oj.uz

Submission #889262

# Submission time Handle Problem Language Result Execution time Memory
889262 2023-12-19T09:20:36 Z dimashhh Long Mansion (JOI17_long_mansion) C++17
25 / 100
 482 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 5e5 + 1, MOD = 998244353;
typedef long long ll;

int n,q,c[N],b[N];
vector<array<int,3>> res(N);
vector<int> a[N];
int used[N],timer = 0;
unordered_map<int,int> is[N];
vector<pair<int,int>> all;
multiset<pair<int,pair<int,int>>> cur;
vector<int> L[N],R[N];
void go(int l,int r){
    if(l >= r) return;
    int mid = (l + r) >> 1;
    go(l,mid);
    go(mid + 1,r);
    timer++;
    int it = mid;
    for(int j:a[it]){
        used[j] = timer;
    }
    for(int i = mid + 1;i <= r;i++){
        for(int j:a[i]){
            used[j] = timer;
        }
        while(it >= l && used[c[it - 1]] == timer){
            it--;
            for(int j:a[it]){
                used[j] = timer;
            }
        }
        if(used[c[i]] == timer) continue;
        if(it >= l){
            all.push_back({it,i});
            L[it].push_back(i);
            R[i].push_back(it);
        }
    }
    timer++;
    it = mid + 1;
    for(int j:a[it]){
        used[j] = timer;
    }
    for(int i = mid;i >= l;i--){
        for(int j:a[i]){
            used[j] = timer;
        }
        while(it <= r && used[c[it]] == timer){
            it++;
            for(int j:a[it]){
                used[j] = timer;
            }
        }
        if(used[c[i - 1]] == timer) continue;
        if(it <= r){
            all.push_back({i,it});
            R[it].push_back(i);
            L[i].push_back(it);
        }
    }
}

void test(){
    cin >> n;
    for(int i = 1;i <= n - 1;i++){
        cin >> c[i];
    }
    for(int i = 1;i <= n;i++){
        cin >> b[i];
        for(int j = 1;j <=b[i];j++){
            int x;
            cin >> x;
            is[i][x] = 1;
            a[i].push_back(x);
        }
        if(!is[i].count(c[i]) && !is[i].count(c[i - 1])){
            array<int,3> f;
            f = {1,i,i};
            res[i] = f;
            L[i].push_back(i);
            R[i].push_back(i);
            all.push_back({i,i});
        }
    }
    L[1].push_back(n);
    all.push_back({1,n});
    go(1,n);
    for(int i = 1;i <=n;i++){
        for(int j:L[i]){
            cur.insert({j - i + 1,{i,j}});
        }
        res[i][1] = (*cur.begin()).second.first;
        res[i][2] = (*cur.begin()).second.second;
        for(int j:R[i]){
            cur.erase(cur.find({i - j + 1,{j,i}}));
        }
    }
    int q;
    cin >> q;
    while(q--){
        int x,y;
        cin >> x >> y;
        cout << (y >= res[x][1] && y <= res[x][2] ? "YES\n":"NO\n");
    }
}
main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int T = 1; // cin >> T;
    while (T--)
        test();
}

Compilation message

long_mansion.cpp:108:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  108 | main()
      | ^~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 74700 KB Output is correct
2 Correct 27 ms 74844 KB Output is correct
3 Correct 23 ms 75100 KB Output is correct
4 Correct 26 ms 74588 KB Output is correct
5 Correct 20 ms 74472 KB Output is correct
6 Correct 19 ms 74444 KB Output is correct
7 Correct 23 ms 75004 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 74700 KB Output is correct
2 Correct 27 ms 74844 KB Output is correct
3 Correct 23 ms 75100 KB Output is correct
4 Correct 26 ms 74588 KB Output is correct
5 Correct 20 ms 74472 KB Output is correct
6 Correct 19 ms 74444 KB Output is correct
7 Correct 23 ms 75004 KB Output is correct
8 Correct 85 ms 76164 KB Output is correct
9 Correct 85 ms 76200 KB Output is correct
10 Correct 87 ms 80952 KB Output is correct
11 Correct 87 ms 81456 KB Output is correct
12 Correct 77 ms 79952 KB Output is correct
13 Correct 100 ms 80720 KB Output is correct
14 Correct 91 ms 80688 KB Output is correct
15 Correct 80 ms 80596 KB Output is correct
16 Correct 80 ms 80468 KB Output is correct
17 Correct 93 ms 80724 KB Output is correct
18 Correct 79 ms 80620 KB Output is correct
19 Correct 90 ms 80724 KB Output is correct
20 Correct 79 ms 80720 KB Output is correct
21 Correct 78 ms 80464 KB Output is correct
22 Correct 85 ms 80720 KB Output is correct
23 Correct 84 ms 80832 KB Output is correct
24 Correct 92 ms 80848 KB Output is correct
25 Correct 83 ms 80740 KB Output is correct
26 Correct 83 ms 80804 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 267 ms 110936 KB Output is correct
2 Correct 242 ms 116420 KB Output is correct
3 Correct 228 ms 113348 KB Output is correct
4 Correct 256 ms 117656 KB Output is correct
5 Correct 252 ms 117448 KB Output is correct
6 Correct 166 ms 103452 KB Output is correct
7 Correct 152 ms 102228 KB Output is correct
8 Correct 147 ms 102228 KB Output is correct
9 Correct 148 ms 102416 KB Output is correct
10 Correct 154 ms 102216 KB Output is correct
11 Correct 143 ms 102256 KB Output is correct

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 74700 KB Output is correct
2 Correct 27 ms 74844 KB Output is correct
3 Correct 23 ms 75100 KB Output is correct
4 Correct 26 ms 74588 KB Output is correct
5 Correct 20 ms 74472 KB Output is correct
6 Correct 19 ms 74444 KB Output is correct
7 Correct 23 ms 75004 KB Output is correct
8 Correct 85 ms 76164 KB Output is correct
9 Correct 85 ms 76200 KB Output is correct
10 Correct 87 ms 80952 KB Output is correct
11 Correct 87 ms 81456 KB Output is correct
12 Correct 77 ms 79952 KB Output is correct
13 Correct 100 ms 80720 KB Output is correct
14 Correct 91 ms 80688 KB Output is correct
15 Correct 80 ms 80596 KB Output is correct
16 Correct 80 ms 80468 KB Output is correct
17 Correct 93 ms 80724 KB Output is correct
18 Correct 79 ms 80620 KB Output is correct
19 Correct 90 ms 80724 KB Output is correct
20 Correct 79 ms 80720 KB Output is correct
21 Correct 78 ms 80464 KB Output is correct
22 Correct 85 ms 80720 KB Output is correct
23 Correct 84 ms 80832 KB Output is correct
24 Correct 92 ms 80848 KB Output is correct
25 Correct 83 ms 80740 KB Output is correct
26 Correct 83 ms 80804 KB Output is correct
27 Correct 267 ms 110936 KB Output is correct
28 Correct 242 ms 116420 KB Output is correct
29 Correct 228 ms 113348 KB Output is correct
30 Correct 256 ms 117656 KB Output is correct
31 Correct 252 ms 117448 KB Output is correct
32 Correct 166 ms 103452 KB Output is correct
33 Correct 152 ms 102228 KB Output is correct
34 Correct 147 ms 102228 KB Output is correct
35 Correct 148 ms 102416 KB Output is correct
36 Correct 154 ms 102216 KB Output is correct
37 Correct 143 ms 102256 KB Output is correct
38 Runtime error 482 ms 262144 KB Execution killed with signal 9
39 Halted 0 ms 0 KB -