oj.uz

Submission #128369

# Submission time Handle Problem Language Result Execution time Memory
128369 2019-07-10T19:29:00 Z doowey Long Mansion (JOI17_long_mansion) C++14
100 / 100
 386 ms 52344 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ld, ld> pdd;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)5e5 + 9;
int L[N];
int R[N];
int C[N];
vector<int> ls[N];

int las[N];
int lf[N];
int rf[N];


int main(){
    fastIO;
    int n;
    cin >> n;
    for(int i = 1; i < n; i ++ ){
        cin >> C[i];
    }
    int x, k;
    for(int i = 1; i <= n ; i ++ ){
        cin >> k;
        for(int j = 0 ; j < k ; j ++ ){
            cin >> x;
            ls[i].push_back(x);
        }
    }
    for(int j = 1; j <= n; j ++ )
        las[j] = -1;
    for(int i = 1; i < n; i ++ ){
        for(auto p : ls[i])
            las[p] = i;
        lf[i + 1] = las[C[i]];
    }
    for(int j = 1; j <= n; j ++ )
        las[j] = -1;
    for(int i = n; i > 1; i -- ){
        for(auto p : ls[i])
            las[p] = i;
        rf[i - 1] = las[C[i - 1]];
    }
    for(int i = 1; i <= n; i ++ ){
        L[i] = i;
        R[i] = i;
        while(1){
            if(L[i] != 1 && rf[L[i] - 1] <= R[i] && rf[L[i] - 1] != -1){
                R[i] = max(R[i], R[L[i]-1]);
                L[i] = min(L[i], L[L[i]-1]);
            }
            else if(R[i] != n && lf[R[i] + 1] >= L[i] && lf[R[i] + 1] != -1){
                R[i] ++ ;
            }
            else{
                break;
            }
        }
    }
    int Q;
    cin >> Q;
    int p, q;
    for(int i = 0 ; i < Q; i ++ ){
        cin >> p >> q;
        if(q >= L[p] && q <= R[p])
            cout << "YES\n";
        else
            cout << "NO\n";
    }
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12284 KB Output is correct
2 Correct 17 ms 12280 KB Output is correct
3 Correct 17 ms 12408 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 17 ms 12280 KB Output is correct
6 Correct 17 ms 12280 KB Output is correct
7 Correct 16 ms 12280 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12284 KB Output is correct
2 Correct 17 ms 12280 KB Output is correct
3 Correct 17 ms 12408 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 17 ms 12280 KB Output is correct
6 Correct 17 ms 12280 KB Output is correct
7 Correct 16 ms 12280 KB Output is correct
8 Correct 133 ms 13816 KB Output is correct
9 Correct 131 ms 13712 KB Output is correct
10 Correct 143 ms 14052 KB Output is correct
11 Correct 131 ms 14200 KB Output is correct
12 Correct 125 ms 13936 KB Output is correct
13 Correct 130 ms 13984 KB Output is correct
14 Correct 145 ms 13944 KB Output is correct
15 Correct 136 ms 14076 KB Output is correct
16 Correct 131 ms 14204 KB Output is correct
17 Correct 137 ms 13944 KB Output is correct
18 Correct 133 ms 13964 KB Output is correct
19 Correct 135 ms 13996 KB Output is correct
20 Correct 129 ms 14172 KB Output is correct
21 Correct 126 ms 14292 KB Output is correct
22 Correct 132 ms 14120 KB Output is correct
23 Correct 129 ms 13816 KB Output is correct
24 Correct 146 ms 13932 KB Output is correct
25 Correct 137 ms 13880 KB Output is correct
26 Correct 134 ms 13852 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 239 ms 19832 KB Output is correct
2 Correct 236 ms 20020 KB Output is correct
3 Correct 238 ms 25464 KB Output is correct
4 Correct 242 ms 27128 KB Output is correct
5 Correct 245 ms 27256 KB Output is correct
6 Correct 198 ms 25976 KB Output is correct
7 Correct 200 ms 25720 KB Output is correct
8 Correct 197 ms 25592 KB Output is correct
9 Correct 207 ms 25592 KB Output is correct
10 Correct 200 ms 25784 KB Output is correct
11 Correct 209 ms 25720 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 12284 KB Output is correct
2 Correct 17 ms 12280 KB Output is correct
3 Correct 17 ms 12408 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 17 ms 12280 KB Output is correct
6 Correct 17 ms 12280 KB Output is correct
7 Correct 16 ms 12280 KB Output is correct
8 Correct 133 ms 13816 KB Output is correct
9 Correct 131 ms 13712 KB Output is correct
10 Correct 143 ms 14052 KB Output is correct
11 Correct 131 ms 14200 KB Output is correct
12 Correct 125 ms 13936 KB Output is correct
13 Correct 130 ms 13984 KB Output is correct
14 Correct 145 ms 13944 KB Output is correct
15 Correct 136 ms 14076 KB Output is correct
16 Correct 131 ms 14204 KB Output is correct
17 Correct 137 ms 13944 KB Output is correct
18 Correct 133 ms 13964 KB Output is correct
19 Correct 135 ms 13996 KB Output is correct
20 Correct 129 ms 14172 KB Output is correct
21 Correct 126 ms 14292 KB Output is correct
22 Correct 132 ms 14120 KB Output is correct
23 Correct 129 ms 13816 KB Output is correct
24 Correct 146 ms 13932 KB Output is correct
25 Correct 137 ms 13880 KB Output is correct
26 Correct 134 ms 13852 KB Output is correct
27 Correct 239 ms 19832 KB Output is correct
28 Correct 236 ms 20020 KB Output is correct
29 Correct 238 ms 25464 KB Output is correct
30 Correct 242 ms 27128 KB Output is correct
31 Correct 245 ms 27256 KB Output is correct
32 Correct 198 ms 25976 KB Output is correct
33 Correct 200 ms 25720 KB Output is correct
34 Correct 197 ms 25592 KB Output is correct
35 Correct 207 ms 25592 KB Output is correct
36 Correct 200 ms 25784 KB Output is correct
37 Correct 209 ms 25720 KB Output is correct
38 Correct 374 ms 47232 KB Output is correct
39 Correct 386 ms 52344 KB Output is correct
40 Correct 343 ms 40824 KB Output is correct
41 Correct 363 ms 50908 KB Output is correct
42 Correct 243 ms 26824 KB Output is correct
43 Correct 206 ms 26872 KB Output is correct
44 Correct 324 ms 34980 KB Output is correct
45 Correct 300 ms 35064 KB Output is correct
46 Correct 313 ms 35268 KB Output is correct
47 Correct 218 ms 26960 KB Output is correct
48 Correct 212 ms 26588 KB Output is correct
49 Correct 283 ms 34864 KB Output is correct
50 Correct 315 ms 34892 KB Output is correct
51 Correct 299 ms 35320 KB Output is correct
52 Correct 286 ms 33792 KB Output is correct
53 Correct 324 ms 41112 KB Output is correct
54 Correct 371 ms 48056 KB Output is correct
55 Correct 327 ms 41248 KB Output is correct