oj.uz

Submission #728726

# Submission time Handle Problem Language Result Execution time Memory
728726 2023-04-23T01:22:22 Z abcvuitunggio None (JOI16_matryoshka) C++17
100 / 100
 243 ms 15356 KB 
#include <bits/stdc++.h>
using namespace std;
struct query{
    int a,b,idx;
}a[200001];
struct doll{
    int r,h;
}d[200001];
int n,q,res[200001],f[200001];
vector <int> v;
void update(int i, int val){
    for (;i<=n;i+=i&(-i))
        f[i]=max(f[i],val);
}
int get(int i){
    int res=0;
    for (;i;i-=i&(-i))
        res=max(res,f[i]);
    return res;
}
int main(){
    ios_base::sync_with_stdio(NULL);cin.tie(nullptr);
    cin >> n >> q;
    for (int i=1;i<=n;i++){
        cin >> d[i].r >> d[i].h;
        v.push_back(d[i].h);
    }
    sort(d+1,d+n+1,[](doll a, doll b){return (a.r<b.r||(a.r==b.r&&a.h>b.h));});
    sort(v.begin(),v.end());
    v.resize(unique(v.begin(),v.end())-v.begin());
    for (int i=1;i<=q;i++){
        cin >> a[i].a >> a[i].b;
        a[i].idx=i;
    }
    sort(a+1,a+q+1,[](query a, query b){return a.a>b.a;});
    int j=n;
    for (int i=1;i<=q;i++){
        for (;j&&d[j].r>=a[i].a;j--){
            int pos=lower_bound(v.begin(),v.end(),d[j].h)-v.begin()+1;
            update(pos,get(pos)+1);
        }
        res[a[i].idx]=get(upper_bound(v.begin(),v.end(),a[i].b)-v.begin());
    }
    for (int i=1;i<=q;i++)
        cout << res[i] << '\n';
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 244 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 244 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 3 ms 468 KB Output is correct
24 Correct 2 ms 420 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 2 ms 472 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 476 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 328 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 244 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 328 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 2 ms 340 KB Output is correct
23 Correct 3 ms 468 KB Output is correct
24 Correct 2 ms 420 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 3 ms 468 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 2 ms 472 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 340 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 476 KB Output is correct
34 Correct 2 ms 468 KB Output is correct
35 Correct 2 ms 468 KB Output is correct
36 Correct 223 ms 12260 KB Output is correct
37 Correct 149 ms 11204 KB Output is correct
38 Correct 66 ms 5192 KB Output is correct
39 Correct 144 ms 9588 KB Output is correct
40 Correct 119 ms 10064 KB Output is correct
41 Correct 149 ms 11132 KB Output is correct
42 Correct 107 ms 8712 KB Output is correct
43 Correct 68 ms 8932 KB Output is correct
44 Correct 222 ms 15284 KB Output is correct
45 Correct 204 ms 15220 KB Output is correct
46 Correct 214 ms 15108 KB Output is correct
47 Correct 195 ms 14860 KB Output is correct
48 Correct 197 ms 15356 KB Output is correct
49 Correct 243 ms 14868 KB Output is correct
50 Correct 193 ms 15328 KB Output is correct