oj.uz

Submission #169951

# Submission time Handle Problem Language Result Execution time Memory
169951 2019-12-23T11:03:52 Z moonrabbit2 Political Development (BOI17_politicaldevelopment) C++17
100 / 100
 1055 ms 52644 KB 
#include <bits/stdc++.h>
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef double db;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<db,db> pdb;
typedef tuple<int,int,int> tii;
typedef tuple<ll,ll,ll> tll;
typedef vector<vector<ll>> mat;
const ll mod=1e9+7;
const int N=1e5+5;
int n,ans,deg[N],k;
bool ok[N];
set<pii> st,degs;
set<int> g[N];
vector<int> v;
int sz,okmask[15];
void backtrack(int c,int cur,int mask){
	if(c==sz){
		for(int i=0;i<sz;i++) if(mask&(1<<i)){
			if((okmask[i]&mask)!=mask) return;
		}
		ans=max(ans,cur+1);
		return;
	}
	backtrack(c+1,cur+1,mask|(1<<c));
	backtrack(c+1,cur,mask); 
}
void Do(int u){
	sz=g[u].size();
	if(sz<=1){
		ans=max(ans,sz+1);
		return;
	}
	v.clear(); for(auto &it : g[u]) v.emplace_back(it);
	for(int i=0;i<sz;i++){
		okmask[i]=1<<i;
		for(int j=0;j<sz;j++) if(st.find(pii(v[i],v[j]))!=st.end()) okmask[i]|=1<<j;
	}
	backtrack(0,0,0);
}
int main(){
    ios::sync_with_stdio(false); cin.tie(0);
    cin>>n>>k;
	for(int i=1;i<=n;i++){
		cin>>deg[i];
		degs.emplace(deg[i],i);
		for(int u,j=1;j<=deg[i];j++){
			cin>>u; u++;
			st.emplace(i,u);
			g[i].emplace(u);
		}
	}
	for(int i=1;i<=n;i++){
		pii tp=*degs.begin(); degs.erase(tp);
		int u=tp.se;
		Do(u);
		ok[u]=true;
		for(auto &it : g[u]){
			degs.erase(pii(deg[it],it));
			deg[it]--;
			degs.emplace(deg[it],it);
			g[it].erase(u);
		}
	}
	cout<<ans;
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 15 ms 6288 KB Output is correct
4 Correct 14 ms 6392 KB Output is correct
5 Correct 14 ms 6236 KB Output is correct
6 Correct 15 ms 6264 KB Output is correct
7 Correct 15 ms 6264 KB Output is correct
8 Correct 8 ms 5240 KB Output is correct
9 Correct 6 ms 5052 KB Output is correct
10 Correct 8 ms 5240 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 15 ms 6288 KB Output is correct
4 Correct 14 ms 6392 KB Output is correct
5 Correct 14 ms 6236 KB Output is correct
6 Correct 15 ms 6264 KB Output is correct
7 Correct 15 ms 6264 KB Output is correct
8 Correct 8 ms 5240 KB Output is correct
9 Correct 6 ms 5052 KB Output is correct
10 Correct 8 ms 5240 KB Output is correct
11 Correct 14 ms 6264 KB Output is correct
12 Correct 14 ms 6264 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 14 ms 6264 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 14 ms 6236 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 14 ms 6268 KB Output is correct
19 Correct 7 ms 5240 KB Output is correct
20 Correct 11 ms 5752 KB Output is correct
21 Correct 10 ms 5752 KB Output is correct
22 Correct 7 ms 5240 KB Output is correct
23 Correct 18 ms 6520 KB Output is correct
24 Correct 8 ms 5368 KB Output is correct
25 Correct 18 ms 6648 KB Output is correct
26 Correct 17 ms 6392 KB Output is correct
27 Correct 13 ms 6264 KB Output is correct
28 Correct 16 ms 6360 KB Output is correct
29 Correct 14 ms 6264 KB Output is correct
30 Correct 18 ms 6676 KB Output is correct
31 Correct 18 ms 6648 KB Output is correct
32 Correct 18 ms 6648 KB Output is correct
33 Correct 18 ms 6648 KB Output is correct
34 Correct 17 ms 6648 KB Output is correct
35 Correct 12 ms 5752 KB Output is correct
36 Correct 12 ms 5752 KB Output is correct
37 Correct 12 ms 5752 KB Output is correct
38 Correct 10 ms 5496 KB Output is correct
39 Correct 11 ms 5624 KB Output is correct
40 Correct 28 ms 7288 KB Output is correct
41 Correct 10 ms 5624 KB Output is correct
42 Correct 28 ms 7288 KB Output is correct
43 Correct 29 ms 7332 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5340 KB Output is correct
2 Correct 6 ms 5084 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5084 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5052 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 4988 KB Output is correct
9 Correct 9 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 992 ms 52644 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 1018 ms 52608 KB Output is correct
14 Correct 6 ms 5092 KB Output is correct
15 Correct 1029 ms 52628 KB Output is correct
16 Correct 981 ms 52612 KB Output is correct
17 Correct 1000 ms 52624 KB Output is correct
18 Correct 1055 ms 52620 KB Output is correct

Subtask #4
38.0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 15 ms 6288 KB Output is correct
4 Correct 14 ms 6392 KB Output is correct
5 Correct 14 ms 6236 KB Output is correct
6 Correct 15 ms 6264 KB Output is correct
7 Correct 15 ms 6264 KB Output is correct
8 Correct 8 ms 5240 KB Output is correct
9 Correct 6 ms 5052 KB Output is correct
10 Correct 8 ms 5240 KB Output is correct
11 Correct 14 ms 6264 KB Output is correct
12 Correct 14 ms 6264 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 14 ms 6264 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 14 ms 6236 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 14 ms 6268 KB Output is correct
19 Correct 7 ms 5240 KB Output is correct
20 Correct 11 ms 5752 KB Output is correct
21 Correct 10 ms 5752 KB Output is correct
22 Correct 7 ms 5240 KB Output is correct
23 Correct 18 ms 6520 KB Output is correct
24 Correct 8 ms 5368 KB Output is correct
25 Correct 18 ms 6648 KB Output is correct
26 Correct 17 ms 6392 KB Output is correct
27 Correct 13 ms 6264 KB Output is correct
28 Correct 16 ms 6360 KB Output is correct
29 Correct 14 ms 6264 KB Output is correct
30 Correct 18 ms 6676 KB Output is correct
31 Correct 18 ms 6648 KB Output is correct
32 Correct 18 ms 6648 KB Output is correct
33 Correct 18 ms 6648 KB Output is correct
34 Correct 17 ms 6648 KB Output is correct
35 Correct 12 ms 5752 KB Output is correct
36 Correct 12 ms 5752 KB Output is correct
37 Correct 12 ms 5752 KB Output is correct
38 Correct 10 ms 5496 KB Output is correct
39 Correct 11 ms 5624 KB Output is correct
40 Correct 28 ms 7288 KB Output is correct
41 Correct 10 ms 5624 KB Output is correct
42 Correct 28 ms 7288 KB Output is correct
43 Correct 29 ms 7332 KB Output is correct
44 Correct 57 ms 9308 KB Output is correct
45 Correct 6 ms 5112 KB Output is correct
46 Correct 28 ms 7288 KB Output is correct
47 Correct 57 ms 9296 KB Output is correct
48 Correct 27 ms 7288 KB Output is correct
49 Correct 57 ms 9248 KB Output is correct
50 Correct 55 ms 9208 KB Output is correct
51 Correct 146 ms 13256 KB Output is correct
52 Correct 14 ms 6264 KB Output is correct
53 Correct 131 ms 14244 KB Output is correct
54 Correct 181 ms 14248 KB Output is correct
55 Correct 14 ms 6260 KB Output is correct
56 Correct 14 ms 6236 KB Output is correct
57 Correct 7 ms 5344 KB Output is correct
58 Correct 127 ms 14200 KB Output is correct
59 Correct 24 ms 7344 KB Output is correct
60 Correct 14 ms 6380 KB Output is correct
61 Correct 24 ms 7288 KB Output is correct
62 Correct 24 ms 7288 KB Output is correct
63 Correct 58 ms 9308 KB Output is correct
64 Correct 43 ms 8696 KB Output is correct
65 Correct 24 ms 7032 KB Output is correct
66 Correct 24 ms 7332 KB Output is correct
67 Correct 72 ms 10104 KB Output is correct
68 Correct 42 ms 8696 KB Output is correct
69 Correct 24 ms 7016 KB Output is correct
70 Correct 50 ms 8824 KB Output is correct
71 Correct 81 ms 9976 KB Output is correct
72 Correct 67 ms 9848 KB Output is correct
73 Correct 13 ms 6264 KB Output is correct
74 Correct 52 ms 8948 KB Output is correct
75 Correct 69 ms 9944 KB Output is correct
76 Correct 36 ms 7908 KB Output is correct
77 Correct 90 ms 11016 KB Output is correct
78 Correct 13 ms 6392 KB Output is correct
79 Correct 44 ms 8040 KB Output is correct
80 Correct 36 ms 7928 KB Output is correct
81 Correct 91 ms 11020 KB Output is correct
82 Correct 10 ms 5528 KB Output is correct
83 Correct 44 ms 7932 KB Output is correct
84 Correct 62 ms 9708 KB Output is correct
85 Correct 10 ms 5500 KB Output is correct
86 Correct 63 ms 9720 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 4984 KB Output is correct
3 Correct 15 ms 6288 KB Output is correct
4 Correct 14 ms 6392 KB Output is correct
5 Correct 14 ms 6236 KB Output is correct
6 Correct 15 ms 6264 KB Output is correct
7 Correct 15 ms 6264 KB Output is correct
8 Correct 8 ms 5240 KB Output is correct
9 Correct 6 ms 5052 KB Output is correct
10 Correct 8 ms 5240 KB Output is correct
11 Correct 14 ms 6264 KB Output is correct
12 Correct 14 ms 6264 KB Output is correct
13 Correct 6 ms 4984 KB Output is correct
14 Correct 14 ms 6264 KB Output is correct
15 Correct 6 ms 5112 KB Output is correct
16 Correct 14 ms 6236 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 14 ms 6268 KB Output is correct
19 Correct 7 ms 5240 KB Output is correct
20 Correct 11 ms 5752 KB Output is correct
21 Correct 10 ms 5752 KB Output is correct
22 Correct 7 ms 5240 KB Output is correct
23 Correct 18 ms 6520 KB Output is correct
24 Correct 8 ms 5368 KB Output is correct
25 Correct 18 ms 6648 KB Output is correct
26 Correct 17 ms 6392 KB Output is correct
27 Correct 13 ms 6264 KB Output is correct
28 Correct 16 ms 6360 KB Output is correct
29 Correct 14 ms 6264 KB Output is correct
30 Correct 18 ms 6676 KB Output is correct
31 Correct 18 ms 6648 KB Output is correct
32 Correct 18 ms 6648 KB Output is correct
33 Correct 18 ms 6648 KB Output is correct
34 Correct 17 ms 6648 KB Output is correct
35 Correct 12 ms 5752 KB Output is correct
36 Correct 12 ms 5752 KB Output is correct
37 Correct 12 ms 5752 KB Output is correct
38 Correct 10 ms 5496 KB Output is correct
39 Correct 11 ms 5624 KB Output is correct
40 Correct 28 ms 7288 KB Output is correct
41 Correct 10 ms 5624 KB Output is correct
42 Correct 28 ms 7288 KB Output is correct
43 Correct 29 ms 7332 KB Output is correct
44 Correct 6 ms 4984 KB Output is correct
45 Correct 608 ms 37920 KB Output is correct
46 Correct 220 ms 22740 KB Output is correct
47 Correct 632 ms 37720 KB Output is correct
48 Correct 600 ms 37736 KB Output is correct
49 Correct 133 ms 17744 KB Output is correct
50 Correct 547 ms 47612 KB Output is correct
51 Correct 607 ms 37760 KB Output is correct
52 Correct 113 ms 17656 KB Output is correct
53 Correct 136 ms 17744 KB Output is correct
54 Correct 25 ms 7672 KB Output is correct
55 Correct 592 ms 47620 KB Output is correct
56 Correct 66 ms 12664 KB Output is correct
57 Correct 114 ms 17808 KB Output is correct
58 Correct 183 ms 22776 KB Output is correct
59 Correct 85 ms 12664 KB Output is correct
60 Correct 70 ms 12816 KB Output is correct
61 Correct 191 ms 22776 KB Output is correct
62 Correct 125 ms 17784 KB Output is correct
63 Correct 292 ms 25208 KB Output is correct
64 Correct 68 ms 12708 KB Output is correct
65 Correct 409 ms 30172 KB Output is correct
66 Correct 120 ms 17656 KB Output is correct
67 Correct 301 ms 25320 KB Output is correct
68 Correct 368 ms 28920 KB Output is correct
69 Correct 407 ms 30200 KB Output is correct
70 Correct 119 ms 17784 KB Output is correct
71 Correct 379 ms 29024 KB Output is correct
72 Correct 272 ms 24312 KB Output is correct
73 Correct 478 ms 33400 KB Output is correct
74 Correct 119 ms 17784 KB Output is correct
75 Correct 147 ms 16248 KB Output is correct
76 Correct 264 ms 24312 KB Output is correct
77 Correct 464 ms 33432 KB Output is correct
78 Correct 199 ms 19344 KB Output is correct
79 Correct 144 ms 15992 KB Output is correct
80 Correct 63 ms 10624 KB Output is correct
81 Correct 203 ms 19224 KB Output is correct
82 Correct 334 ms 27740 KB Output is correct
83 Correct 66 ms 10616 KB Output is correct
84 Correct 334 ms 27852 KB Output is correct