oj.uz

Submission #202671

# Submission time Handle Problem Language Result Execution time Memory
202671 2020-02-17T17:14:54 Z ismagilov Fire (JOI20_ho_t5) C++14
100 / 100
 862 ms 78628 KB 
/**
 * code generated by JHelper
 * More info: https://github.com/AlexeyDmitriev/JHelper
 * @author Azat Ismagilov
 */

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#include <fstream>

#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <numeric>
#include <set>
#include <map>

#define ll long long
#define ld long double
#define fs first
#define sc second
#define pb push_back
#define ppb pop_back
#define pf push_front
#define ppf pop_front
#define eb emplace_back
#define mp make_pair
#define len(v) ((int)v.size())
#define vc vector
#define pr pair
#define all(v) v.begin(), v.end()
//#pragma GCC optimize("Ofast")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,tune=native")
//#pragma GCC optimize("unroll-loops")

using namespace std;

template<typename T, typename U>
inline ostream &operator<<(ostream &_out, const pair<T, U> &_p) {
    _out << _p.first << ' ' << _p.second;
    return _out;
}

template<typename T, typename U>
inline istream &operator>>(istream &_in, pair<T, U> &_p) {
    _in >> _p.first >> _p.second;
    return _in;
}

template<typename T>
inline ostream &operator<<(ostream &_out, const vector<T> &_v) {
    if (_v.empty()) { return _out; }
    _out << _v.front();
    for (auto _it = ++_v.begin(); _it != _v.end(); ++_it) { _out << ' ' << *_it; }
    return _out;
}

template<typename T>
inline istream &operator>>(istream &_in, vector<T> &_v) {
    for (auto &_i : _v) { _in >> _i; }
    return _in;
}

const int MAXN = 6e5;
const int INF = 1e9;
const int MOD = 1e9 + 7;

vc<pr<pr<int, int>, pr<int, int>>> lefts, rights;


void add_segment(int l1, int r1, int l2, int r2, int value) {
    //cout << l1 << ' ' << r1 << ' ' << l2 << ' ' << r2 << ' ' << value << endl;
    if (r1 - l1 <= r2 - l2) {
        for (int i = l1; i <= r1; i++) {
            lefts.pb({{i,      value},
                      {l2 - i, r2 - i}});
        }
    } else {
        for (int i = l2; i <= r2; i++) {
            rights.pb({{i,      value},
                       {i - r1, i - l1}});
        }
    }
}

int n;
ll t[MAXN];

void init(int nn) {
    n = nn;
    fill(t, t + n, 0);
}

void upd(int v, int x) {
    for (; v < n; v = (v | (v + 1))) {
        t[v] += x;
    }
}

ll get(int v) {
    ll ans = 0;
    for (; v >= 0; v = (v & (v + 1)) - 1) {
        ans += t[v];
    }
    return ans;
}

ll get(int l, int r) {
    return get(r) - get(l - 1);
}

class pozhar {
public:
    void solve(std::istream &in, std::ostream &out) {
        int n, q;
        in >> n >> q;
        vc<int> s(n);
        in >> s;
        set<int> limiters;
        limiters.insert(-1);
        limiters.insert(n);
        vc<pr<int, int>> dds;
        for (int i = 0; i < n; i++) {
            dds.pb({s[i], i});
        }
        sort(all(dds));
        reverse(all(dds));
        for (auto v : dds) {
            auto r = (*limiters.lower_bound(v.sc)) - 1;
            auto l = (*prev(limiters.lower_bound(v.sc))) + 1;
            if (l <= v.sc && v.sc <= r) {
                add_segment(l, v.sc, v.sc, r, v.fs);
            }
            limiters.insert(v.sc);
        }
        /*
        cout << "lefts\n";
        for (auto v : lefts) {
            cout << v << endl;
        }
        cout << "rights\n";
        for (auto v : rights) {
            cout << v << endl;
        }
         */
        vc<ll> ans(q);
        vc<pr<int, pr<int, int>>> que(q);
        vc<vc<int>> bylen(n + 2);
        int i = 0;
        for (auto &v : que) {
            in >> v.fs >> v.sc;
            v.sc.fs--, v.sc.sc--;
            bylen[v.fs].pb(i);
            i++;
        }
        {
            int maxi = 0;
            for (int i = 0; i < n; i++) {
                maxi = max(maxi, s[i]);
                rights.pb({{i,     maxi},
                           {i + 1, n}});
            }
        }
        {
            vc<vc<pr<int, int>>> gr(n + 2);
            for (auto v : lefts) {
                gr[v.sc.fs].pb(v.fs);
                v.fs.sc *= -1;
                gr[v.sc.sc + 1].pb(v.fs);
            }
            init(2 * n);
            for (int i = 0; i <= n; i++) {
                for (auto d : gr[i]) {
                    upd(d.fs + n, d.sc);
                }
                for (auto d : bylen[i]) {
                    ans[d] += get(que[d].sc.fs - i + n, que[d].sc.sc - i + n);
                }
            }
        }
        {
            vc<vc<pr<int, int>>> gr(n + 2);
            for (auto v : rights) {
                gr[v.sc.fs].pb(v.fs);
                v.fs.sc *= -1;
                gr[v.sc.sc + 1].pb(v.fs);
            }
            init(n + 10);
            for (int i = 0; i <= n; i++) {
                for (auto d : gr[i]) {
                    upd(d.fs, d.sc);
                }
                for (auto d : bylen[i]) {
                    ans[d] += get(que[d].sc.fs, que[d].sc.sc);
                }
            }
        }
        for (auto v : ans) {
            out << v << '\n';
        }
    }
};


signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);
	pozhar solver;
	std::istream& in(std::cin);
	std::ostream& out(std::cout);
	solver.solve(in, out);
	return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 376 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 6 ms 352 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 19 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 504 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 ms 480 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 376 KB Output is correct
2 Correct 555 ms 70812 KB Output is correct
3 Correct 548 ms 70556 KB Output is correct
4 Correct 567 ms 70900 KB Output is correct
5 Correct 552 ms 73324 KB Output is correct
6 Correct 538 ms 74576 KB Output is correct
7 Correct 560 ms 72048 KB Output is correct
8 Correct 558 ms 77080 KB Output is correct
9 Correct 545 ms 72656 KB Output is correct
10 Correct 656 ms 69932 KB Output is correct
11 Correct 612 ms 77780 KB Output is correct
12 Correct 554 ms 71784 KB Output is correct
13 Correct 685 ms 72476 KB Output is correct
14 Correct 562 ms 74488 KB Output is correct
15 Correct 529 ms 70352 KB Output is correct
16 Correct 593 ms 72716 KB Output is correct

Subtask #3
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 376 KB Output is correct
2 Correct 749 ms 74496 KB Output is correct
3 Correct 626 ms 72352 KB Output is correct
4 Correct 675 ms 78628 KB Output is correct
5 Correct 660 ms 74912 KB Output is correct
6 Correct 648 ms 74772 KB Output is correct
7 Correct 671 ms 77276 KB Output is correct
8 Correct 773 ms 75552 KB Output is correct
9 Correct 725 ms 73628 KB Output is correct
10 Correct 635 ms 75680 KB Output is correct
11 Correct 681 ms 76836 KB Output is correct
12 Correct 652 ms 75688 KB Output is correct
13 Correct 662 ms 74312 KB Output is correct
14 Correct 697 ms 73508 KB Output is correct
15 Correct 672 ms 75836 KB Output is correct
16 Correct 701 ms 73912 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 397 ms 51000 KB Output is correct
2 Correct 403 ms 51448 KB Output is correct
3 Correct 433 ms 52740 KB Output is correct
4 Correct 440 ms 50788 KB Output is correct
5 Correct 493 ms 51388 KB Output is correct
6 Correct 440 ms 51512 KB Output is correct
7 Correct 412 ms 52684 KB Output is correct
8 Correct 411 ms 52072 KB Output is correct
9 Correct 397 ms 51364 KB Output is correct
10 Correct 410 ms 51928 KB Output is correct
11 Correct 420 ms 51328 KB Output is correct
12 Correct 446 ms 51732 KB Output is correct
13 Correct 452 ms 51620 KB Output is correct
14 Correct 428 ms 51736 KB Output is correct

Subtask #5
80.0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 376 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 6 ms 352 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 19 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 6 ms 380 KB Output is correct
13 Correct 6 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 6 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 504 KB Output is correct
21 Correct 5 ms 380 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 6 ms 480 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 6 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 6 ms 376 KB Output is correct
33 Correct 785 ms 75528 KB Output is correct
34 Correct 666 ms 78088 KB Output is correct
35 Correct 713 ms 76760 KB Output is correct
36 Correct 862 ms 77172 KB Output is correct
37 Correct 646 ms 73664 KB Output is correct
38 Correct 640 ms 73636 KB Output is correct
39 Correct 707 ms 74664 KB Output is correct
40 Correct 642 ms 74276 KB Output is correct
41 Correct 710 ms 75120 KB Output is correct
42 Correct 848 ms 76124 KB Output is correct
43 Correct 601 ms 77476 KB Output is correct
44 Correct 609 ms 72252 KB Output is correct
45 Correct 701 ms 69360 KB Output is correct
46 Correct 602 ms 72324 KB Output is correct
47 Correct 556 ms 71464 KB Output is correct
48 Correct 551 ms 72628 KB Output is correct
49 Correct 568 ms 73576 KB Output is correct
50 Correct 588 ms 72856 KB Output is correct
51 Correct 598 ms 71544 KB Output is correct
52 Correct 583 ms 73064 KB Output is correct
53 Correct 553 ms 69768 KB Output is correct
54 Correct 561 ms 69700 KB Output is correct
55 Correct 571 ms 73804 KB Output is correct
56 Correct 567 ms 72636 KB Output is correct
57 Correct 578 ms 71048 KB Output is correct
58 Correct 600 ms 73068 KB Output is correct
59 Correct 555 ms 70812 KB Output is correct
60 Correct 548 ms 70556 KB Output is correct
61 Correct 567 ms 70900 KB Output is correct
62 Correct 552 ms 73324 KB Output is correct
63 Correct 538 ms 74576 KB Output is correct
64 Correct 560 ms 72048 KB Output is correct
65 Correct 558 ms 77080 KB Output is correct
66 Correct 545 ms 72656 KB Output is correct
67 Correct 656 ms 69932 KB Output is correct
68 Correct 612 ms 77780 KB Output is correct
69 Correct 554 ms 71784 KB Output is correct
70 Correct 685 ms 72476 KB Output is correct
71 Correct 562 ms 74488 KB Output is correct
72 Correct 529 ms 70352 KB Output is correct
73 Correct 593 ms 72716 KB Output is correct
74 Correct 749 ms 74496 KB Output is correct
75 Correct 626 ms 72352 KB Output is correct
76 Correct 675 ms 78628 KB Output is correct
77 Correct 660 ms 74912 KB Output is correct
78 Correct 648 ms 74772 KB Output is correct
79 Correct 671 ms 77276 KB Output is correct
80 Correct 773 ms 75552 KB Output is correct
81 Correct 725 ms 73628 KB Output is correct
82 Correct 635 ms 75680 KB Output is correct
83 Correct 681 ms 76836 KB Output is correct
84 Correct 652 ms 75688 KB Output is correct
85 Correct 662 ms 74312 KB Output is correct
86 Correct 697 ms 73508 KB Output is correct
87 Correct 672 ms 75836 KB Output is correct
88 Correct 701 ms 73912 KB Output is correct
89 Correct 397 ms 51000 KB Output is correct
90 Correct 403 ms 51448 KB Output is correct
91 Correct 433 ms 52740 KB Output is correct
92 Correct 440 ms 50788 KB Output is correct
93 Correct 493 ms 51388 KB Output is correct
94 Correct 440 ms 51512 KB Output is correct
95 Correct 412 ms 52684 KB Output is correct
96 Correct 411 ms 52072 KB Output is correct
97 Correct 397 ms 51364 KB Output is correct
98 Correct 410 ms 51928 KB Output is correct
99 Correct 420 ms 51328 KB Output is correct
100 Correct 446 ms 51732 KB Output is correct
101 Correct 452 ms 51620 KB Output is correct
102 Correct 428 ms 51736 KB Output is correct