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Submission #1102770

# Submission time Handle Problem Language Result Execution time Memory
1102770 2024-10-18T20:02:49 Z ttamx Curtains (NOI23_curtains) C++17
100 / 100
 743 ms 73036 KB 
#include<bits/stdc++.h>
 
using namespace std;

const int N=5e5+5;
const int K=1<<20;
const int INF=INT_MAX/2;

int n,m,q;
vector<int> upd[N];
vector<pair<int,int>> qrs[N];
bool ans[N];

struct SegTree{
    struct Node{
        int mn,mn2;
        Node():mn(0),mn2(INF){}
        Node(int _mn,int _mn2):mn(_mn),mn2(_mn2){}
        friend Node operator+(const Node &lhs,const Node &rhs){
            if(lhs.mn<rhs.mn)return Node(lhs.mn,min(rhs.mn,lhs.mn2));
            if(lhs.mn>rhs.mn)return Node(rhs.mn,min(lhs.mn,rhs.mn2));
            return Node(lhs.mn,min(lhs.mn2,rhs.mn2));
        }
        void chmax(int v){
            if(v<=mn)return;
            mn=v;
            if(mn>=mn2)mn2=INF;
        }
    }t[K];
    void push(int i){
        t[i*2].chmax(t[i].mn);
        t[i*2+1].chmax(t[i].mn);
    }
    void update(int l,int r,int i,int x,int y,int v){
        if(y<l||r<x||t[i].mn>=v)return;
        if(x<=l&&r<=y&&t[i].mn2>v)return t[i].chmax(v);
        push(i);
        int m=(l+r)/2;
        update(l,m,i*2,x,y,v);
        update(m+1,r,i*2+1,x,y,v);
        t[i]=t[i*2]+t[i*2+1];
    }
    void update(int x,int y,int v){
        update(1,n,1,x,y,v);
    }
    int query(int l,int r,int i,int x,int y){
        if(y<l||r<x)return INF;
        if(x<=l&&r<=y)return t[i].mn;
        push(i);
        int m=(l+r)/2;
        return min(query(l,m,i*2,x,y),query(m+1,r,i*2+1,x,y));
    }
    int query(int x,int y){
        return query(1,n,1,x,y);
    }
}seg;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> m >> q;
    for(int i=0;i<m;i++){
        int l,r;
        cin >> l >> r;
        upd[r].emplace_back(l);
    }
    for(int i=0;i<q;i++){
        int l,r;
        cin >> l >> r;
        qrs[r].emplace_back(l,i);
    }
    for(int r=1;r<=n;r++){
        for(auto l:upd[r]){
            seg.update(l,r,l);
        }
        for(auto [l,i]:qrs[r]){
            ans[i]=(seg.query(l,r)>=l);
        }
    }
    for(int i=0;i<q;i++){
        cout << (ans[i]?"YES":"NO") << "\n";
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32596 KB Output is correct
2 Correct 6 ms 32596 KB Output is correct
3 Correct 6 ms 32596 KB Output is correct
4 Correct 6 ms 32596 KB Output is correct
5 Correct 6 ms 32596 KB Output is correct
6 Correct 7 ms 32596 KB Output is correct
7 Correct 7 ms 32640 KB Output is correct
8 Correct 7 ms 32596 KB Output is correct
9 Correct 6 ms 32596 KB Output is correct
10 Correct 8 ms 32596 KB Output is correct
11 Correct 7 ms 32408 KB Output is correct
12 Correct 7 ms 32596 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32596 KB Output is correct
2 Correct 6 ms 32596 KB Output is correct
3 Correct 6 ms 32596 KB Output is correct
4 Correct 6 ms 32596 KB Output is correct
5 Correct 6 ms 32596 KB Output is correct
6 Correct 7 ms 32596 KB Output is correct
7 Correct 7 ms 32640 KB Output is correct
8 Correct 7 ms 32596 KB Output is correct
9 Correct 6 ms 32596 KB Output is correct
10 Correct 8 ms 32596 KB Output is correct
11 Correct 7 ms 32408 KB Output is correct
12 Correct 7 ms 32596 KB Output is correct
13 Correct 10 ms 32596 KB Output is correct
14 Correct 9 ms 32596 KB Output is correct
15 Correct 9 ms 32596 KB Output is correct
16 Correct 9 ms 32596 KB Output is correct
17 Correct 9 ms 32760 KB Output is correct
18 Correct 9 ms 32596 KB Output is correct
19 Correct 8 ms 32596 KB Output is correct
20 Correct 8 ms 32596 KB Output is correct
21 Correct 8 ms 32596 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32596 KB Output is correct
2 Correct 6 ms 32596 KB Output is correct
3 Correct 6 ms 32596 KB Output is correct
4 Correct 6 ms 32596 KB Output is correct
5 Correct 6 ms 32596 KB Output is correct
6 Correct 7 ms 32596 KB Output is correct
7 Correct 7 ms 32640 KB Output is correct
8 Correct 7 ms 32596 KB Output is correct
9 Correct 6 ms 32596 KB Output is correct
10 Correct 8 ms 32596 KB Output is correct
11 Correct 7 ms 32408 KB Output is correct
12 Correct 7 ms 32596 KB Output is correct
13 Correct 10 ms 32596 KB Output is correct
14 Correct 9 ms 32596 KB Output is correct
15 Correct 9 ms 32596 KB Output is correct
16 Correct 9 ms 32596 KB Output is correct
17 Correct 9 ms 32760 KB Output is correct
18 Correct 9 ms 32596 KB Output is correct
19 Correct 8 ms 32596 KB Output is correct
20 Correct 8 ms 32596 KB Output is correct
21 Correct 8 ms 32596 KB Output is correct
22 Correct 141 ms 44744 KB Output is correct
23 Correct 144 ms 45136 KB Output is correct
24 Correct 162 ms 46412 KB Output is correct
25 Correct 282 ms 52300 KB Output is correct
26 Correct 154 ms 44776 KB Output is correct
27 Correct 271 ms 52300 KB Output is correct
28 Correct 275 ms 52300 KB Output is correct
29 Correct 125 ms 43888 KB Output is correct
30 Correct 89 ms 43948 KB Output is correct
31 Correct 106 ms 44876 KB Output is correct
32 Correct 224 ms 51532 KB Output is correct
33 Correct 88 ms 44108 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32576 KB Output is correct
2 Correct 7 ms 32596 KB Output is correct
3 Correct 7 ms 32596 KB Output is correct
4 Correct 7 ms 32596 KB Output is correct
5 Correct 9 ms 32676 KB Output is correct
6 Correct 10 ms 32596 KB Output is correct
7 Correct 8 ms 32596 KB Output is correct
8 Correct 92 ms 44092 KB Output is correct
9 Correct 103 ms 44876 KB Output is correct
10 Correct 219 ms 51284 KB Output is correct
11 Correct 96 ms 44108 KB Output is correct
12 Correct 99 ms 39756 KB Output is correct
13 Correct 99 ms 39756 KB Output is correct
14 Correct 81 ms 39824 KB Output is correct
15 Correct 94 ms 39500 KB Output is correct
16 Correct 82 ms 39756 KB Output is correct
17 Correct 82 ms 39504 KB Output is correct
18 Correct 609 ms 69768 KB Output is correct
19 Correct 615 ms 69964 KB Output is correct
20 Correct 534 ms 70476 KB Output is correct
21 Correct 486 ms 69584 KB Output is correct
22 Correct 507 ms 68840 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32596 KB Output is correct
2 Correct 6 ms 32596 KB Output is correct
3 Correct 6 ms 32596 KB Output is correct
4 Correct 6 ms 32596 KB Output is correct
5 Correct 6 ms 32596 KB Output is correct
6 Correct 7 ms 32596 KB Output is correct
7 Correct 7 ms 32640 KB Output is correct
8 Correct 7 ms 32596 KB Output is correct
9 Correct 6 ms 32596 KB Output is correct
10 Correct 8 ms 32596 KB Output is correct
11 Correct 7 ms 32408 KB Output is correct
12 Correct 7 ms 32596 KB Output is correct
13 Correct 10 ms 32596 KB Output is correct
14 Correct 9 ms 32596 KB Output is correct
15 Correct 9 ms 32596 KB Output is correct
16 Correct 9 ms 32596 KB Output is correct
17 Correct 9 ms 32760 KB Output is correct
18 Correct 9 ms 32596 KB Output is correct
19 Correct 8 ms 32596 KB Output is correct
20 Correct 8 ms 32596 KB Output is correct
21 Correct 8 ms 32596 KB Output is correct
22 Correct 92 ms 36952 KB Output is correct
23 Correct 92 ms 36948 KB Output is correct
24 Correct 116 ms 38944 KB Output is correct
25 Correct 117 ms 38988 KB Output is correct
26 Correct 100 ms 40108 KB Output is correct
27 Correct 107 ms 40360 KB Output is correct
28 Correct 79 ms 37964 KB Output is correct
29 Correct 90 ms 39756 KB Output is correct
30 Correct 113 ms 38988 KB Output is correct
31 Correct 118 ms 39044 KB Output is correct
32 Correct 117 ms 39500 KB Output is correct
33 Correct 101 ms 39756 KB Output is correct
34 Correct 112 ms 38476 KB Output is correct
35 Correct 123 ms 38732 KB Output is correct
36 Correct 102 ms 39244 KB Output is correct
37 Correct 105 ms 39640 KB Output is correct
38 Correct 128 ms 39756 KB Output is correct
39 Correct 83 ms 39824 KB Output is correct
40 Correct 96 ms 39500 KB Output is correct
41 Correct 72 ms 39760 KB Output is correct
42 Correct 75 ms 39500 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32596 KB Output is correct
2 Correct 6 ms 32596 KB Output is correct
3 Correct 6 ms 32596 KB Output is correct
4 Correct 6 ms 32596 KB Output is correct
5 Correct 6 ms 32596 KB Output is correct
6 Correct 7 ms 32596 KB Output is correct
7 Correct 7 ms 32640 KB Output is correct
8 Correct 7 ms 32596 KB Output is correct
9 Correct 6 ms 32596 KB Output is correct
10 Correct 8 ms 32596 KB Output is correct
11 Correct 7 ms 32408 KB Output is correct
12 Correct 7 ms 32596 KB Output is correct
13 Correct 10 ms 32596 KB Output is correct
14 Correct 9 ms 32596 KB Output is correct
15 Correct 9 ms 32596 KB Output is correct
16 Correct 9 ms 32596 KB Output is correct
17 Correct 9 ms 32760 KB Output is correct
18 Correct 9 ms 32596 KB Output is correct
19 Correct 8 ms 32596 KB Output is correct
20 Correct 8 ms 32596 KB Output is correct
21 Correct 8 ms 32596 KB Output is correct
22 Correct 141 ms 44744 KB Output is correct
23 Correct 144 ms 45136 KB Output is correct
24 Correct 162 ms 46412 KB Output is correct
25 Correct 282 ms 52300 KB Output is correct
26 Correct 154 ms 44776 KB Output is correct
27 Correct 271 ms 52300 KB Output is correct
28 Correct 275 ms 52300 KB Output is correct
29 Correct 125 ms 43888 KB Output is correct
30 Correct 89 ms 43948 KB Output is correct
31 Correct 106 ms 44876 KB Output is correct
32 Correct 224 ms 51532 KB Output is correct
33 Correct 88 ms 44108 KB Output is correct
34 Correct 6 ms 32576 KB Output is correct
35 Correct 7 ms 32596 KB Output is correct
36 Correct 7 ms 32596 KB Output is correct
37 Correct 7 ms 32596 KB Output is correct
38 Correct 9 ms 32676 KB Output is correct
39 Correct 10 ms 32596 KB Output is correct
40 Correct 8 ms 32596 KB Output is correct
41 Correct 92 ms 44092 KB Output is correct
42 Correct 103 ms 44876 KB Output is correct
43 Correct 219 ms 51284 KB Output is correct
44 Correct 96 ms 44108 KB Output is correct
45 Correct 99 ms 39756 KB Output is correct
46 Correct 99 ms 39756 KB Output is correct
47 Correct 81 ms 39824 KB Output is correct
48 Correct 94 ms 39500 KB Output is correct
49 Correct 82 ms 39756 KB Output is correct
50 Correct 82 ms 39504 KB Output is correct
51 Correct 609 ms 69768 KB Output is correct
52 Correct 615 ms 69964 KB Output is correct
53 Correct 534 ms 70476 KB Output is correct
54 Correct 486 ms 69584 KB Output is correct
55 Correct 507 ms 68840 KB Output is correct
56 Correct 92 ms 36952 KB Output is correct
57 Correct 92 ms 36948 KB Output is correct
58 Correct 116 ms 38944 KB Output is correct
59 Correct 117 ms 38988 KB Output is correct
60 Correct 100 ms 40108 KB Output is correct
61 Correct 107 ms 40360 KB Output is correct
62 Correct 79 ms 37964 KB Output is correct
63 Correct 90 ms 39756 KB Output is correct
64 Correct 113 ms 38988 KB Output is correct
65 Correct 118 ms 39044 KB Output is correct
66 Correct 117 ms 39500 KB Output is correct
67 Correct 101 ms 39756 KB Output is correct
68 Correct 112 ms 38476 KB Output is correct
69 Correct 123 ms 38732 KB Output is correct
70 Correct 102 ms 39244 KB Output is correct
71 Correct 105 ms 39640 KB Output is correct
72 Correct 128 ms 39756 KB Output is correct
73 Correct 83 ms 39824 KB Output is correct
74 Correct 96 ms 39500 KB Output is correct
75 Correct 72 ms 39760 KB Output is correct
76 Correct 75 ms 39500 KB Output is correct
77 Correct 740 ms 66324 KB Output is correct
78 Correct 743 ms 66368 KB Output is correct
79 Correct 588 ms 72780 KB Output is correct
80 Correct 575 ms 73036 KB Output is correct
81 Correct 567 ms 70800 KB Output is correct
82 Correct 549 ms 72012 KB Output is correct
83 Correct 718 ms 66396 KB Output is correct
84 Correct 730 ms 66400 KB Output is correct
85 Correct 704 ms 67968 KB Output is correct
86 Correct 650 ms 64568 KB Output is correct
87 Correct 656 ms 64216 KB Output is correct
88 Correct 583 ms 70988 KB Output is correct