oj.uz

Submission #714072

# Submission time Handle Problem Language Result Execution time Memory
714072 2023-03-23T19:39:32 Z Ahmed57 Long Mansion (JOI17_long_mansion) C++14
100 / 100
 315 ms 52404 KB 
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")

#include <bits/stdc++.h>
using namespace std;

signed main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    int arr[n-1];
    for(int i= 0;i<n-1;i++){
        cin>>arr[i];
    }
    vector<vector<int>>v;
    for(int i = 0;i<n;i++){
        int z;cin>>z;
        vector<int> tmp;
        for(int j= 0;j<z;j++){
            int x;cin>>x;
            tmp.push_back(x);
        }
        v.push_back(tmp);
    }
    int nd[n+1];
    for(int i = 0;i<=n;i++)nd[i] = n;
    int valr[n];
    int vall[n];
    for(int i = n-1;i>=1;i--){
        for(auto j:v[i]){
            nd[j]=i;
        }
        valr[i] = nd[arr[i-1]];
    }
    for(int i = 0;i<=n;i++)nd[i] = -1;
    for(int i = 0;i<n-1;i++){
        for(auto j:v[i]){
            nd[j]=i;
        }
        vall[i]=nd[arr[i]];
    }
    int l[n],r[n];
    for(int i = 0;i<n;i++){
        l[i]=i ,r[i] = i;
        while(1){
            if(l[i]&&valr[l[i]]<=r[i]){
                r[i] = max(r[i],r[l[i]-1]);
                l[i] = l[l[i]-1];
            }else if(r[i]<n-1&&vall[r[i]]>=l[i]){
                r[i]++;
            }else break;
        }
    }
    int q;cin>>q;
    while(q--){
        int x,y;
        cin>>x>>y;
        x--;y--;
        if(y>=l[x]&&y<=r[x]){
            cout<<"YES\n";
        }
        else cout<<"NO\n";
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB Output is correct
2 Correct 3 ms 552 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 464 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB Output is correct
2 Correct 3 ms 552 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 86 ms 6364 KB Output is correct
9 Correct 85 ms 6300 KB Output is correct
10 Correct 90 ms 6688 KB Output is correct
11 Correct 88 ms 7272 KB Output is correct
12 Correct 78 ms 5840 KB Output is correct
13 Correct 81 ms 6564 KB Output is correct
14 Correct 83 ms 6664 KB Output is correct
15 Correct 88 ms 6476 KB Output is correct
16 Correct 81 ms 6348 KB Output is correct
17 Correct 86 ms 6452 KB Output is correct
18 Correct 84 ms 6564 KB Output is correct
19 Correct 84 ms 6596 KB Output is correct
20 Correct 84 ms 6440 KB Output is correct
21 Correct 84 ms 6348 KB Output is correct
22 Correct 85 ms 6452 KB Output is correct
23 Correct 84 ms 6340 KB Output is correct
24 Correct 93 ms 6320 KB Output is correct
25 Correct 85 ms 6244 KB Output is correct
26 Correct 83 ms 6468 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 200 ms 17112 KB Output is correct
2 Correct 161 ms 16984 KB Output is correct
3 Correct 163 ms 16872 KB Output is correct
4 Correct 165 ms 17092 KB Output is correct
5 Correct 159 ms 17064 KB Output is correct
6 Correct 143 ms 16392 KB Output is correct
7 Correct 128 ms 16096 KB Output is correct
8 Correct 133 ms 16100 KB Output is correct
9 Correct 143 ms 16136 KB Output is correct
10 Correct 127 ms 16188 KB Output is correct
11 Correct 136 ms 16096 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 460 KB Output is correct
2 Correct 3 ms 552 KB Output is correct
3 Correct 3 ms 852 KB Output is correct
4 Correct 3 ms 468 KB Output is correct
5 Correct 2 ms 460 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 86 ms 6364 KB Output is correct
9 Correct 85 ms 6300 KB Output is correct
10 Correct 90 ms 6688 KB Output is correct
11 Correct 88 ms 7272 KB Output is correct
12 Correct 78 ms 5840 KB Output is correct
13 Correct 81 ms 6564 KB Output is correct
14 Correct 83 ms 6664 KB Output is correct
15 Correct 88 ms 6476 KB Output is correct
16 Correct 81 ms 6348 KB Output is correct
17 Correct 86 ms 6452 KB Output is correct
18 Correct 84 ms 6564 KB Output is correct
19 Correct 84 ms 6596 KB Output is correct
20 Correct 84 ms 6440 KB Output is correct
21 Correct 84 ms 6348 KB Output is correct
22 Correct 85 ms 6452 KB Output is correct
23 Correct 84 ms 6340 KB Output is correct
24 Correct 93 ms 6320 KB Output is correct
25 Correct 85 ms 6244 KB Output is correct
26 Correct 83 ms 6468 KB Output is correct
27 Correct 200 ms 17112 KB Output is correct
28 Correct 161 ms 16984 KB Output is correct
29 Correct 163 ms 16872 KB Output is correct
30 Correct 165 ms 17092 KB Output is correct
31 Correct 159 ms 17064 KB Output is correct
32 Correct 143 ms 16392 KB Output is correct
33 Correct 128 ms 16096 KB Output is correct
34 Correct 133 ms 16100 KB Output is correct
35 Correct 143 ms 16136 KB Output is correct
36 Correct 127 ms 16188 KB Output is correct
37 Correct 136 ms 16096 KB Output is correct
38 Correct 249 ms 44716 KB Output is correct
39 Correct 315 ms 52404 KB Output is correct
40 Correct 226 ms 35956 KB Output is correct
41 Correct 281 ms 50720 KB Output is correct
42 Correct 137 ms 17328 KB Output is correct
43 Correct 161 ms 17340 KB Output is correct
44 Correct 184 ms 27824 KB Output is correct
45 Correct 182 ms 27972 KB Output is correct
46 Correct 201 ms 28140 KB Output is correct
47 Correct 131 ms 17308 KB Output is correct
48 Correct 153 ms 17088 KB Output is correct
49 Correct 205 ms 27748 KB Output is correct
50 Correct 223 ms 27860 KB Output is correct
51 Correct 200 ms 28076 KB Output is correct
52 Correct 200 ms 26708 KB Output is correct
53 Correct 233 ms 36344 KB Output is correct
54 Correct 299 ms 45612 KB Output is correct
55 Correct 257 ms 36396 KB Output is correct