oj.uz

Submission #206992

# Submission time Handle Problem Language Result Execution time Memory
206992 2020-03-06T03:49:58 Z nvmdava Long Mansion (JOI17_long_mansion) C++17
10 / 100
 3000 ms 16632 KB 
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define ll long long
#define ff first
#define ss second
#define N 524288
#define MOD 1000000007
#define INF 0x3f3f3f3f

int c[N];
int n;

vector<int> loc[N];

int le[N], ri[N];

bool query(int l, int r, int c){
    auto it = lower_bound(loc[c].begin(), loc[c].end(), l);
    return it != loc[c].end() && *it <= r;
}

void dnc(int l, int r){
    if(l > r) return;
    int m = (l + r) >> 1;
    int L = m, R = m;
    bool ok;
    do {
        ok = 0;
        while(query(L, R, c[R])){
            ++R;
            ok = 1;
            if(ri[R]){
                L = min(L, le[R]);
                R = max(R, ri[R]);
            }
        }
        while(query(L, R, c[L - 1])){
            --L;
            ok = 1;
            if(le[L]){
                R = max(R, ri[L]);
                L = min(L, le[L]);
            }
        }
    } while (ok == 1);
    le[m] = L;
    ri[m] = R;
    dnc(l, m - 1);
    dnc(m + 1, r);
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n;
    for(int i = 1; i < n; ++i){
        cin>>c[i];
    }
    for(int b, k, i = 1; i <= n; ++i){
        cin>>b;
        while(b--){
            cin>>k;
            loc[k].push_back(i);
        }
    }
    dnc(1, n);
    int q;
    cin>>q;
    while(q--){
        int x, y;
        cin>>x>>y;
        if(le[x] <= y && y <= ri[x])
            cout<<"YES\n";
        else
            cout<<"NO\n";
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12920 KB Output is correct
2 Correct 17 ms 12792 KB Output is correct
3 Correct 27 ms 12920 KB Output is correct
4 Correct 15 ms 12792 KB Output is correct
5 Correct 15 ms 12792 KB Output is correct
6 Correct 15 ms 12920 KB Output is correct
7 Correct 14 ms 12920 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12920 KB Output is correct
2 Correct 17 ms 12792 KB Output is correct
3 Correct 27 ms 12920 KB Output is correct
4 Correct 15 ms 12792 KB Output is correct
5 Correct 15 ms 12792 KB Output is correct
6 Correct 15 ms 12920 KB Output is correct
7 Correct 14 ms 12920 KB Output is correct
8 Correct 138 ms 14712 KB Output is correct
9 Correct 122 ms 14464 KB Output is correct
10 Correct 128 ms 14584 KB Output is correct
11 Correct 126 ms 14716 KB Output is correct
12 Correct 111 ms 14584 KB Output is correct
13 Correct 117 ms 14584 KB Output is correct
14 Correct 122 ms 14712 KB Output is correct
15 Correct 119 ms 14712 KB Output is correct
16 Correct 121 ms 14844 KB Output is correct
17 Correct 122 ms 14584 KB Output is correct
18 Correct 120 ms 14584 KB Output is correct
19 Correct 121 ms 14584 KB Output is correct
20 Correct 122 ms 14712 KB Output is correct
21 Correct 118 ms 14844 KB Output is correct
22 Correct 120 ms 14712 KB Output is correct
23 Correct 127 ms 14532 KB Output is correct
24 Correct 125 ms 14456 KB Output is correct
25 Correct 119 ms 14584 KB Output is correct
26 Correct 122 ms 14456 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3070 ms 16632 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 12920 KB Output is correct
2 Correct 17 ms 12792 KB Output is correct
3 Correct 27 ms 12920 KB Output is correct
4 Correct 15 ms 12792 KB Output is correct
5 Correct 15 ms 12792 KB Output is correct
6 Correct 15 ms 12920 KB Output is correct
7 Correct 14 ms 12920 KB Output is correct
8 Correct 138 ms 14712 KB Output is correct
9 Correct 122 ms 14464 KB Output is correct
10 Correct 128 ms 14584 KB Output is correct
11 Correct 126 ms 14716 KB Output is correct
12 Correct 111 ms 14584 KB Output is correct
13 Correct 117 ms 14584 KB Output is correct
14 Correct 122 ms 14712 KB Output is correct
15 Correct 119 ms 14712 KB Output is correct
16 Correct 121 ms 14844 KB Output is correct
17 Correct 122 ms 14584 KB Output is correct
18 Correct 120 ms 14584 KB Output is correct
19 Correct 121 ms 14584 KB Output is correct
20 Correct 122 ms 14712 KB Output is correct
21 Correct 118 ms 14844 KB Output is correct
22 Correct 120 ms 14712 KB Output is correct
23 Correct 127 ms 14532 KB Output is correct
24 Correct 125 ms 14456 KB Output is correct
25 Correct 119 ms 14584 KB Output is correct
26 Correct 122 ms 14456 KB Output is correct
27 Execution timed out 3070 ms 16632 KB Time limit exceeded
28 Halted 0 ms 0 KB -