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Submission #930387

# Submission time Handle Problem Language Result Execution time Memory
930387 2024-02-19T14:05:56 Z vjudge1 Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1109 ms 78168 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ld long double
#define ull unsigned long long
#define pii pair<int,int>
#define pll pair<long long, long long>
#define fi first
#define se second
#define all(a) (a).begin(), (a).end()
#define pb push_back
#define lwb lower_bound
#define upb upper_bound

#define TASKNAME "NAME"

void init()
{
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    ///freopen(TASKNAME".INP","r",stdin); freopen(TASKNAME".OUT","w",stdout);
}

const int SZ = 1e6+5;
const ll INF = INT_MAX / 2, MOD = 1e9+7, INFLL = 2e18;
const double epsilon = 1e-3;

struct Query
{
    int lo, hi, k, id;
    Query(int _lo = 0, int _hi = 0, int _k = 0, int _id = 0) : lo(_lo), hi(_hi), k(_k), id(_id) {}

    bool operator < (const Query& other) const
    {
        return hi < other.hi;
    }
} b[SZ];

struct SegTree
{
    int nodes[4*SZ], lazy[4*SZ];

    void down(int id)
    {
        int t = lazy[id];
        lazy[id] = 0;
        nodes[2*id] = max(nodes[2*id],t);
        lazy[2*id] = max(lazy[2*id], t);
        nodes[2*id+1] = max(nodes[2*id+1],t);
        lazy[2*id+1] = max(lazy[2*id+1],t);
    }

    void update(int id, int lo, int hi, int u, int v, int val)
    {
        if(lo > v || hi < u) return;
        if(lo >= u && hi <= v)
        {
            nodes[id] = max(nodes[id], val);
            lazy[id] = max(lazy[id], val);
            return;
        }
        down(id);
        int mid = (lo + hi) / 2;
        update(2*id, lo, mid, u, v, val);
        update(2*id+1, mid+1, hi, u, v, val);
        nodes[id] = max(nodes[2*id], nodes[2*id+1]);
    }

    int query(int id, int lo, int hi, int u, int v)
    {
        if(lo > v || hi < u) return 0;
        if(lo >= u && hi <= v)
        {
            //cout << "query " << lo << " " << hi << " " << nodes[id] << '\n';
            return nodes[id];
        }
        down(id);
        int mid = (lo + hi) / 2;
        return max(query(2*id,lo, mid , u, v), query(2*id+1, mid+1, hi, u, v));
    }
} seg;

int n,m, a[SZ], res[SZ];
stack<int> st;

int main()
{
    init();
    cin >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
    for(int i = 1; i <= m; i++)
    {
        cin >> b[i].lo >> b[i].hi >> b[i].k;
        b[i].id = i;
    }
    sort(b + 1, b + m + 1);
    int j = 1;
    st.push(0);
    for(int i = 1; i <= m; i++)
    {
        int lo = b[i].lo, hi = b[i].hi, k = b[i].k, id = b[i].id;
        while(j <= hi)
        {
            while(st.size() > 1 && a[st.top()] <= a[j]) st.pop();
            if(st.size() > 1)
            {
                int cur = st.top();
                st.pop();
                seg.update(1, 1, n, st.top() + 1, cur, a[j] + a[cur]);
                //cout << "update " << st.top() + 1 << " " << cur << " " << a[j] + a[cur] << '\n';
                st.push(cur);
            }
            st.push(j);
            j++;
        }
        ll trol = seg.query(1, 1, n, lo, hi);
        //cout << lo << " " << hi << " " << k << " " << trol << '\n';
        res[id] = (trol <= k ? 1 : 0);
    }
    for(int i = 1; i <= m; i++)
    {
        cout << res[i] << '\n';
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 22364 KB Output is correct
2 Correct 4 ms 22244 KB Output is correct
3 Correct 5 ms 22108 KB Output is correct
4 Correct 7 ms 22260 KB Output is correct
5 Correct 5 ms 22104 KB Output is correct
6 Correct 5 ms 22108 KB Output is correct
7 Correct 6 ms 22108 KB Output is correct
8 Correct 5 ms 22108 KB Output is correct
9 Correct 5 ms 22108 KB Output is correct
10 Correct 6 ms 22108 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 22364 KB Output is correct
2 Correct 4 ms 22244 KB Output is correct
3 Correct 5 ms 22108 KB Output is correct
4 Correct 7 ms 22260 KB Output is correct
5 Correct 5 ms 22104 KB Output is correct
6 Correct 5 ms 22108 KB Output is correct
7 Correct 6 ms 22108 KB Output is correct
8 Correct 5 ms 22108 KB Output is correct
9 Correct 5 ms 22108 KB Output is correct
10 Correct 6 ms 22108 KB Output is correct
11 Correct 7 ms 22364 KB Output is correct
12 Correct 7 ms 22364 KB Output is correct
13 Correct 8 ms 22364 KB Output is correct
14 Correct 9 ms 22360 KB Output is correct
15 Correct 8 ms 22364 KB Output is correct
16 Correct 8 ms 22364 KB Output is correct
17 Correct 7 ms 22220 KB Output is correct
18 Correct 8 ms 22364 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1090 ms 74744 KB Output is correct
2 Correct 1109 ms 77376 KB Output is correct
3 Correct 1097 ms 77204 KB Output is correct
4 Correct 1104 ms 77128 KB Output is correct
5 Correct 835 ms 77268 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 98 ms 30036 KB Output is correct
2 Correct 82 ms 30148 KB Output is correct
3 Correct 69 ms 30364 KB Output is correct
4 Correct 65 ms 30036 KB Output is correct
5 Correct 64 ms 30136 KB Output is correct
6 Correct 55 ms 28500 KB Output is correct
7 Correct 56 ms 28500 KB Output is correct
8 Correct 72 ms 29844 KB Output is correct
9 Correct 34 ms 25808 KB Output is correct
10 Correct 63 ms 29776 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 22364 KB Output is correct
2 Correct 4 ms 22244 KB Output is correct
3 Correct 5 ms 22108 KB Output is correct
4 Correct 7 ms 22260 KB Output is correct
5 Correct 5 ms 22104 KB Output is correct
6 Correct 5 ms 22108 KB Output is correct
7 Correct 6 ms 22108 KB Output is correct
8 Correct 5 ms 22108 KB Output is correct
9 Correct 5 ms 22108 KB Output is correct
10 Correct 6 ms 22108 KB Output is correct
11 Correct 7 ms 22364 KB Output is correct
12 Correct 7 ms 22364 KB Output is correct
13 Correct 8 ms 22364 KB Output is correct
14 Correct 9 ms 22360 KB Output is correct
15 Correct 8 ms 22364 KB Output is correct
16 Correct 8 ms 22364 KB Output is correct
17 Correct 7 ms 22220 KB Output is correct
18 Correct 8 ms 22364 KB Output is correct
19 Correct 186 ms 37036 KB Output is correct
20 Correct 188 ms 37152 KB Output is correct
21 Correct 174 ms 36708 KB Output is correct
22 Correct 179 ms 36684 KB Output is correct
23 Correct 179 ms 36680 KB Output is correct
24 Correct 125 ms 33604 KB Output is correct
25 Correct 128 ms 33364 KB Output is correct
26 Correct 137 ms 35924 KB Output is correct
27 Correct 138 ms 35928 KB Output is correct
28 Correct 139 ms 36960 KB Output is correct
29 Correct 145 ms 36820 KB Output is correct
30 Correct 143 ms 36944 KB Output is correct
31 Correct 147 ms 36948 KB Output is correct
32 Correct 148 ms 36928 KB Output is correct
33 Correct 143 ms 37016 KB Output is correct
34 Correct 122 ms 32988 KB Output is correct
35 Correct 123 ms 33052 KB Output is correct
36 Correct 121 ms 32852 KB Output is correct
37 Correct 124 ms 32848 KB Output is correct
38 Correct 120 ms 33096 KB Output is correct
39 Correct 141 ms 35672 KB Output is correct
40 Correct 93 ms 32848 KB Output is correct
41 Correct 135 ms 35156 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 22364 KB Output is correct
2 Correct 4 ms 22244 KB Output is correct
3 Correct 5 ms 22108 KB Output is correct
4 Correct 7 ms 22260 KB Output is correct
5 Correct 5 ms 22104 KB Output is correct
6 Correct 5 ms 22108 KB Output is correct
7 Correct 6 ms 22108 KB Output is correct
8 Correct 5 ms 22108 KB Output is correct
9 Correct 5 ms 22108 KB Output is correct
10 Correct 6 ms 22108 KB Output is correct
11 Correct 7 ms 22364 KB Output is correct
12 Correct 7 ms 22364 KB Output is correct
13 Correct 8 ms 22364 KB Output is correct
14 Correct 9 ms 22360 KB Output is correct
15 Correct 8 ms 22364 KB Output is correct
16 Correct 8 ms 22364 KB Output is correct
17 Correct 7 ms 22220 KB Output is correct
18 Correct 8 ms 22364 KB Output is correct
19 Correct 1090 ms 74744 KB Output is correct
20 Correct 1109 ms 77376 KB Output is correct
21 Correct 1097 ms 77204 KB Output is correct
22 Correct 1104 ms 77128 KB Output is correct
23 Correct 835 ms 77268 KB Output is correct
24 Correct 98 ms 30036 KB Output is correct
25 Correct 82 ms 30148 KB Output is correct
26 Correct 69 ms 30364 KB Output is correct
27 Correct 65 ms 30036 KB Output is correct
28 Correct 64 ms 30136 KB Output is correct
29 Correct 55 ms 28500 KB Output is correct
30 Correct 56 ms 28500 KB Output is correct
31 Correct 72 ms 29844 KB Output is correct
32 Correct 34 ms 25808 KB Output is correct
33 Correct 63 ms 29776 KB Output is correct
34 Correct 186 ms 37036 KB Output is correct
35 Correct 188 ms 37152 KB Output is correct
36 Correct 174 ms 36708 KB Output is correct
37 Correct 179 ms 36684 KB Output is correct
38 Correct 179 ms 36680 KB Output is correct
39 Correct 125 ms 33604 KB Output is correct
40 Correct 128 ms 33364 KB Output is correct
41 Correct 137 ms 35924 KB Output is correct
42 Correct 138 ms 35928 KB Output is correct
43 Correct 139 ms 36960 KB Output is correct
44 Correct 145 ms 36820 KB Output is correct
45 Correct 143 ms 36944 KB Output is correct
46 Correct 147 ms 36948 KB Output is correct
47 Correct 148 ms 36928 KB Output is correct
48 Correct 143 ms 37016 KB Output is correct
49 Correct 122 ms 32988 KB Output is correct
50 Correct 123 ms 33052 KB Output is correct
51 Correct 121 ms 32852 KB Output is correct
52 Correct 124 ms 32848 KB Output is correct
53 Correct 120 ms 33096 KB Output is correct
54 Correct 141 ms 35672 KB Output is correct
55 Correct 93 ms 32848 KB Output is correct
56 Correct 135 ms 35156 KB Output is correct
57 Correct 1063 ms 77760 KB Output is correct
58 Correct 1033 ms 77904 KB Output is correct
59 Correct 1002 ms 78168 KB Output is correct
60 Correct 994 ms 77904 KB Output is correct
61 Correct 1000 ms 77768 KB Output is correct
62 Correct 1044 ms 77832 KB Output is correct
63 Correct 651 ms 60276 KB Output is correct
64 Correct 659 ms 60708 KB Output is correct
65 Correct 759 ms 76796 KB Output is correct
66 Correct 803 ms 76888 KB Output is correct
67 Correct 767 ms 77840 KB Output is correct
68 Correct 822 ms 77796 KB Output is correct
69 Correct 804 ms 78164 KB Output is correct
70 Correct 812 ms 77768 KB Output is correct
71 Correct 808 ms 77892 KB Output is correct
72 Correct 829 ms 77904 KB Output is correct
73 Correct 609 ms 58452 KB Output is correct
74 Correct 615 ms 59452 KB Output is correct
75 Correct 613 ms 58704 KB Output is correct
76 Correct 608 ms 58564 KB Output is correct
77 Correct 613 ms 58696 KB Output is correct
78 Correct 719 ms 71876 KB Output is correct
79 Correct 479 ms 58836 KB Output is correct
80 Correct 822 ms 68752 KB Output is correct