oj.uz

Submission #498768

# Submission time Handle Problem Language Result Execution time Memory
498768 2021-12-26T10:19:01 Z dxz05 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
64 / 100
 1908 ms 262148 KB 
#pragma GCC optimize("Ofast,O2,O3,unroll-loops")
#pragma GCC target("avx2")

#include <bits/stdc++.h>

using namespace std;

void debug_out() { cerr << endl; }

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << "[" << H << "]";
    debug_out(T...);
}

#ifdef dddxxz
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

#define SZ(s) ((int)s.size())
#define all(x) (x).begin(), (x).end()
#define lla(x) (x).rbegin(), (x).rend()

clock_t startTime;

double getCurrentTime() {
    return (double) (clock() - startTime) / CLOCKS_PER_SEC;
}

#define MP make_pair

typedef long long ll;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
const double eps = 0.000001;
const int MOD = 998244353;
const int INF = 1000000101;
const long long LLINF = 1223372000000000555;
const int N = 1e6 + 3e2;
const int M = 222;

inline void merge(vector<int> &v, vector<int> a, vector<int> b){
    int n = a.size(), m = b.size();
    int i = 0, j = 0;
    while (i < n || j < m){
        if (i < n && (j == m || a[i] < b[j])) v.push_back(a[i++]); else
            v.push_back(b[j++]);
    }
}

struct node{
    int ans;
    int mx;
    vector<int> vec;
    node(){
        ans = 0;
        mx = -1;
        vec.resize(0);
    };
};

int size = 1;

vector<node> tree;

inline void build(int v, int tl, int tr, vector<int> &a){
    if (tl == tr){
        tree[v].ans = 0;
        tree[v].mx = a[tl - 1];
        tree[v].vec = {a[tl - 1]};
        return;
    }
    int tm = (tl + tr) >> 1;
    build(v + v, tl, tm, a);
    build(v + v + 1, tm + 1, tr, a);

    merge(tree[v].vec, tree[v + v].vec, tree[v + v + 1].vec);
    tree[v].mx = max(tree[v + v].mx, tree[v + v + 1].mx);
    tree[v].ans = max(tree[v + v].ans, tree[v + v + 1].ans);

    int i = lower_bound(all(tree[v + v + 1].vec), tree[v + v].mx) - tree[v + v + 1].vec.begin() - 1;
    if (i >= 0) tree[v].ans = max(tree[v].ans, tree[v + v].mx + tree[v + v + 1].vec[i]);
}

inline void init(vector<int> &a){
    size = a.size();
    tree.resize(4 * size);
    build(1, 1, size, a);
}

inline int biggest(int v, int tl, int tr, int l, int r, int key){
    if (l <= tl && tr <= r){
        int i = lower_bound(all(tree[v].vec), key) - tree[v].vec.begin() - 1;
        return (i >= 0 ? tree[v].vec[i] : -1);
    }
    if (tl > r || tr < l) return -1;
    int tm = (tl + tr) >> 1;
    return max(biggest(v + v, tl, tm, l, r, key), biggest(v + v + 1, tm + 1, tr, l, r, key));
}

inline pair<int, int> get(int v, int tl, int tr, int l, int r){
    if (l <= tl && tr <= r) return MP(tree[v].ans, tree[v].mx);
    if (tl > r || tr < l) return MP(0, -1);
    int tm = (tl + tr) >> 1;
    auto lf = get(v + v, tl, tm, l, r), rg = get(v + v + 1, tm + 1, tr, l, r);
    int ans = max(lf.first, rg.first);
    if (lf.first != -1 && rg.first != -1) {
        int x = biggest(1, 1, size, tm + 1, min(r, tr), lf.second);
        if (x != -1) ans = max(ans, lf.second + x);
    }

    return MP(ans, max(lf.second, rg.second));
}

inline int get(int l, int r){
    return get(1, 1, size, l, r).first;
}

void solve(int TC) {
    int n, q;
    cin >> n >> q;

    vector<int> a(n);
    for (int &i : a) cin >> i;

    init(a);

    while (q--){
        int l, r, k;
        cin >> l >> r >> k;
        cout << (get(l, r) <= k) << endl;
    }

}

int main() {
    startTime = clock();
    ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);

#ifdef dddxxz
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif

    int TC = 1;
    //cin >> TC;

    for (int test = 1; test <= TC; test++) {
        //debug(test);
        //cout << "Case #" << test << ": ";
        solve(test);
    }

    cerr << endl << "Time: " << int(getCurrentTime() * 1000) << " ms" << endl;

    return 0;
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 372 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 372 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 14 ms 688 KB Output is correct
12 Correct 21 ms 1612 KB Output is correct
13 Correct 19 ms 1640 KB Output is correct
14 Correct 37 ms 1612 KB Output is correct
15 Correct 30 ms 1656 KB Output is correct
16 Correct 20 ms 1676 KB Output is correct
17 Correct 16 ms 1308 KB Output is correct
18 Correct 20 ms 1656 KB Output is correct

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Runtime error 595 ms 262148 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 928 ms 27184 KB Output is correct
2 Correct 788 ms 27092 KB Output is correct
3 Correct 841 ms 27208 KB Output is correct
4 Correct 716 ms 27112 KB Output is correct
5 Correct 737 ms 26988 KB Output is correct
6 Correct 645 ms 26984 KB Output is correct
7 Correct 692 ms 27044 KB Output is correct
8 Correct 618 ms 27040 KB Output is correct
9 Correct 214 ms 600 KB Output is correct
10 Correct 556 ms 27032 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 372 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 14 ms 688 KB Output is correct
12 Correct 21 ms 1612 KB Output is correct
13 Correct 19 ms 1640 KB Output is correct
14 Correct 37 ms 1612 KB Output is correct
15 Correct 30 ms 1656 KB Output is correct
16 Correct 20 ms 1676 KB Output is correct
17 Correct 16 ms 1308 KB Output is correct
18 Correct 20 ms 1656 KB Output is correct
19 Correct 1873 ms 54604 KB Output is correct
20 Correct 1908 ms 54628 KB Output is correct
21 Correct 1586 ms 56220 KB Output is correct
22 Correct 1666 ms 60452 KB Output is correct
23 Correct 1654 ms 60460 KB Output is correct
24 Correct 1570 ms 60536 KB Output is correct
25 Correct 1504 ms 60272 KB Output is correct
26 Correct 1644 ms 60664 KB Output is correct
27 Correct 1619 ms 60700 KB Output is correct
28 Correct 1549 ms 60556 KB Output is correct
29 Correct 1618 ms 60616 KB Output is correct
30 Correct 1670 ms 60592 KB Output is correct
31 Correct 1648 ms 60944 KB Output is correct
32 Correct 1596 ms 60636 KB Output is correct
33 Correct 1686 ms 60592 KB Output is correct
34 Correct 1575 ms 60380 KB Output is correct
35 Correct 1391 ms 60224 KB Output is correct
36 Correct 1405 ms 60060 KB Output is correct
37 Correct 1433 ms 59988 KB Output is correct
38 Correct 1457 ms 60228 KB Output is correct
39 Correct 1383 ms 59280 KB Output is correct
40 Correct 921 ms 37960 KB Output is correct
41 Correct 1285 ms 58792 KB Output is correct

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 3 ms 332 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 3 ms 372 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 14 ms 688 KB Output is correct
12 Correct 21 ms 1612 KB Output is correct
13 Correct 19 ms 1640 KB Output is correct
14 Correct 37 ms 1612 KB Output is correct
15 Correct 30 ms 1656 KB Output is correct
16 Correct 20 ms 1676 KB Output is correct
17 Correct 16 ms 1308 KB Output is correct
18 Correct 20 ms 1656 KB Output is correct
19 Runtime error 595 ms 262148 KB Execution killed with signal 9
20 Halted 0 ms 0 KB -