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Submission #886818

# Submission time Handle Problem Language Result Execution time Memory
886818 2023-12-13T02:49:33 Z tsumondai Curtains (NOI23_curtains) C++14
100 / 100
 931 ms 95760 KB 
#include<bits/stdc++.h>
using namespace std;

namespace Solve
{
    typedef pair<long long, long long> ox;
    vector<int> events[1000001];
    vector<ox> query[1000001];
    #define fi first
    #define se second
    long long lazy[2000001], node[2000001];
    bool res[1000001];
    int n, m, q;

    void down(int id, int l, int r)
    {
        if(lazy[id] == 0) return;
        node[id] = max(node[id], lazy[id]);

        if(l != r)
        {
            lazy[id * 2] = max(lazy[id * 2], lazy[id]);
            lazy[id * 2 + 1] = max(lazy[id * 2 + 1], lazy[id]);
        }

        lazy[id] = 0;
    }

    void update(int id, int l, int r, int L, int R, int val)
    {
        down(id, l, r);
        if(l > R || r < L) return;
        if(L <= l && r <= R)
        {
            lazy[id] = val;
            down(id, l, r);
            return;
        }

        update(id * 2, l, (l + r)/2, L, R, val);
        update(id * 2 + 1, (l + r)/2 + 1, r, L, R, val);

        node[id] = min(node[id * 2], node[id * 2 + 1]);
    }

    int get(int id, int l, int r, int L, int R)
    {
        down(id, l, r);
        if(l > R || r < L) return 1e9;
        if(L <= l && r <= R)
        {
            return node[id];
        }

        return min(get(id * 2, l, (l + r)/2, L, R), get(id * 2 + 1, (l + r)/2 + 1, r, L, R));
    }

    void solve()
    {
        cin >> n >> m >> q;
        for(int i = 1; i <= m ;i++)
        {
            int l, r;
            cin >> l >> r;
            events[r].push_back(l);
        }

        for(int i = 1; i <= q; i++)
        {
            int l, r;
            cin >> l >> r;
            query[r].push_back({l, i});
        }

        for(int r = 1; r <= n; r++)
        {
            for(auto l: events[r])
            {
                update(1, 1, n, l, r, l);
            }

            for(auto it: query[r])
            {
                int l = it.fi;
                int id = it.se;

                if(get(1, 1, n, l, r) >= l)
                {
                    res[id] = 1;
                }
            }
        }

        for(int i = 1; i <= q; i++)
        {
            cout << (res[i] ? "YES\n" : "NO\n");
        }
    }
}
int main()
{
    ios_base::sync_with_stdio(NULL);
    cin.tie(NULL);
    cout.tie(NULL);


    Solve::solve();
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 10 ms 48708 KB Output is correct
3 Correct 10 ms 48732 KB Output is correct
4 Correct 11 ms 48692 KB Output is correct
5 Correct 11 ms 48732 KB Output is correct
6 Correct 12 ms 48692 KB Output is correct
7 Correct 11 ms 48732 KB Output is correct
8 Correct 11 ms 48792 KB Output is correct
9 Correct 10 ms 48732 KB Output is correct
10 Correct 10 ms 48732 KB Output is correct
11 Correct 10 ms 48732 KB Output is correct
12 Correct 12 ms 48732 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 10 ms 48708 KB Output is correct
3 Correct 10 ms 48732 KB Output is correct
4 Correct 11 ms 48692 KB Output is correct
5 Correct 11 ms 48732 KB Output is correct
6 Correct 12 ms 48692 KB Output is correct
7 Correct 11 ms 48732 KB Output is correct
8 Correct 11 ms 48792 KB Output is correct
9 Correct 10 ms 48732 KB Output is correct
10 Correct 10 ms 48732 KB Output is correct
11 Correct 10 ms 48732 KB Output is correct
12 Correct 12 ms 48732 KB Output is correct
13 Correct 12 ms 48732 KB Output is correct
14 Correct 13 ms 48732 KB Output is correct
15 Correct 12 ms 48732 KB Output is correct
16 Correct 12 ms 48936 KB Output is correct
17 Correct 12 ms 48732 KB Output is correct
18 Correct 11 ms 48944 KB Output is correct
19 Correct 12 ms 48728 KB Output is correct
20 Correct 14 ms 48912 KB Output is correct
21 Correct 12 ms 48728 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 10 ms 48708 KB Output is correct
3 Correct 10 ms 48732 KB Output is correct
4 Correct 11 ms 48692 KB Output is correct
5 Correct 11 ms 48732 KB Output is correct
6 Correct 12 ms 48692 KB Output is correct
7 Correct 11 ms 48732 KB Output is correct
8 Correct 11 ms 48792 KB Output is correct
9 Correct 10 ms 48732 KB Output is correct
10 Correct 10 ms 48732 KB Output is correct
11 Correct 10 ms 48732 KB Output is correct
12 Correct 12 ms 48732 KB Output is correct
13 Correct 12 ms 48732 KB Output is correct
14 Correct 13 ms 48732 KB Output is correct
15 Correct 12 ms 48732 KB Output is correct
16 Correct 12 ms 48936 KB Output is correct
17 Correct 12 ms 48732 KB Output is correct
18 Correct 11 ms 48944 KB Output is correct
19 Correct 12 ms 48728 KB Output is correct
20 Correct 14 ms 48912 KB Output is correct
21 Correct 12 ms 48728 KB Output is correct
22 Correct 191 ms 62892 KB Output is correct
23 Correct 190 ms 63140 KB Output is correct
24 Correct 225 ms 63824 KB Output is correct
25 Correct 370 ms 65928 KB Output is correct
26 Correct 189 ms 63068 KB Output is correct
27 Correct 374 ms 66064 KB Output is correct
28 Correct 380 ms 66128 KB Output is correct
29 Correct 174 ms 61600 KB Output is correct
30 Correct 124 ms 63756 KB Output is correct
31 Correct 137 ms 64076 KB Output is correct
32 Correct 298 ms 66940 KB Output is correct
33 Correct 123 ms 63604 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 11 ms 48792 KB Output is correct
3 Correct 11 ms 48732 KB Output is correct
4 Correct 10 ms 48984 KB Output is correct
5 Correct 12 ms 48984 KB Output is correct
6 Correct 12 ms 48732 KB Output is correct
7 Correct 12 ms 48732 KB Output is correct
8 Correct 119 ms 63772 KB Output is correct
9 Correct 138 ms 64080 KB Output is correct
10 Correct 298 ms 66900 KB Output is correct
11 Correct 125 ms 63864 KB Output is correct
12 Correct 114 ms 58196 KB Output is correct
13 Correct 114 ms 58172 KB Output is correct
14 Correct 89 ms 58148 KB Output is correct
15 Correct 89 ms 57680 KB Output is correct
16 Correct 91 ms 58032 KB Output is correct
17 Correct 89 ms 57684 KB Output is correct
18 Correct 710 ms 92184 KB Output is correct
19 Correct 726 ms 92060 KB Output is correct
20 Correct 548 ms 92460 KB Output is correct
21 Correct 528 ms 91588 KB Output is correct
22 Correct 530 ms 90632 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 10 ms 48708 KB Output is correct
3 Correct 10 ms 48732 KB Output is correct
4 Correct 11 ms 48692 KB Output is correct
5 Correct 11 ms 48732 KB Output is correct
6 Correct 12 ms 48692 KB Output is correct
7 Correct 11 ms 48732 KB Output is correct
8 Correct 11 ms 48792 KB Output is correct
9 Correct 10 ms 48732 KB Output is correct
10 Correct 10 ms 48732 KB Output is correct
11 Correct 10 ms 48732 KB Output is correct
12 Correct 12 ms 48732 KB Output is correct
13 Correct 12 ms 48732 KB Output is correct
14 Correct 13 ms 48732 KB Output is correct
15 Correct 12 ms 48732 KB Output is correct
16 Correct 12 ms 48936 KB Output is correct
17 Correct 12 ms 48732 KB Output is correct
18 Correct 11 ms 48944 KB Output is correct
19 Correct 12 ms 48728 KB Output is correct
20 Correct 14 ms 48912 KB Output is correct
21 Correct 12 ms 48728 KB Output is correct
22 Correct 105 ms 53140 KB Output is correct
23 Correct 105 ms 53076 KB Output is correct
24 Correct 143 ms 57648 KB Output is correct
25 Correct 137 ms 57524 KB Output is correct
26 Correct 121 ms 58512 KB Output is correct
27 Correct 113 ms 58820 KB Output is correct
28 Correct 92 ms 57168 KB Output is correct
29 Correct 107 ms 57936 KB Output is correct
30 Correct 140 ms 57444 KB Output is correct
31 Correct 139 ms 57564 KB Output is correct
32 Correct 128 ms 58020 KB Output is correct
33 Correct 129 ms 58280 KB Output is correct
34 Correct 128 ms 57428 KB Output is correct
35 Correct 128 ms 57592 KB Output is correct
36 Correct 125 ms 57940 KB Output is correct
37 Correct 114 ms 58040 KB Output is correct
38 Correct 119 ms 58200 KB Output is correct
39 Correct 93 ms 57948 KB Output is correct
40 Correct 88 ms 57540 KB Output is correct
41 Correct 102 ms 57816 KB Output is correct
42 Correct 91 ms 57484 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 48728 KB Output is correct
2 Correct 10 ms 48708 KB Output is correct
3 Correct 10 ms 48732 KB Output is correct
4 Correct 11 ms 48692 KB Output is correct
5 Correct 11 ms 48732 KB Output is correct
6 Correct 12 ms 48692 KB Output is correct
7 Correct 11 ms 48732 KB Output is correct
8 Correct 11 ms 48792 KB Output is correct
9 Correct 10 ms 48732 KB Output is correct
10 Correct 10 ms 48732 KB Output is correct
11 Correct 10 ms 48732 KB Output is correct
12 Correct 12 ms 48732 KB Output is correct
13 Correct 12 ms 48732 KB Output is correct
14 Correct 13 ms 48732 KB Output is correct
15 Correct 12 ms 48732 KB Output is correct
16 Correct 12 ms 48936 KB Output is correct
17 Correct 12 ms 48732 KB Output is correct
18 Correct 11 ms 48944 KB Output is correct
19 Correct 12 ms 48728 KB Output is correct
20 Correct 14 ms 48912 KB Output is correct
21 Correct 12 ms 48728 KB Output is correct
22 Correct 191 ms 62892 KB Output is correct
23 Correct 190 ms 63140 KB Output is correct
24 Correct 225 ms 63824 KB Output is correct
25 Correct 370 ms 65928 KB Output is correct
26 Correct 189 ms 63068 KB Output is correct
27 Correct 374 ms 66064 KB Output is correct
28 Correct 380 ms 66128 KB Output is correct
29 Correct 174 ms 61600 KB Output is correct
30 Correct 124 ms 63756 KB Output is correct
31 Correct 137 ms 64076 KB Output is correct
32 Correct 298 ms 66940 KB Output is correct
33 Correct 123 ms 63604 KB Output is correct
34 Correct 10 ms 48728 KB Output is correct
35 Correct 11 ms 48792 KB Output is correct
36 Correct 11 ms 48732 KB Output is correct
37 Correct 10 ms 48984 KB Output is correct
38 Correct 12 ms 48984 KB Output is correct
39 Correct 12 ms 48732 KB Output is correct
40 Correct 12 ms 48732 KB Output is correct
41 Correct 119 ms 63772 KB Output is correct
42 Correct 138 ms 64080 KB Output is correct
43 Correct 298 ms 66900 KB Output is correct
44 Correct 125 ms 63864 KB Output is correct
45 Correct 114 ms 58196 KB Output is correct
46 Correct 114 ms 58172 KB Output is correct
47 Correct 89 ms 58148 KB Output is correct
48 Correct 89 ms 57680 KB Output is correct
49 Correct 91 ms 58032 KB Output is correct
50 Correct 89 ms 57684 KB Output is correct
51 Correct 710 ms 92184 KB Output is correct
52 Correct 726 ms 92060 KB Output is correct
53 Correct 548 ms 92460 KB Output is correct
54 Correct 528 ms 91588 KB Output is correct
55 Correct 530 ms 90632 KB Output is correct
56 Correct 105 ms 53140 KB Output is correct
57 Correct 105 ms 53076 KB Output is correct
58 Correct 143 ms 57648 KB Output is correct
59 Correct 137 ms 57524 KB Output is correct
60 Correct 121 ms 58512 KB Output is correct
61 Correct 113 ms 58820 KB Output is correct
62 Correct 92 ms 57168 KB Output is correct
63 Correct 107 ms 57936 KB Output is correct
64 Correct 140 ms 57444 KB Output is correct
65 Correct 139 ms 57564 KB Output is correct
66 Correct 128 ms 58020 KB Output is correct
67 Correct 129 ms 58280 KB Output is correct
68 Correct 128 ms 57428 KB Output is correct
69 Correct 128 ms 57592 KB Output is correct
70 Correct 125 ms 57940 KB Output is correct
71 Correct 114 ms 58040 KB Output is correct
72 Correct 119 ms 58200 KB Output is correct
73 Correct 93 ms 57948 KB Output is correct
74 Correct 88 ms 57540 KB Output is correct
75 Correct 102 ms 57816 KB Output is correct
76 Correct 91 ms 57484 KB Output is correct
77 Correct 864 ms 89936 KB Output is correct
78 Correct 886 ms 89316 KB Output is correct
79 Correct 670 ms 94548 KB Output is correct
80 Correct 682 ms 95760 KB Output is correct
81 Correct 649 ms 94056 KB Output is correct
82 Correct 642 ms 93708 KB Output is correct
83 Correct 850 ms 89684 KB Output is correct
84 Correct 931 ms 89424 KB Output is correct
85 Correct 787 ms 90924 KB Output is correct
86 Correct 739 ms 88916 KB Output is correct
87 Correct 757 ms 88944 KB Output is correct
88 Correct 678 ms 94804 KB Output is correct