oj.uz

Submission #1099120

# Submission time Handle Problem Language Result Execution time Memory
1099120 2024-10-10T15:16:39 Z 0pt1mus23 Curtains (NOI23_curtains) C++14
100 / 100
 847 ms 92452 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define ins insert      
#define pb push_back

#define endl '\n'
#define putr(x) cout<<x<<endl;return; 
#define all(x) x.begin(),x.end()
#define _ << " " <<
mt19937 rng(time(0));

const int mod = 998244353,
        sze = 5e5 +23,
        inf = INT_MAX,    
        Lg = 31;
int T[sze*4];
int L[sze*4];

void upd(int l,int r,int v,int node=1,int lx=0,int rx=sze){
    if(lx>r || rx<l){
        return;
    }
    // cout<<node<<endl;
    if(lx>=l && rx<=r){
        // cout<<lx<<" "<<rx<<" "<<v<<endl;
        T[node]=min(T[node],v);
        L[node]=min(L[node],v);
        return; 
    }
    int mid = (lx+rx)/2;
    upd(l,r,v,node*2,lx,mid);
    upd(l,r,v,node*2 +1,mid+1,rx);
    T[node]=min(max(T[node*2],T[node*2 +1]),L[node]);
}
int qry(int l,int r,int node=1,int lx=0,int rx=sze){
    if(lx>r || rx<l){
        return inf*2;
    }
    if(l<=lx && rx<=r){
        return T[node] ;
    }
    int mid = (lx+rx)/2;
    int left = qry(l,r,node*2,lx,mid);
    int right = qry(l,r,node*2 +1,mid+1,rx);
    if(left>inf){
        return min(L[node],right);
    }
    if(right>inf){
        return min(L[node],left);
    }
    return min(max(left,right),L[node]);
}


void _0x0(){
    for(int i=0;i<sze*4;i++){
        T[i]=inf;
        L[i]=inf;
    }
    int n,m,q;
    cin>>n>>m>>q;
    vector<pair<int,int>> event[n+10];
    vector<int> ans(q);
    for(int i=0;i<m;i++){
        int l,r;cin>>l>>r;
        event[l].pb({-1,r});
    }
    for(int i=0;i<q;i++){
        int l,r;cin>>l>>r;
        event[l].pb({i,r});
    }
    for(int i = n;i>=1;i--){
        sort(all(event[i]));
        for(auto [k,v]:event[i]){
            if(k==-1){
                upd(i,v,v);
            }
            else{
                int x = qry(i,v);
                // cout<<i _ ":" _ v _ ".." _ x _ "::"<<endl;
                ans[k]=(x<=v);
            }
        }
    }


    for(auto v:ans) cout<<(v?"YES":"NO")<<endl;
    // upd(2,5,3);
    // cout<<qry(2,5)<<endl;
}
 
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    int tt = 1;

    // cin>>tt;
    while(tt--){
        _0x0();
    }
 
    return 0;
}

Compilation message

curtains.cpp: In function 'void _0x0()':
curtains.cpp:76:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   76 |         for(auto [k,v]:event[i]){
      |                  ^

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 31576 KB Output is correct
2 Correct 13 ms 31576 KB Output is correct
3 Correct 13 ms 31576 KB Output is correct
4 Correct 13 ms 31580 KB Output is correct
5 Correct 12 ms 31580 KB Output is correct
6 Correct 14 ms 31580 KB Output is correct
7 Correct 13 ms 31576 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 11 ms 31792 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 31576 KB Output is correct
2 Correct 13 ms 31576 KB Output is correct
3 Correct 13 ms 31576 KB Output is correct
4 Correct 13 ms 31580 KB Output is correct
5 Correct 12 ms 31580 KB Output is correct
6 Correct 14 ms 31580 KB Output is correct
7 Correct 13 ms 31576 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 11 ms 31792 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 15 ms 31836 KB Output is correct
14 Correct 14 ms 31836 KB Output is correct
15 Correct 14 ms 31832 KB Output is correct
16 Correct 15 ms 31836 KB Output is correct
17 Correct 14 ms 31844 KB Output is correct
18 Correct 14 ms 31884 KB Output is correct
19 Correct 15 ms 31832 KB Output is correct
20 Correct 14 ms 31836 KB Output is correct
21 Correct 13 ms 31836 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 31576 KB Output is correct
2 Correct 13 ms 31576 KB Output is correct
3 Correct 13 ms 31576 KB Output is correct
4 Correct 13 ms 31580 KB Output is correct
5 Correct 12 ms 31580 KB Output is correct
6 Correct 14 ms 31580 KB Output is correct
7 Correct 13 ms 31576 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 11 ms 31792 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 15 ms 31836 KB Output is correct
14 Correct 14 ms 31836 KB Output is correct
15 Correct 14 ms 31832 KB Output is correct
16 Correct 15 ms 31836 KB Output is correct
17 Correct 14 ms 31844 KB Output is correct
18 Correct 14 ms 31884 KB Output is correct
19 Correct 15 ms 31832 KB Output is correct
20 Correct 14 ms 31836 KB Output is correct
21 Correct 13 ms 31836 KB Output is correct
22 Correct 229 ms 53564 KB Output is correct
23 Correct 208 ms 54096 KB Output is correct
24 Correct 240 ms 57684 KB Output is correct
25 Correct 402 ms 68580 KB Output is correct
26 Correct 220 ms 53840 KB Output is correct
27 Correct 395 ms 68688 KB Output is correct
28 Correct 386 ms 68948 KB Output is correct
29 Correct 202 ms 53980 KB Output is correct
30 Correct 199 ms 48816 KB Output is correct
31 Correct 208 ms 50604 KB Output is correct
32 Correct 352 ms 64976 KB Output is correct
33 Correct 194 ms 49152 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 31576 KB Output is correct
2 Correct 11 ms 31580 KB Output is correct
3 Correct 11 ms 31580 KB Output is correct
4 Correct 11 ms 31760 KB Output is correct
5 Correct 13 ms 31800 KB Output is correct
6 Correct 12 ms 31836 KB Output is correct
7 Correct 12 ms 31936 KB Output is correct
8 Correct 198 ms 48792 KB Output is correct
9 Correct 218 ms 50608 KB Output is correct
10 Correct 388 ms 64952 KB Output is correct
11 Correct 209 ms 49008 KB Output is correct
12 Correct 114 ms 41368 KB Output is correct
13 Correct 122 ms 41416 KB Output is correct
14 Correct 98 ms 41420 KB Output is correct
15 Correct 101 ms 41412 KB Output is correct
16 Correct 104 ms 41424 KB Output is correct
17 Correct 112 ms 41424 KB Output is correct
18 Correct 669 ms 81068 KB Output is correct
19 Correct 661 ms 80952 KB Output is correct
20 Correct 527 ms 81020 KB Output is correct
21 Correct 537 ms 81068 KB Output is correct
22 Correct 486 ms 81072 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 31576 KB Output is correct
2 Correct 13 ms 31576 KB Output is correct
3 Correct 13 ms 31576 KB Output is correct
4 Correct 13 ms 31580 KB Output is correct
5 Correct 12 ms 31580 KB Output is correct
6 Correct 14 ms 31580 KB Output is correct
7 Correct 13 ms 31576 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 11 ms 31792 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 15 ms 31836 KB Output is correct
14 Correct 14 ms 31836 KB Output is correct
15 Correct 14 ms 31832 KB Output is correct
16 Correct 15 ms 31836 KB Output is correct
17 Correct 14 ms 31844 KB Output is correct
18 Correct 14 ms 31884 KB Output is correct
19 Correct 15 ms 31832 KB Output is correct
20 Correct 14 ms 31836 KB Output is correct
21 Correct 13 ms 31836 KB Output is correct
22 Correct 91 ms 40276 KB Output is correct
23 Correct 90 ms 40380 KB Output is correct
24 Correct 119 ms 42576 KB Output is correct
25 Correct 120 ms 42548 KB Output is correct
26 Correct 104 ms 43352 KB Output is correct
27 Correct 99 ms 43528 KB Output is correct
28 Correct 84 ms 41040 KB Output is correct
29 Correct 96 ms 42980 KB Output is correct
30 Correct 122 ms 42580 KB Output is correct
31 Correct 122 ms 42584 KB Output is correct
32 Correct 116 ms 42892 KB Output is correct
33 Correct 108 ms 43052 KB Output is correct
34 Correct 123 ms 42408 KB Output is correct
35 Correct 119 ms 42836 KB Output is correct
36 Correct 123 ms 42676 KB Output is correct
37 Correct 118 ms 41452 KB Output is correct
38 Correct 114 ms 41416 KB Output is correct
39 Correct 99 ms 41464 KB Output is correct
40 Correct 94 ms 41416 KB Output is correct
41 Correct 101 ms 41448 KB Output is correct
42 Correct 93 ms 41420 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 31576 KB Output is correct
2 Correct 13 ms 31576 KB Output is correct
3 Correct 13 ms 31576 KB Output is correct
4 Correct 13 ms 31580 KB Output is correct
5 Correct 12 ms 31580 KB Output is correct
6 Correct 14 ms 31580 KB Output is correct
7 Correct 13 ms 31576 KB Output is correct
8 Correct 12 ms 31580 KB Output is correct
9 Correct 13 ms 31580 KB Output is correct
10 Correct 13 ms 31580 KB Output is correct
11 Correct 11 ms 31792 KB Output is correct
12 Correct 13 ms 31580 KB Output is correct
13 Correct 15 ms 31836 KB Output is correct
14 Correct 14 ms 31836 KB Output is correct
15 Correct 14 ms 31832 KB Output is correct
16 Correct 15 ms 31836 KB Output is correct
17 Correct 14 ms 31844 KB Output is correct
18 Correct 14 ms 31884 KB Output is correct
19 Correct 15 ms 31832 KB Output is correct
20 Correct 14 ms 31836 KB Output is correct
21 Correct 13 ms 31836 KB Output is correct
22 Correct 229 ms 53564 KB Output is correct
23 Correct 208 ms 54096 KB Output is correct
24 Correct 240 ms 57684 KB Output is correct
25 Correct 402 ms 68580 KB Output is correct
26 Correct 220 ms 53840 KB Output is correct
27 Correct 395 ms 68688 KB Output is correct
28 Correct 386 ms 68948 KB Output is correct
29 Correct 202 ms 53980 KB Output is correct
30 Correct 199 ms 48816 KB Output is correct
31 Correct 208 ms 50604 KB Output is correct
32 Correct 352 ms 64976 KB Output is correct
33 Correct 194 ms 49152 KB Output is correct
34 Correct 10 ms 31576 KB Output is correct
35 Correct 11 ms 31580 KB Output is correct
36 Correct 11 ms 31580 KB Output is correct
37 Correct 11 ms 31760 KB Output is correct
38 Correct 13 ms 31800 KB Output is correct
39 Correct 12 ms 31836 KB Output is correct
40 Correct 12 ms 31936 KB Output is correct
41 Correct 198 ms 48792 KB Output is correct
42 Correct 218 ms 50608 KB Output is correct
43 Correct 388 ms 64952 KB Output is correct
44 Correct 209 ms 49008 KB Output is correct
45 Correct 114 ms 41368 KB Output is correct
46 Correct 122 ms 41416 KB Output is correct
47 Correct 98 ms 41420 KB Output is correct
48 Correct 101 ms 41412 KB Output is correct
49 Correct 104 ms 41424 KB Output is correct
50 Correct 112 ms 41424 KB Output is correct
51 Correct 669 ms 81068 KB Output is correct
52 Correct 661 ms 80952 KB Output is correct
53 Correct 527 ms 81020 KB Output is correct
54 Correct 537 ms 81068 KB Output is correct
55 Correct 486 ms 81072 KB Output is correct
56 Correct 91 ms 40276 KB Output is correct
57 Correct 90 ms 40380 KB Output is correct
58 Correct 119 ms 42576 KB Output is correct
59 Correct 120 ms 42548 KB Output is correct
60 Correct 104 ms 43352 KB Output is correct
61 Correct 99 ms 43528 KB Output is correct
62 Correct 84 ms 41040 KB Output is correct
63 Correct 96 ms 42980 KB Output is correct
64 Correct 122 ms 42580 KB Output is correct
65 Correct 122 ms 42584 KB Output is correct
66 Correct 116 ms 42892 KB Output is correct
67 Correct 108 ms 43052 KB Output is correct
68 Correct 123 ms 42408 KB Output is correct
69 Correct 119 ms 42836 KB Output is correct
70 Correct 123 ms 42676 KB Output is correct
71 Correct 118 ms 41452 KB Output is correct
72 Correct 114 ms 41416 KB Output is correct
73 Correct 99 ms 41464 KB Output is correct
74 Correct 94 ms 41416 KB Output is correct
75 Correct 101 ms 41448 KB Output is correct
76 Correct 93 ms 41420 KB Output is correct
77 Correct 764 ms 87804 KB Output is correct
78 Correct 847 ms 87888 KB Output is correct
79 Correct 663 ms 92240 KB Output is correct
80 Correct 726 ms 92452 KB Output is correct
81 Correct 713 ms 89784 KB Output is correct
82 Correct 695 ms 91368 KB Output is correct
83 Correct 833 ms 87800 KB Output is correct
84 Correct 763 ms 87996 KB Output is correct
85 Correct 716 ms 89052 KB Output is correct
86 Correct 702 ms 87380 KB Output is correct
87 Correct 678 ms 88180 KB Output is correct
88 Correct 618 ms 90724 KB Output is correct