ms 10064 KB Output is correct
26 Correct 102 ms 10064 KB Output is correct
27 Correct 100 ms 10320 KB Output is correct
28 Correct 99 ms 10068 KB Output is correct
29 Correct 4 ms 9820 KB Output is correct
30 Correct 4 ms 9820 KB Output is correct
31 Correct 4 ms 9820 KB Output is correct
32 Correct 604 ms 86864 KB Output is correct
33 Correct 521 ms 95132 KB Output is correct
34 Correct 534 ms 92392 KB Output is correct
35 Correct 543 ms 92588 KB Output is correct
36 Correct 474 ms 92276 KB Output is correct
37 Correct 442 ms 92216 KB Output is correct
38 Correct 457 ms 92240 KB Output is correct
39 Correct 551 ms 95380 KB Output is correct
40 Correct 546 ms 95576 KB Output is correct
41 Correct 552 ms 95292 KB Output is correct
42 Correct 542 ms 95204 KB Output is correct
43 Correct 535 ms 95196 KB Output is correct
44 Correct 538 ms 95392 KB Output is correct
45 Correct 537 ms 95524 KB Output is correct

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 213 ms 78416 KB Output is correct
2 Correct 75 ms 10068 KB Output is correct
3 Correct 77 ms 10168 KB Output is correct
4 Correct 75 ms 10068 KB Output is correct
5 Correct 77 ms 10012 KB Output is correct
6 Correct 81 ms 10144 KB Output is correct
7 Correct 78 ms 10068 KB Output is correct
8 Correct 4 ms 9820 KB Output is correct
9 Correct 4 ms 9820 KB Output is correct
10 Correct 4 ms 9820 KB Output is correct
11 Correct 203 ms 78368 KB Output is correct
12 Correct 224 ms 78312 KB Output is correct
13 Correct 209 ms 78672 KB Output is correct
14 Correct 206 ms 78796 KB Output is correct
15 Correct 209 ms 78624 KB Output is correct
16 Correct 212 ms 78252 KB Output is correct
17 Correct 217 ms 78420 KB Output is correct
18 Correct 204 ms 78416 KB Output is correct
19 Incorrect 5 ms 9820 KB Output isn't correct
20 Halted 0 ms 0 KB -