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Submission #338445

# Submission time Handle Problem Language Result Execution time Memory
338445 2020-12-23T06:48:36 Z alishahali1382 Bitaro’s Party (JOI18_bitaro) C++14
100 / 100
 830 ms 261612 KB 
#include <bits/stdc++.h>
#pragma GCC optimize ("O2,unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const int inf=1000000010;
const ll INF=10000000000000010LL;
const int mod=1000000007;
const int MAXN=100010, SQ=320;

int n, m, q, u, v, x, y, t, a, b, shit;
int dp[MAXN], mark[MAXN], sz[MAXN];
pii A[MAXN][SQ], B[2*SQ];
vector<int> G[MAXN];

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	cin>>n>>m>>q;
	while (m--){
		cin>>u>>v;
		G[v].pb(u);
	}
	for (int v=1; v<=n; v++){
		A[v][sz[v]++]={-1, v};
		for (int u:G[v]){
			shit++;
			int t=sz[v]+sz[u];
			merge(A[v], A[v]+sz[v], A[u], A[u]+sz[u], B, [](pii i, pii j){
				return i.first>j.first;
			});
			sz[v]=0;
			for (int i=0; i<t && sz[v]<SQ; i++) if (mark[B[i].second]!=shit){
				mark[B[i].second]=shit;
				A[v][sz[v]++]=B[i];
			}
		}
		for (int i=0; i<sz[v]; i++) A[v][i].first++;
	}
	memset(mark, 0, sizeof(mark));
	for (shit=1; shit<=q; shit++){
		cin>>v>>t;
		while (t--) cin>>x, mark[x]=shit;
		bool ok=0;
		for (int i=0; i<sz[v]; i++) if (mark[A[v][i].second]!=shit){
			cout<<A[v][i].first<<"\n";
			ok=1;
			break ;
		}
		if (ok) continue ;
		for (int i=1; i<=v; i++){
			if (mark[i]==shit) dp[i]=-inf;
			else dp[i]=0;
			for (int u:G[i]) dp[i]=max(dp[i], dp[u]+1);
		}
		if (dp[v]<0) dp[v]=-1;
		cout<<dp[v]<<"\n";
	}
	
	return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 2 ms 3052 KB Output is correct
4 Correct 2 ms 3052 KB Output is correct
5 Correct 5 ms 5612 KB Output is correct
6 Correct 5 ms 5612 KB Output is correct
7 Correct 5 ms 5612 KB Output is correct
8 Correct 9 ms 5632 KB Output is correct
9 Correct 7 ms 5612 KB Output is correct
10 Correct 7 ms 5612 KB Output is correct
11 Correct 8 ms 5612 KB Output is correct
12 Correct 6 ms 5612 KB Output is correct
13 Correct 8 ms 5612 KB Output is correct
14 Correct 7 ms 5612 KB Output is correct
15 Correct 6 ms 5612 KB Output is correct
16 Correct 8 ms 5612 KB Output is correct
17 Correct 7 ms 5612 KB Output is correct
18 Correct 6 ms 5612 KB Output is correct
19 Correct 7 ms 5612 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 2 ms 3052 KB Output is correct
4 Correct 2 ms 3052 KB Output is correct
5 Correct 5 ms 5612 KB Output is correct
6 Correct 5 ms 5612 KB Output is correct
7 Correct 5 ms 5612 KB Output is correct
8 Correct 9 ms 5632 KB Output is correct
9 Correct 7 ms 5612 KB Output is correct
10 Correct 7 ms 5612 KB Output is correct
11 Correct 8 ms 5612 KB Output is correct
12 Correct 6 ms 5612 KB Output is correct
13 Correct 8 ms 5612 KB Output is correct
14 Correct 7 ms 5612 KB Output is correct
15 Correct 6 ms 5612 KB Output is correct
16 Correct 8 ms 5612 KB Output is correct
17 Correct 7 ms 5612 KB Output is correct
18 Correct 6 ms 5612 KB Output is correct
19 Correct 7 ms 5612 KB Output is correct
20 Correct 619 ms 8684 KB Output is correct
21 Correct 475 ms 8556 KB Output is correct
22 Correct 625 ms 8428 KB Output is correct
23 Correct 653 ms 8556 KB Output is correct
24 Correct 610 ms 259308 KB Output is correct
25 Correct 618 ms 259360 KB Output is correct
26 Correct 622 ms 259436 KB Output is correct
27 Correct 632 ms 259820 KB Output is correct
28 Correct 631 ms 259732 KB Output is correct
29 Correct 642 ms 260204 KB Output is correct
30 Correct 645 ms 259820 KB Output is correct
31 Correct 653 ms 259820 KB Output is correct
32 Correct 654 ms 259948 KB Output is correct
33 Correct 524 ms 259520 KB Output is correct
34 Correct 501 ms 259308 KB Output is correct
35 Correct 523 ms 259308 KB Output is correct
36 Correct 580 ms 259436 KB Output is correct
37 Correct 577 ms 259448 KB Output is correct
38 Correct 585 ms 259436 KB Output is correct

Subtask #3
86.0 / 86.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3052 KB Output is correct
2 Correct 2 ms 3052 KB Output is correct
3 Correct 2 ms 3052 KB Output is correct
4 Correct 2 ms 3052 KB Output is correct
5 Correct 5 ms 5612 KB Output is correct
6 Correct 5 ms 5612 KB Output is correct
7 Correct 5 ms 5612 KB Output is correct
8 Correct 9 ms 5632 KB Output is correct
9 Correct 7 ms 5612 KB Output is correct
10 Correct 7 ms 5612 KB Output is correct
11 Correct 8 ms 5612 KB Output is correct
12 Correct 6 ms 5612 KB Output is correct
13 Correct 8 ms 5612 KB Output is correct
14 Correct 7 ms 5612 KB Output is correct
15 Correct 6 ms 5612 KB Output is correct
16 Correct 8 ms 5612 KB Output is correct
17 Correct 7 ms 5612 KB Output is correct
18 Correct 6 ms 5612 KB Output is correct
19 Correct 7 ms 5612 KB Output is correct
20 Correct 619 ms 8684 KB Output is correct
21 Correct 475 ms 8556 KB Output is correct
22 Correct 625 ms 8428 KB Output is correct
23 Correct 653 ms 8556 KB Output is correct
24 Correct 610 ms 259308 KB Output is correct
25 Correct 618 ms 259360 KB Output is correct
26 Correct 622 ms 259436 KB Output is correct
27 Correct 632 ms 259820 KB Output is correct
28 Correct 631 ms 259732 KB Output is correct
29 Correct 642 ms 260204 KB Output is correct
30 Correct 645 ms 259820 KB Output is correct
31 Correct 653 ms 259820 KB Output is correct
32 Correct 654 ms 259948 KB Output is correct
33 Correct 524 ms 259520 KB Output is correct
34 Correct 501 ms 259308 KB Output is correct
35 Correct 523 ms 259308 KB Output is correct
36 Correct 580 ms 259436 KB Output is correct
37 Correct 577 ms 259448 KB Output is correct
38 Correct 585 ms 259436 KB Output is correct
39 Correct 655 ms 260768 KB Output is correct
40 Correct 622 ms 259820 KB Output is correct
41 Correct 628 ms 259820 KB Output is correct
42 Correct 622 ms 259692 KB Output is correct
43 Correct 610 ms 259564 KB Output is correct
44 Correct 659 ms 9836 KB Output is correct
45 Correct 642 ms 8940 KB Output is correct
46 Correct 611 ms 9088 KB Output is correct
47 Correct 602 ms 8580 KB Output is correct
48 Correct 602 ms 8684 KB Output is correct
49 Correct 676 ms 261228 KB Output is correct
50 Correct 632 ms 259820 KB Output is correct
51 Correct 508 ms 9580 KB Output is correct
52 Correct 480 ms 8812 KB Output is correct
53 Correct 627 ms 260564 KB Output is correct
54 Correct 615 ms 260332 KB Output is correct
55 Correct 583 ms 259436 KB Output is correct
56 Correct 578 ms 259436 KB Output is correct
57 Correct 651 ms 9708 KB Output is correct
58 Correct 672 ms 9580 KB Output is correct
59 Correct 606 ms 8940 KB Output is correct
60 Correct 642 ms 8740 KB Output is correct
61 Correct 741 ms 260460 KB Output is correct
62 Correct 652 ms 259904 KB Output is correct
63 Correct 598 ms 259820 KB Output is correct
64 Correct 830 ms 260460 KB Output is correct
65 Correct 732 ms 259948 KB Output is correct
66 Correct 584 ms 259436 KB Output is correct
67 Correct 640 ms 259820 KB Output is correct
68 Correct 588 ms 259688 KB Output is correct
69 Correct 571 ms 259564 KB Output is correct
70 Correct 647 ms 260460 KB Output is correct
71 Correct 591 ms 259900 KB Output is correct
72 Correct 589 ms 259948 KB Output is correct
73 Correct 673 ms 260332 KB Output is correct
74 Correct 621 ms 259948 KB Output is correct
75 Correct 608 ms 259948 KB Output is correct
76 Correct 675 ms 261484 KB Output is correct
77 Correct 643 ms 260076 KB Output is correct
78 Correct 642 ms 260076 KB Output is correct
79 Correct 508 ms 9964 KB Output is correct
80 Correct 481 ms 8812 KB Output is correct
81 Correct 472 ms 8556 KB Output is correct
82 Correct 684 ms 261612 KB Output is correct
83 Correct 695 ms 261356 KB Output is correct
84 Correct 645 ms 260204 KB Output is correct
85 Correct 656 ms 260184 KB Output is correct
86 Correct 642 ms 260192 KB Output is correct
87 Correct 647 ms 260204 KB Output is correct
88 Correct 659 ms 9964 KB Output is correct
89 Correct 646 ms 9836 KB Output is correct
90 Correct 608 ms 8912 KB Output is correct
91 Correct 649 ms 8940 KB Output is correct
92 Correct 623 ms 8556 KB Output is correct
93 Correct 598 ms 8428 KB Output is correct
94 Correct 570 ms 260792 KB Output is correct
95 Correct 549 ms 260844 KB Output is correct
96 Correct 527 ms 259820 KB Output is correct
97 Correct 509 ms 259820 KB Output is correct
98 Correct 524 ms 259692 KB Output is correct
99 Correct 508 ms 259564 KB Output is correct
100 Correct 728 ms 9836 KB Output is correct
101 Correct 664 ms 9836 KB Output is correct
102 Correct 668 ms 8812 KB Output is correct
103 Correct 678 ms 8812 KB Output is correct
104 Correct 677 ms 8556 KB Output is correct
105 Correct 671 ms 8684 KB Output is correct
106 Correct 624 ms 260972 KB Output is correct
107 Correct 615 ms 260844 KB Output is correct
108 Correct 581 ms 259692 KB Output is correct
109 Correct 575 ms 259948 KB Output is correct
110 Correct 604 ms 259692 KB Output is correct
111 Correct 585 ms 259692 KB Output is correct
112 Correct 648 ms 9836 KB Output is correct
113 Correct 666 ms 9836 KB Output is correct
114 Correct 592 ms 9068 KB Output is correct
115 Correct 657 ms 8812 KB Output is correct
116 Correct 584 ms 8428 KB Output is correct
117 Correct 633 ms 8428 KB Output is correct
118 Correct 638 ms 259948 KB Output is correct
119 Correct 584 ms 259436 KB Output is correct
120 Correct 567 ms 259308 KB Output is correct
121 Correct 634 ms 259948 KB Output is correct
122 Correct 589 ms 259564 KB Output is correct
123 Correct 576 ms 259436 KB Output is correct
124 Correct 633 ms 259948 KB Output is correct
125 Correct 583 ms 259388 KB Output is correct
126 Correct 575 ms 259564 KB Output is correct