oj.uz

Submission #974367

# Submission time Handle Problem Language Result Execution time Memory
974367 2024-05-03T09:18:32 Z CSQ31 Curtains (NOI23_curtains) C++17
100 / 100
 823 ms 74876 KB 
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(998244353)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
const int MAXN = 5e5+5;
int t[4*MAXN],lazy[4*MAXN];
void pushdown(int v){
    lazy[2*v] = max(lazy[2*v],lazy[v]);
    lazy[2*v+1] = max(lazy[2*v+1],lazy[v]);
    t[2*v] = max(t[2*v],lazy[v]);
    t[2*v+1] = max(t[2*v+1],lazy[v]);
    lazy[v] = 0;
}

void upd(int v,int l,int r,int tl,int tr,int val){
    if(l>r)return;
   // cout<<v<<" "<<l<<" "<<r<<" "<<tl<<" "<<tr<<" "<<val<<'\n';
    if(l == tl && r == tr){
        t[v] = max(t[v],val);
        lazy[v] = max(lazy[v],val);
        return;
    }
    int tm = (tl+tr)/2;
    pushdown(v);
    upd(2*v,l,min(tm,r),tl,tm,val);
    upd(2*v+1,max(l,tm+1),r,tm+1,tr,val);
    t[v] = min(t[2*v],t[2*v+1]);
}
int query(int v,int l,int r,int tl,int tr){
    if(l>r)return 1e9;
   // cout<<"q "<<v<<" "<<l<<" "<<r<<" "<<tl<<" "<<tr<<" "<<t[v]<<'\n';
    if(l == tl && r == tr)return t[v];
    int tm = (tl+tr)/2;
    pushdown(v);
    return min(query(2*v,l,min(tm,r),tl,tm),query(2*v+1,max(l,tm+1),r,tm+1,tr));
}
int main()
{
    owo
    int n,m,q;
    cin>>n>>m>>q;
    vii range(n+1);
    vector<vector<pii>>que(n+1);
    
    for(int i=0;i<m;i++){
        int l,r;
        cin>>l>>r;
        range[r].pb(l);
    }
    for(int i=0;i<q;i++){
        int l,r;
        cin>>l>>r;
        que[r].pb({l,i});
    }
    vector<int>ans(q+1,1);
    for(int r=1;r<=n;r++){
        for(int l : range[r]){
            upd(1,l,r,1,n,l);
            //cout<<l<<" "<<r<<'\n';
        }
        //for(int i=1;i<=n;i++)cout<<query(1,i,i,1,n)<<" ";
        //cout<<'\n';
        for(pii x : que[r]){
            int res = query(1,x.fi,r,1,n);
            if(res < x.fi)ans[x.se] = 0;
        }
    }
    for(int i=0;i<q;i++){
        if(ans[i])cout<<"YES"<<'\n';
        else cout<<"NO"<<'\n';
    }
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 856 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 2 ms 600 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 856 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 164 ms 10068 KB Output is correct
23 Correct 182 ms 15060 KB Output is correct
24 Correct 206 ms 16408 KB Output is correct
25 Correct 326 ms 22124 KB Output is correct
26 Correct 180 ms 14684 KB Output is correct
27 Correct 348 ms 22356 KB Output is correct
28 Correct 341 ms 22128 KB Output is correct
29 Correct 173 ms 13652 KB Output is correct
30 Correct 109 ms 13892 KB Output is correct
31 Correct 123 ms 14620 KB Output is correct
32 Correct 270 ms 21336 KB Output is correct
33 Correct 107 ms 14060 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 2 ms 604 KB Output is correct
6 Correct 2 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 111 ms 10816 KB Output is correct
9 Correct 127 ms 14672 KB Output is correct
10 Correct 267 ms 21332 KB Output is correct
11 Correct 125 ms 13992 KB Output is correct
12 Correct 94 ms 14672 KB Output is correct
13 Correct 102 ms 14604 KB Output is correct
14 Correct 90 ms 14916 KB Output is correct
15 Correct 76 ms 14412 KB Output is correct
16 Correct 73 ms 14620 KB Output is correct
17 Correct 72 ms 14324 KB Output is correct
18 Correct 753 ms 71292 KB Output is correct
19 Correct 730 ms 71408 KB Output is correct
20 Correct 608 ms 71840 KB Output is correct
21 Correct 559 ms 71380 KB Output is correct
22 Correct 554 ms 70680 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 856 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 83 ms 3920 KB Output is correct
23 Correct 83 ms 5968 KB Output is correct
24 Correct 111 ms 13908 KB Output is correct
25 Correct 112 ms 13908 KB Output is correct
26 Correct 91 ms 15188 KB Output is correct
27 Correct 102 ms 15252 KB Output is correct
28 Correct 74 ms 13000 KB Output is correct
29 Correct 86 ms 14548 KB Output is correct
30 Correct 115 ms 13908 KB Output is correct
31 Correct 136 ms 13784 KB Output is correct
32 Correct 98 ms 14408 KB Output is correct
33 Correct 97 ms 14672 KB Output is correct
34 Correct 109 ms 13304 KB Output is correct
35 Correct 107 ms 13652 KB Output is correct
36 Correct 103 ms 14336 KB Output is correct
37 Correct 108 ms 14612 KB Output is correct
38 Correct 124 ms 14668 KB Output is correct
39 Correct 72 ms 14792 KB Output is correct
40 Correct 72 ms 14428 KB Output is correct
41 Correct 84 ms 14668 KB Output is correct
42 Correct 74 ms 14416 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 2 ms 856 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 604 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 3 ms 604 KB Output is correct
18 Correct 3 ms 604 KB Output is correct
19 Correct 2 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 2 ms 600 KB Output is correct
22 Correct 164 ms 10068 KB Output is correct
23 Correct 182 ms 15060 KB Output is correct
24 Correct 206 ms 16408 KB Output is correct
25 Correct 326 ms 22124 KB Output is correct
26 Correct 180 ms 14684 KB Output is correct
27 Correct 348 ms 22356 KB Output is correct
28 Correct 341 ms 22128 KB Output is correct
29 Correct 173 ms 13652 KB Output is correct
30 Correct 109 ms 13892 KB Output is correct
31 Correct 123 ms 14620 KB Output is correct
32 Correct 270 ms 21336 KB Output is correct
33 Correct 107 ms 14060 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 111 ms 10816 KB Output is correct
42 Correct 127 ms 14672 KB Output is correct
43 Correct 267 ms 21332 KB Output is correct
44 Correct 125 ms 13992 KB Output is correct
45 Correct 94 ms 14672 KB Output is correct
46 Correct 102 ms 14604 KB Output is correct
47 Correct 90 ms 14916 KB Output is correct
48 Correct 76 ms 14412 KB Output is correct
49 Correct 73 ms 14620 KB Output is correct
50 Correct 72 ms 14324 KB Output is correct
51 Correct 753 ms 71292 KB Output is correct
52 Correct 730 ms 71408 KB Output is correct
53 Correct 608 ms 71840 KB Output is correct
54 Correct 559 ms 71380 KB Output is correct
55 Correct 554 ms 70680 KB Output is correct
56 Correct 83 ms 3920 KB Output is correct
57 Correct 83 ms 5968 KB Output is correct
58 Correct 111 ms 13908 KB Output is correct
59 Correct 112 ms 13908 KB Output is correct
60 Correct 91 ms 15188 KB Output is correct
61 Correct 102 ms 15252 KB Output is correct
62 Correct 74 ms 13000 KB Output is correct
63 Correct 86 ms 14548 KB Output is correct
64 Correct 115 ms 13908 KB Output is correct
65 Correct 136 ms 13784 KB Output is correct
66 Correct 98 ms 14408 KB Output is correct
67 Correct 97 ms 14672 KB Output is correct
68 Correct 109 ms 13304 KB Output is correct
69 Correct 107 ms 13652 KB Output is correct
70 Correct 103 ms 14336 KB Output is correct
71 Correct 108 ms 14612 KB Output is correct
72 Correct 124 ms 14668 KB Output is correct
73 Correct 72 ms 14792 KB Output is correct
74 Correct 72 ms 14428 KB Output is correct
75 Correct 84 ms 14668 KB Output is correct
76 Correct 74 ms 14416 KB Output is correct
77 Correct 823 ms 67792 KB Output is correct
78 Correct 810 ms 67744 KB Output is correct
79 Correct 647 ms 74876 KB Output is correct
80 Correct 657 ms 74692 KB Output is correct
81 Correct 695 ms 72224 KB Output is correct
82 Correct 641 ms 73364 KB Output is correct
83 Correct 800 ms 67920 KB Output is correct
84 Correct 822 ms 67888 KB Output is correct
85 Correct 766 ms 69440 KB Output is correct
86 Correct 711 ms 66352 KB Output is correct
87 Correct 712 ms 65692 KB Output is correct
88 Correct 735 ms 72228 KB Output is correct