oj.uz

Submission #1102872

# Submission time Handle Problem Language Result Execution time Memory
1102872 2024-10-19T05:56:10 Z ttamx Curtains (NOI23_curtains) C++17
100 / 100
 763 ms 72828 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{
    int t[K],lz[K];
    void apply(int i,int v){
        t[i]=max(t[i],v);
        lz[i]=max(lz[i],v);
    }
    void push(int i){
        apply(i*2,lz[i]);
        apply(i*2+1,lz[i]);
        lz[i]=0;
    }
    void update(int l,int r,int i,int x,int y,int v){
        if(y<l||r<x)return;
        if(x<=l&&r<=y)return apply(i,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]=min(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];
        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 5 ms 26192 KB Output is correct
2 Correct 5 ms 26292 KB Output is correct
3 Correct 6 ms 26192 KB Output is correct
4 Correct 5 ms 26192 KB Output is correct
5 Correct 6 ms 26208 KB Output is correct
6 Correct 5 ms 26192 KB Output is correct
7 Correct 5 ms 26192 KB Output is correct
8 Correct 5 ms 26192 KB Output is correct
9 Correct 5 ms 26192 KB Output is correct
10 Correct 5 ms 26192 KB Output is correct
11 Correct 5 ms 26192 KB Output is correct
12 Correct 5 ms 26192 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 26192 KB Output is correct
2 Correct 5 ms 26292 KB Output is correct
3 Correct 6 ms 26192 KB Output is correct
4 Correct 5 ms 26192 KB Output is correct
5 Correct 6 ms 26208 KB Output is correct
6 Correct 5 ms 26192 KB Output is correct
7 Correct 5 ms 26192 KB Output is correct
8 Correct 5 ms 26192 KB Output is correct
9 Correct 5 ms 26192 KB Output is correct
10 Correct 5 ms 26192 KB Output is correct
11 Correct 5 ms 26192 KB Output is correct
12 Correct 5 ms 26192 KB Output is correct
13 Correct 7 ms 26448 KB Output is correct
14 Correct 6 ms 26448 KB Output is correct
15 Correct 6 ms 26448 KB Output is correct
16 Correct 8 ms 26448 KB Output is correct
17 Correct 6 ms 26448 KB Output is correct
18 Correct 6 ms 26464 KB Output is correct
19 Correct 6 ms 26448 KB Output is correct
20 Correct 6 ms 26448 KB Output is correct
21 Correct 8 ms 26448 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 26192 KB Output is correct
2 Correct 5 ms 26292 KB Output is correct
3 Correct 6 ms 26192 KB Output is correct
4 Correct 5 ms 26192 KB Output is correct
5 Correct 6 ms 26208 KB Output is correct
6 Correct 5 ms 26192 KB Output is correct
7 Correct 5 ms 26192 KB Output is correct
8 Correct 5 ms 26192 KB Output is correct
9 Correct 5 ms 26192 KB Output is correct
10 Correct 5 ms 26192 KB Output is correct
11 Correct 5 ms 26192 KB Output is correct
12 Correct 5 ms 26192 KB Output is correct
13 Correct 7 ms 26448 KB Output is correct
14 Correct 6 ms 26448 KB Output is correct
15 Correct 6 ms 26448 KB Output is correct
16 Correct 8 ms 26448 KB Output is correct
17 Correct 6 ms 26448 KB Output is correct
18 Correct 6 ms 26464 KB Output is correct
19 Correct 6 ms 26448 KB Output is correct
20 Correct 6 ms 26448 KB Output is correct
21 Correct 8 ms 26448 KB Output is correct
22 Correct 160 ms 38216 KB Output is correct
23 Correct 155 ms 38728 KB Output is correct
24 Correct 183 ms 40104 KB Output is correct
25 Correct 298 ms 45184 KB Output is correct
26 Correct 140 ms 38728 KB Output is correct
27 Correct 276 ms 45896 KB Output is correct
28 Correct 285 ms 45656 KB Output is correct
29 Correct 155 ms 37448 KB Output is correct
30 Correct 98 ms 37704 KB Output is correct
31 Correct 107 ms 38480 KB Output is correct
32 Correct 245 ms 45016 KB Output is correct
33 Correct 96 ms 37704 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 26192 KB Output is correct
2 Correct 6 ms 26192 KB Output is correct
3 Correct 5 ms 26204 KB Output is correct
4 Correct 6 ms 26192 KB Output is correct
5 Correct 8 ms 26448 KB Output is correct
6 Correct 8 ms 26480 KB Output is correct
7 Correct 7 ms 26448 KB Output is correct
8 Correct 102 ms 36424 KB Output is correct
9 Correct 113 ms 34980 KB Output is correct
10 Correct 245 ms 41688 KB Output is correct
11 Correct 104 ms 37716 KB Output is correct
12 Correct 90 ms 35400 KB Output is correct
13 Correct 109 ms 35400 KB Output is correct
14 Correct 71 ms 35656 KB Output is correct
15 Correct 75 ms 35148 KB Output is correct
16 Correct 91 ms 35476 KB Output is correct
17 Correct 81 ms 35144 KB Output is correct
18 Correct 700 ms 69456 KB Output is correct
19 Correct 560 ms 69704 KB Output is correct
20 Correct 456 ms 70172 KB Output is correct
21 Correct 497 ms 69584 KB Output is correct
22 Correct 508 ms 67808 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 26192 KB Output is correct
2 Correct 5 ms 26292 KB Output is correct
3 Correct 6 ms 26192 KB Output is correct
4 Correct 5 ms 26192 KB Output is correct
5 Correct 6 ms 26208 KB Output is correct
6 Correct 5 ms 26192 KB Output is correct
7 Correct 5 ms 26192 KB Output is correct
8 Correct 5 ms 26192 KB Output is correct
9 Correct 5 ms 26192 KB Output is correct
10 Correct 5 ms 26192 KB Output is correct
11 Correct 5 ms 26192 KB Output is correct
12 Correct 5 ms 26192 KB Output is correct
13 Correct 7 ms 26448 KB Output is correct
14 Correct 6 ms 26448 KB Output is correct
15 Correct 6 ms 26448 KB Output is correct
16 Correct 8 ms 26448 KB Output is correct
17 Correct 6 ms 26448 KB Output is correct
18 Correct 6 ms 26464 KB Output is correct
19 Correct 6 ms 26448 KB Output is correct
20 Correct 6 ms 26448 KB Output is correct
21 Correct 8 ms 26448 KB Output is correct
22 Correct 79 ms 30840 KB Output is correct
23 Correct 76 ms 31048 KB Output is correct
24 Correct 106 ms 34632 KB Output is correct
25 Correct 122 ms 34740 KB Output is correct
26 Correct 102 ms 35912 KB Output is correct
27 Correct 100 ms 35912 KB Output is correct
28 Correct 84 ms 33864 KB Output is correct
29 Correct 106 ms 35612 KB Output is correct
30 Correct 134 ms 34632 KB Output is correct
31 Correct 125 ms 34632 KB Output is correct
32 Correct 112 ms 35312 KB Output is correct
33 Correct 103 ms 35404 KB Output is correct
34 Correct 100 ms 34120 KB Output is correct
35 Correct 118 ms 34376 KB Output is correct
36 Correct 98 ms 34924 KB Output is correct
37 Correct 114 ms 35400 KB Output is correct
38 Correct 101 ms 35480 KB Output is correct
39 Correct 84 ms 35656 KB Output is correct
40 Correct 87 ms 35248 KB Output is correct
41 Correct 76 ms 35400 KB Output is correct
42 Correct 83 ms 35080 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 26192 KB Output is correct
2 Correct 5 ms 26292 KB Output is correct
3 Correct 6 ms 26192 KB Output is correct
4 Correct 5 ms 26192 KB Output is correct
5 Correct 6 ms 26208 KB Output is correct
6 Correct 5 ms 26192 KB Output is correct
7 Correct 5 ms 26192 KB Output is correct
8 Correct 5 ms 26192 KB Output is correct
9 Correct 5 ms 26192 KB Output is correct
10 Correct 5 ms 26192 KB Output is correct
11 Correct 5 ms 26192 KB Output is correct
12 Correct 5 ms 26192 KB Output is correct
13 Correct 7 ms 26448 KB Output is correct
14 Correct 6 ms 26448 KB Output is correct
15 Correct 6 ms 26448 KB Output is correct
16 Correct 8 ms 26448 KB Output is correct
17 Correct 6 ms 26448 KB Output is correct
18 Correct 6 ms 26464 KB Output is correct
19 Correct 6 ms 26448 KB Output is correct
20 Correct 6 ms 26448 KB Output is correct
21 Correct 8 ms 26448 KB Output is correct
22 Correct 160 ms 38216 KB Output is correct
23 Correct 155 ms 38728 KB Output is correct
24 Correct 183 ms 40104 KB Output is correct
25 Correct 298 ms 45184 KB Output is correct
26 Correct 140 ms 38728 KB Output is correct
27 Correct 276 ms 45896 KB Output is correct
28 Correct 285 ms 45656 KB Output is correct
29 Correct 155 ms 37448 KB Output is correct
30 Correct 98 ms 37704 KB Output is correct
31 Correct 107 ms 38480 KB Output is correct
32 Correct 245 ms 45016 KB Output is correct
33 Correct 96 ms 37704 KB Output is correct
34 Correct 6 ms 26192 KB Output is correct
35 Correct 6 ms 26192 KB Output is correct
36 Correct 5 ms 26204 KB Output is correct
37 Correct 6 ms 26192 KB Output is correct
38 Correct 8 ms 26448 KB Output is correct
39 Correct 8 ms 26480 KB Output is correct
40 Correct 7 ms 26448 KB Output is correct
41 Correct 102 ms 36424 KB Output is correct
42 Correct 113 ms 34980 KB Output is correct
43 Correct 245 ms 41688 KB Output is correct
44 Correct 104 ms 37716 KB Output is correct
45 Correct 90 ms 35400 KB Output is correct
46 Correct 109 ms 35400 KB Output is correct
47 Correct 71 ms 35656 KB Output is correct
48 Correct 75 ms 35148 KB Output is correct
49 Correct 91 ms 35476 KB Output is correct
50 Correct 81 ms 35144 KB Output is correct
51 Correct 700 ms 69456 KB Output is correct
52 Correct 560 ms 69704 KB Output is correct
53 Correct 456 ms 70172 KB Output is correct
54 Correct 497 ms 69584 KB Output is correct
55 Correct 508 ms 67808 KB Output is correct
56 Correct 79 ms 30840 KB Output is correct
57 Correct 76 ms 31048 KB Output is correct
58 Correct 106 ms 34632 KB Output is correct
59 Correct 122 ms 34740 KB Output is correct
60 Correct 102 ms 35912 KB Output is correct
61 Correct 100 ms 35912 KB Output is correct
62 Correct 84 ms 33864 KB Output is correct
63 Correct 106 ms 35612 KB Output is correct
64 Correct 134 ms 34632 KB Output is correct
65 Correct 125 ms 34632 KB Output is correct
66 Correct 112 ms 35312 KB Output is correct
67 Correct 103 ms 35404 KB Output is correct
68 Correct 100 ms 34120 KB Output is correct
69 Correct 118 ms 34376 KB Output is correct
70 Correct 98 ms 34924 KB Output is correct
71 Correct 114 ms 35400 KB Output is correct
72 Correct 101 ms 35480 KB Output is correct
73 Correct 84 ms 35656 KB Output is correct
74 Correct 87 ms 35248 KB Output is correct
75 Correct 76 ms 35400 KB Output is correct
76 Correct 83 ms 35080 KB Output is correct
77 Correct 763 ms 65864 KB Output is correct
78 Correct 707 ms 65076 KB Output is correct
79 Correct 639 ms 72664 KB Output is correct
80 Correct 592 ms 72828 KB Output is correct
81 Correct 541 ms 70240 KB Output is correct
82 Correct 562 ms 71464 KB Output is correct
83 Correct 643 ms 66356 KB Output is correct
84 Correct 709 ms 66376 KB Output is correct
85 Correct 751 ms 67400 KB Output is correct
86 Correct 668 ms 64004 KB Output is correct
87 Correct 671 ms 63048 KB Output is correct
88 Correct 647 ms 70728 KB Output is correct