oj.uz

Submission #406161

# Submission time Handle Problem Language Result Execution time Memory
406161 2021-05-17T08:56:16 Z oolimry From Hacks to Snitches (BOI21_watchmen) C++17
15 / 100
 1332 ms 184944 KB 
#include <bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int) x.size())
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x, y) cerr << #x << " is " << x << ", " << #y << " is " << y << endl;
#define show3(x, y, z) cerr << #x << " is " << x << ", " << #y << " is " << y << ", " << #z << " is " << z << endl;
#define l first
#define r second
typedef long long lint;
typedef pair<int, int> ii;

int mod[250005];
int rem[250005];
int label[250005];
int basic[250005];

vector<int> adj[250005];
vector<int> special[250005];
vector<int> cycles[2750];
 
vector<int> dis[250005];
 
vector<ii> Q[1000005];

int uu[250005];
int vv[250005];
void addedge(int u, int v){
	if(label[v] == 0) adj[u].push_back(v);
	else special[u].push_back(v);
}

int main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	//freopen("i.txt","r",stdin);
	
	int n, m; cin >> n >> m;
	for(int i = 1;i <= m;i++){
		cin >> uu[i] >> vv[i];
	}
	
	for(int i = 1;i <= n;i++) mod[i] = 1, rem[i] = 1;
	int K; cin >> K;
	for(int i = 1;i <= K;i++){
		int L; cin >> L;
		for(int u = 0;u < L;u++){
			int x; cin >> x;
			mod[x] = L;
			rem[x] = u;
			label[x] = i;
		}
	}
	
	for(int i = 1;i <= m;i++){
		addedge(uu[i], vv[i]);
		addedge(vv[i], uu[i]);
	}
	
	const int inf = 102345678;
	for(int i = 1;i <= n;i++){
		dis[i].resize(mod[i]);
		fill(all(dis[i]), inf);
	}
 
	Q[0].push_back(ii(1,0));
	for(int d = 0;d <= 300000;d++){
		for(ii u : Q[d]){
			 int a = u.first, b = u.second;
			 if(d % mod[a] == rem[a]){
				 dis[a][b] = 0;
				 continue;
			 }
			// show3(a,b,d);
			 dis[a][b] = d;
			 
			 for(int v : special[a]){
				 for(int r = 1;r <= mod[v];r++){
					 if((d+r)%mod[a] == rem[a]){
						 if(rem[v] == (rem[a]+1)%mod[v] or label[a] != label[v]){
							int rr = (d+r)%mod[v];
							if(dis[v][rr] > d+r){
								dis[v][rr] = d+r;
								Q[d+r].push_back(ii(v, (d+r)%mod[v]));
							}
						 }
						 break;
					 }
					int rr = (d+r)%mod[v];
					if(dis[v][rr] > d+r){
						dis[v][rr] = d+r;
						Q[d+r].push_back(ii(v, (d+r)%mod[v]));
					}
					
					if(label[v] == 0 or label[a] == label[v]) break;
				 }
			 }
			 
			 if(basic[a]) continue;
			 basic[a] = 1;
			 
			 for(int v : adj[a]){
				 for(int r = 1;r <= mod[v];r++){
					 if((d+r)%mod[a] == rem[a]){
						 if(rem[v] == (rem[a]+1)%mod[v] or label[a] != label[v]){
							int rr = (d+r)%mod[v];
							if(dis[v][rr] > d+r){
								dis[v][rr] = d+r;
								Q[d+r].push_back(ii(v, (d+r)%mod[v]));
							}
						 }
						 break;
					 }
					int rr = (d+r)%mod[v];
					if(dis[v][rr] > d+r){
						dis[v][rr] = d+r;
						Q[d+r].push_back(ii(v, (d+r)%mod[v]));
					}
					
					if(label[v] == 0 or label[a] == label[v]) break;
				 }
			 }
		}
		Q[d].clear();
	}
	
	cout << dis[n][0];
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 43420 KB Output is correct
2 Correct 115 ms 53284 KB Output is correct
3 Correct 108 ms 51780 KB Output is correct
4 Correct 126 ms 51472 KB Output is correct
5 Correct 27 ms 41720 KB Output is correct
6 Correct 111 ms 51660 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 43332 KB Output is correct
2 Correct 128 ms 53312 KB Output is correct
3 Correct 129 ms 51780 KB Output is correct
4 Correct 130 ms 51432 KB Output is correct
5 Correct 26 ms 41720 KB Output is correct
6 Correct 111 ms 51564 KB Output is correct
7 Correct 107 ms 51820 KB Output is correct
8 Correct 112 ms 51820 KB Output is correct
9 Correct 106 ms 51952 KB Output is correct
10 Correct 125 ms 51016 KB Output is correct
11 Correct 102 ms 50416 KB Output is correct
12 Correct 105 ms 51408 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 43332 KB Output is correct
2 Correct 128 ms 53312 KB Output is correct
3 Correct 129 ms 51780 KB Output is correct
4 Correct 130 ms 51432 KB Output is correct
5 Correct 26 ms 41720 KB Output is correct
6 Correct 111 ms 51564 KB Output is correct
7 Correct 107 ms 51820 KB Output is correct
8 Correct 112 ms 51820 KB Output is correct
9 Correct 106 ms 51952 KB Output is correct
10 Correct 125 ms 51016 KB Output is correct
11 Correct 102 ms 50416 KB Output is correct
12 Correct 105 ms 51408 KB Output is correct
13 Correct 111 ms 43376 KB Output is correct
14 Correct 127 ms 53316 KB Output is correct
15 Correct 104 ms 51676 KB Output is correct
16 Correct 127 ms 51388 KB Output is correct
17 Correct 25 ms 41676 KB Output is correct
18 Correct 103 ms 51524 KB Output is correct
19 Correct 110 ms 51828 KB Output is correct
20 Correct 106 ms 51856 KB Output is correct
21 Correct 106 ms 52036 KB Output is correct
22 Correct 114 ms 51000 KB Output is correct
23 Correct 104 ms 50484 KB Output is correct
24 Correct 109 ms 51436 KB Output is correct
25 Runtime error 1332 ms 184944 KB Execution killed with signal 11
26 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 43332 KB Output is correct
2 Correct 128 ms 53312 KB Output is correct
3 Correct 129 ms 51780 KB Output is correct
4 Correct 130 ms 51432 KB Output is correct
5 Correct 26 ms 41720 KB Output is correct
6 Correct 111 ms 51564 KB Output is correct
7 Correct 107 ms 51820 KB Output is correct
8 Correct 112 ms 51820 KB Output is correct
9 Correct 106 ms 51952 KB Output is correct
10 Correct 125 ms 51016 KB Output is correct
11 Correct 102 ms 50416 KB Output is correct
12 Correct 105 ms 51408 KB Output is correct
13 Correct 111 ms 43376 KB Output is correct
14 Correct 127 ms 53316 KB Output is correct
15 Correct 104 ms 51676 KB Output is correct
16 Correct 127 ms 51388 KB Output is correct
17 Correct 25 ms 41676 KB Output is correct
18 Correct 103 ms 51524 KB Output is correct
19 Correct 110 ms 51828 KB Output is correct
20 Correct 106 ms 51856 KB Output is correct
21 Correct 106 ms 52036 KB Output is correct
22 Correct 114 ms 51000 KB Output is correct
23 Correct 104 ms 50484 KB Output is correct
24 Correct 109 ms 51436 KB Output is correct
25 Runtime error 1332 ms 184944 KB Execution killed with signal 11
26 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 43420 KB Output is correct
2 Correct 115 ms 53284 KB Output is correct
3 Correct 108 ms 51780 KB Output is correct
4 Correct 126 ms 51472 KB Output is correct
5 Correct 27 ms 41720 KB Output is correct
6 Correct 111 ms 51660 KB Output is correct
7 Correct 112 ms 43332 KB Output is correct
8 Correct 128 ms 53312 KB Output is correct
9 Correct 129 ms 51780 KB Output is correct
10 Correct 130 ms 51432 KB Output is correct
11 Correct 26 ms 41720 KB Output is correct
12 Correct 111 ms 51564 KB Output is correct
13 Correct 107 ms 51820 KB Output is correct
14 Correct 112 ms 51820 KB Output is correct
15 Correct 106 ms 51952 KB Output is correct
16 Correct 125 ms 51016 KB Output is correct
17 Correct 102 ms 50416 KB Output is correct
18 Correct 105 ms 51408 KB Output is correct
19 Correct 28 ms 41468 KB Output is correct
20 Correct 25 ms 41420 KB Output is correct
21 Incorrect 27 ms 41440 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 43420 KB Output is correct
2 Correct 115 ms 53284 KB Output is correct
3 Correct 108 ms 51780 KB Output is correct
4 Correct 126 ms 51472 KB Output is correct
5 Correct 27 ms 41720 KB Output is correct
6 Correct 111 ms 51660 KB Output is correct
7 Correct 112 ms 43332 KB Output is correct
8 Correct 128 ms 53312 KB Output is correct
9 Correct 129 ms 51780 KB Output is correct
10 Correct 130 ms 51432 KB Output is correct
11 Correct 26 ms 41720 KB Output is correct
12 Correct 111 ms 51564 KB Output is correct
13 Correct 107 ms 51820 KB Output is correct
14 Correct 112 ms 51820 KB Output is correct
15 Correct 106 ms 51952 KB Output is correct
16 Correct 125 ms 51016 KB Output is correct
17 Correct 102 ms 50416 KB Output is correct
18 Correct 105 ms 51408 KB Output is correct
19 Correct 111 ms 43376 KB Output is correct
20 Correct 127 ms 53316 KB Output is correct
21 Correct 104 ms 51676 KB Output is correct
22 Correct 127 ms 51388 KB Output is correct
23 Correct 25 ms 41676 KB Output is correct
24 Correct 103 ms 51524 KB Output is correct
25 Correct 110 ms 51828 KB Output is correct
26 Correct 106 ms 51856 KB Output is correct
27 Correct 106 ms 52036 KB Output is correct
28 Correct 114 ms 51000 KB Output is correct
29 Correct 104 ms 50484 KB Output is correct
30 Correct 109 ms 51436 KB Output is correct
31 Runtime error 1332 ms 184944 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 114 ms 43420 KB Output is correct
2 Correct 115 ms 53284 KB Output is correct
3 Correct 108 ms 51780 KB Output is correct
4 Correct 126 ms 51472 KB Output is correct
5 Correct 27 ms 41720 KB Output is correct
6 Correct 111 ms 51660 KB Output is correct
7 Correct 112 ms 43332 KB Output is correct
8 Correct 128 ms 53312 KB Output is correct
9 Correct 129 ms 51780 KB Output is correct
10 Correct 130 ms 51432 KB Output is correct
11 Correct 26 ms 41720 KB Output is correct
12 Correct 111 ms 51564 KB Output is correct
13 Correct 107 ms 51820 KB Output is correct
14 Correct 112 ms 51820 KB Output is correct
15 Correct 106 ms 51952 KB Output is correct
16 Correct 125 ms 51016 KB Output is correct
17 Correct 102 ms 50416 KB Output is correct
18 Correct 105 ms 51408 KB Output is correct
19 Correct 111 ms 43376 KB Output is correct
20 Correct 127 ms 53316 KB Output is correct
21 Correct 104 ms 51676 KB Output is correct
22 Correct 127 ms 51388 KB Output is correct
23 Correct 25 ms 41676 KB Output is correct
24 Correct 103 ms 51524 KB Output is correct
25 Correct 110 ms 51828 KB Output is correct
26 Correct 106 ms 51856 KB Output is correct
27 Correct 106 ms 52036 KB Output is correct
28 Correct 114 ms 51000 KB Output is correct
29 Correct 104 ms 50484 KB Output is correct
30 Correct 109 ms 51436 KB Output is correct
31 Runtime error 1332 ms 184944 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -