oj.uz

Submission #1101955

# Submission time Handle Problem Language Result Execution time Memory
1101955 2024-10-17T08:43:10 Z irmuun Long Mansion (JOI17_long_mansion) C++17
100 / 100
 183 ms 68180 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

const ll N=5e5+5;

ll n,c[N],b[N],l[N],r[N],last[N],p[N],q[N];
vector<ll>key[N];

int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin>>n;
    for(ll i=1;i<n;i++){
        cin>>c[i];
    }
    for(ll i=1;i<=n;i++){
        cin>>b[i];
        key[i].resize(b[i]);
        for(auto &k:key[i]){
            cin>>k;
        }
    }
    fill(last,last+n+1,0);
    //left closest position
    for(ll i=1;i<n;i++){
        for(ll k:key[i]){
            last[k]=i;
        }
        p[i]=last[c[i]];
    }
    fill(last,last+n+1,n+1);
    //right closest position
    for(ll i=n;i>=2;i--){
        for(ll k:key[i]){
            last[k]=i;
        }
        q[i]=last[c[i-1]];
    }
    for(ll i=1;i<=n;i++){
        l[i]=i;
        r[i]=i;
        while(true){
            if(l[i]>1&&q[l[i]]<=r[i]){//can move to left
                l[i]--;
                if(r[l[i]]>=i){
                    r[i]=r[l[i]];
                    l[i]=l[l[i]];
                    break;
                }
            }
            else if(r[i]<n&&p[r[i]]>=l[i]){
                r[i]++;
            }
            else{
                break;
            }
        }
    }
    ll q;
    cin>>q;
    while(q--){
        ll x,y;
        cin>>x>>y;
        if(l[x]<=y&&y<=r[x]){
            cout<<"YES\n";
        }
        else{
            cout<<"NO\n";
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 25260 KB Output is correct
2 Correct 5 ms 25424 KB Output is correct
3 Correct 6 ms 25472 KB Output is correct
4 Correct 7 ms 25424 KB Output is correct
5 Correct 5 ms 25212 KB Output is correct
6 Correct 5 ms 25424 KB Output is correct
7 Correct 5 ms 25196 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 25260 KB Output is correct
2 Correct 5 ms 25424 KB Output is correct
3 Correct 6 ms 25472 KB Output is correct
4 Correct 7 ms 25424 KB Output is correct
5 Correct 5 ms 25212 KB Output is correct
6 Correct 5 ms 25424 KB Output is correct
7 Correct 5 ms 25196 KB Output is correct
8 Correct 62 ms 31136 KB Output is correct
9 Correct 65 ms 31132 KB Output is correct
10 Correct 64 ms 31560 KB Output is correct
11 Correct 74 ms 31816 KB Output is correct
12 Correct 59 ms 30792 KB Output is correct
13 Correct 61 ms 31304 KB Output is correct
14 Correct 62 ms 31304 KB Output is correct
15 Correct 59 ms 31272 KB Output is correct
16 Correct 54 ms 31052 KB Output is correct
17 Correct 59 ms 31308 KB Output is correct
18 Correct 60 ms 31304 KB Output is correct
19 Correct 87 ms 31264 KB Output is correct
20 Correct 59 ms 31304 KB Output is correct
21 Correct 60 ms 31048 KB Output is correct
22 Correct 59 ms 31304 KB Output is correct
23 Correct 86 ms 31196 KB Output is correct
24 Correct 63 ms 31060 KB Output is correct
25 Correct 62 ms 31048 KB Output is correct
26 Correct 61 ms 31048 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 40712 KB Output is correct
2 Correct 106 ms 40528 KB Output is correct
3 Correct 105 ms 40144 KB Output is correct
4 Correct 113 ms 40780 KB Output is correct
5 Correct 100 ms 40524 KB Output is correct
6 Correct 82 ms 38732 KB Output is correct
7 Correct 96 ms 38476 KB Output is correct
8 Correct 95 ms 38324 KB Output is correct
9 Correct 88 ms 38424 KB Output is correct
10 Correct 87 ms 38476 KB Output is correct
11 Correct 83 ms 38368 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 25260 KB Output is correct
2 Correct 5 ms 25424 KB Output is correct
3 Correct 6 ms 25472 KB Output is correct
4 Correct 7 ms 25424 KB Output is correct
5 Correct 5 ms 25212 KB Output is correct
6 Correct 5 ms 25424 KB Output is correct
7 Correct 5 ms 25196 KB Output is correct
8 Correct 62 ms 31136 KB Output is correct
9 Correct 65 ms 31132 KB Output is correct
10 Correct 64 ms 31560 KB Output is correct
11 Correct 74 ms 31816 KB Output is correct
12 Correct 59 ms 30792 KB Output is correct
13 Correct 61 ms 31304 KB Output is correct
14 Correct 62 ms 31304 KB Output is correct
15 Correct 59 ms 31272 KB Output is correct
16 Correct 54 ms 31052 KB Output is correct
17 Correct 59 ms 31308 KB Output is correct
18 Correct 60 ms 31304 KB Output is correct
19 Correct 87 ms 31264 KB Output is correct
20 Correct 59 ms 31304 KB Output is correct
21 Correct 60 ms 31048 KB Output is correct
22 Correct 59 ms 31304 KB Output is correct
23 Correct 86 ms 31196 KB Output is correct
24 Correct 63 ms 31060 KB Output is correct
25 Correct 62 ms 31048 KB Output is correct
26 Correct 61 ms 31048 KB Output is correct
27 Correct 125 ms 40712 KB Output is correct
28 Correct 106 ms 40528 KB Output is correct
29 Correct 105 ms 40144 KB Output is correct
30 Correct 113 ms 40780 KB Output is correct
31 Correct 100 ms 40524 KB Output is correct
32 Correct 82 ms 38732 KB Output is correct
33 Correct 96 ms 38476 KB Output is correct
34 Correct 95 ms 38324 KB Output is correct
35 Correct 88 ms 38424 KB Output is correct
36 Correct 87 ms 38476 KB Output is correct
37 Correct 83 ms 38368 KB Output is correct
38 Correct 174 ms 64332 KB Output is correct
39 Correct 183 ms 68180 KB Output is correct
40 Correct 151 ms 59468 KB Output is correct
41 Correct 166 ms 66380 KB Output is correct
42 Correct 85 ms 39500 KB Output is correct
43 Correct 97 ms 39500 KB Output is correct
44 Correct 143 ms 53520 KB Output is correct
45 Correct 114 ms 53580 KB Output is correct
46 Correct 121 ms 53836 KB Output is correct
47 Correct 88 ms 39500 KB Output is correct
48 Correct 91 ms 39456 KB Output is correct
49 Correct 121 ms 53584 KB Output is correct
50 Correct 123 ms 53580 KB Output is correct
51 Correct 123 ms 53896 KB Output is correct
52 Correct 142 ms 52556 KB Output is correct
53 Correct 140 ms 59724 KB Output is correct
54 Correct 158 ms 65356 KB Output is correct
55 Correct 132 ms 59916 KB Output is correct