oj.uz

Submission #131091

# Submission time Handle Problem Language Result Execution time Memory
131091 2019-07-16T12:53:56 Z baluteshih Long Mansion (JOI17_long_mansion) C++14
100 / 100
 375 ms 54500 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#define jizz ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
#define pb push_back
#define ET cout << "\n"
#define ALL(v) v.begin(),v.end()
#define MP make_pair
#define F first
#define S second
#define MEM(i,j) memset(i,j,sizeof i)
#define DB(a,s,e) {for(int i=s;i<e;++i) cout << a[i] << " ";ET;}
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;

vector<int> v[500005];
int L[500005],R[500005],key[500005],ls[500005];
int rm[500005],relL[500005],relR[500005];

int main()
{jizz
	int n,c,x,q,l,r;
	cin >> n;
	for(int i=1;i<n;++i)
		cin >> key[i];
	for(int i=1;i<=n;++i)
		for(cin >> c;c--;)
			cin >> x,v[i].pb(x);
	for(int i=1;i<n;L[i]=ls[key[i]],++i)
		for(int j:v[i])
			ls[j]=i;
	fill(ls+1,ls+n+1,n+1),R[0]=n+1;
	for(int i=n-1;i>0;R[i]=ls[key[i]],--i)
		for(int j:v[i+1])
			ls[j]=i+1;
	for(int i=n;i>0;--i)
		for(rm[i]=i;L[rm[i]]>=i;rm[i]=rm[rm[i]+1]);
	for(int i=1;i<=n;++i)
		if(R[i-1]>rm[i])
			relL[i]=i,relR[i]=rm[i];
		else
			for(relL[i]=relL[i-1],relR[i]=max(rm[i],relR[i-1]);L[relR[i]]>=relL[i]||R[relL[i]-1]<=relR[i];)
				if(L[relR[i]]>=relL[i])
					relR[i]=rm[relR[i]+1];
				else if(R[relL[i]-1]<=relR[i])
					relL[i]=relL[relL[i]-1],relR[i]=max(relR[i],relR[relL[i]]);
	for(cin >> q;q--;)
		if(cin >> l >> r,relL[l]<=r&&relR[l]>=r)
			cout << "YES\n";
		else
			cout << "NO\n";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 12280 KB Output is correct
2 Correct 16 ms 12408 KB Output is correct
3 Correct 19 ms 12536 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 16 ms 12280 KB Output is correct
6 Correct 16 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 16 ms 12280 KB Output is correct
2 Correct 16 ms 12408 KB Output is correct
3 Correct 19 ms 12536 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 16 ms 12280 KB Output is correct
6 Correct 16 ms 12280 KB Output is correct
7 Correct 16 ms 12280 KB Output is correct
8 Correct 133 ms 18256 KB Output is correct
9 Correct 133 ms 18132 KB Output is correct
10 Correct 139 ms 18524 KB Output is correct
11 Correct 144 ms 18968 KB Output is correct
12 Correct 125 ms 17808 KB Output is correct
13 Correct 131 ms 18336 KB Output is correct
14 Correct 131 ms 18320 KB Output is correct
15 Correct 131 ms 18320 KB Output is correct
16 Correct 128 ms 18160 KB Output is correct
17 Correct 133 ms 18428 KB Output is correct
18 Correct 129 ms 18532 KB Output is correct
19 Correct 132 ms 18380 KB Output is correct
20 Correct 129 ms 18284 KB Output is correct
21 Correct 128 ms 18140 KB Output is correct
22 Correct 133 ms 18212 KB Output is correct
23 Correct 130 ms 18168 KB Output is correct
24 Correct 136 ms 18172 KB Output is correct
25 Correct 130 ms 18044 KB Output is correct
26 Correct 130 ms 18168 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 235 ms 20344 KB Output is correct
2 Correct 228 ms 27512 KB Output is correct
3 Correct 222 ms 27256 KB Output is correct
4 Correct 234 ms 27512 KB Output is correct
5 Correct 230 ms 27512 KB Output is correct
6 Correct 202 ms 26424 KB Output is correct
7 Correct 193 ms 25976 KB Output is correct
8 Correct 197 ms 26088 KB Output is correct
9 Correct 191 ms 25976 KB Output is correct
10 Correct 193 ms 26044 KB Output is correct
11 Correct 194 ms 26016 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 12280 KB Output is correct
2 Correct 16 ms 12408 KB Output is correct
3 Correct 19 ms 12536 KB Output is correct
4 Correct 17 ms 12280 KB Output is correct
5 Correct 16 ms 12280 KB Output is correct
6 Correct 16 ms 12280 KB Output is correct
7 Correct 16 ms 12280 KB Output is correct
8 Correct 133 ms 18256 KB Output is correct
9 Correct 133 ms 18132 KB Output is correct
10 Correct 139 ms 18524 KB Output is correct
11 Correct 144 ms 18968 KB Output is correct
12 Correct 125 ms 17808 KB Output is correct
13 Correct 131 ms 18336 KB Output is correct
14 Correct 131 ms 18320 KB Output is correct
15 Correct 131 ms 18320 KB Output is correct
16 Correct 128 ms 18160 KB Output is correct
17 Correct 133 ms 18428 KB Output is correct
18 Correct 129 ms 18532 KB Output is correct
19 Correct 132 ms 18380 KB Output is correct
20 Correct 129 ms 18284 KB Output is correct
21 Correct 128 ms 18140 KB Output is correct
22 Correct 133 ms 18212 KB Output is correct
23 Correct 130 ms 18168 KB Output is correct
24 Correct 136 ms 18172 KB Output is correct
25 Correct 130 ms 18044 KB Output is correct
26 Correct 130 ms 18168 KB Output is correct
27 Correct 235 ms 20344 KB Output is correct
28 Correct 228 ms 27512 KB Output is correct
29 Correct 222 ms 27256 KB Output is correct
30 Correct 234 ms 27512 KB Output is correct
31 Correct 230 ms 27512 KB Output is correct
32 Correct 202 ms 26424 KB Output is correct
33 Correct 193 ms 25976 KB Output is correct
34 Correct 197 ms 26088 KB Output is correct
35 Correct 191 ms 25976 KB Output is correct
36 Correct 193 ms 26044 KB Output is correct
37 Correct 194 ms 26016 KB Output is correct
38 Correct 357 ms 48724 KB Output is correct
39 Correct 361 ms 54500 KB Output is correct
40 Correct 335 ms 41844 KB Output is correct
41 Correct 362 ms 52848 KB Output is correct
42 Correct 199 ms 27192 KB Output is correct
43 Correct 200 ms 27256 KB Output is correct
44 Correct 277 ms 35716 KB Output is correct
45 Correct 283 ms 35836 KB Output is correct
46 Correct 297 ms 35956 KB Output is correct
47 Correct 205 ms 27256 KB Output is correct
48 Correct 206 ms 27000 KB Output is correct
49 Correct 278 ms 35704 KB Output is correct
50 Correct 279 ms 35704 KB Output is correct
51 Correct 317 ms 36176 KB Output is correct
52 Correct 250 ms 34552 KB Output is correct
53 Correct 311 ms 42136 KB Output is correct
54 Correct 375 ms 49724 KB Output is correct
55 Correct 305 ms 42360 KB Output is correct