oj.uz

Submission #406164

# Submission time Handle Problem Language Result Execution time Memory
406164 2021-05-17T08:58:11 Z oolimry From Hacks to Snitches (BOI21_watchmen) C++17
15 / 100
 1404 ms 184660 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> 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 116 ms 43344 KB Output is correct
2 Correct 125 ms 53244 KB Output is correct
3 Correct 130 ms 51728 KB Output is correct
4 Correct 150 ms 51408 KB Output is correct
5 Correct 31 ms 41640 KB Output is correct
6 Correct 125 ms 51436 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 122 ms 43348 KB Output is correct
2 Correct 139 ms 53116 KB Output is correct
3 Correct 122 ms 51708 KB Output is correct
4 Correct 151 ms 51336 KB Output is correct
5 Correct 29 ms 41660 KB Output is correct
6 Correct 120 ms 51512 KB Output is correct
7 Correct 118 ms 51852 KB Output is correct
8 Correct 112 ms 51728 KB Output is correct
9 Correct 131 ms 51984 KB Output is correct
10 Correct 135 ms 51048 KB Output is correct
11 Correct 109 ms 50364 KB Output is correct
12 Correct 124 ms 51328 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 122 ms 43348 KB Output is correct
2 Correct 139 ms 53116 KB Output is correct
3 Correct 122 ms 51708 KB Output is correct
4 Correct 151 ms 51336 KB Output is correct
5 Correct 29 ms 41660 KB Output is correct
6 Correct 120 ms 51512 KB Output is correct
7 Correct 118 ms 51852 KB Output is correct
8 Correct 112 ms 51728 KB Output is correct
9 Correct 131 ms 51984 KB Output is correct
10 Correct 135 ms 51048 KB Output is correct
11 Correct 109 ms 50364 KB Output is correct
12 Correct 124 ms 51328 KB Output is correct
13 Correct 115 ms 43344 KB Output is correct
14 Correct 123 ms 53236 KB Output is correct
15 Correct 123 ms 51708 KB Output is correct
16 Correct 153 ms 51372 KB Output is correct
17 Correct 30 ms 41624 KB Output is correct
18 Correct 114 ms 51492 KB Output is correct
19 Correct 117 ms 51784 KB Output is correct
20 Correct 119 ms 51812 KB Output is correct
21 Correct 111 ms 51908 KB Output is correct
22 Correct 131 ms 50928 KB Output is correct
23 Correct 117 ms 50332 KB Output is correct
24 Correct 115 ms 51356 KB Output is correct
25 Runtime error 1404 ms 184660 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 122 ms 43348 KB Output is correct
2 Correct 139 ms 53116 KB Output is correct
3 Correct 122 ms 51708 KB Output is correct
4 Correct 151 ms 51336 KB Output is correct
5 Correct 29 ms 41660 KB Output is correct
6 Correct 120 ms 51512 KB Output is correct
7 Correct 118 ms 51852 KB Output is correct
8 Correct 112 ms 51728 KB Output is correct
9 Correct 131 ms 51984 KB Output is correct
10 Correct 135 ms 51048 KB Output is correct
11 Correct 109 ms 50364 KB Output is correct
12 Correct 124 ms 51328 KB Output is correct
13 Correct 115 ms 43344 KB Output is correct
14 Correct 123 ms 53236 KB Output is correct
15 Correct 123 ms 51708 KB Output is correct
16 Correct 153 ms 51372 KB Output is correct
17 Correct 30 ms 41624 KB Output is correct
18 Correct 114 ms 51492 KB Output is correct
19 Correct 117 ms 51784 KB Output is correct
20 Correct 119 ms 51812 KB Output is correct
21 Correct 111 ms 51908 KB Output is correct
22 Correct 131 ms 50928 KB Output is correct
23 Correct 117 ms 50332 KB Output is correct
24 Correct 115 ms 51356 KB Output is correct
25 Runtime error 1404 ms 184660 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 116 ms 43344 KB Output is correct
2 Correct 125 ms 53244 KB Output is correct
3 Correct 130 ms 51728 KB Output is correct
4 Correct 150 ms 51408 KB Output is correct
5 Correct 31 ms 41640 KB Output is correct
6 Correct 125 ms 51436 KB Output is correct
7 Correct 122 ms 43348 KB Output is correct
8 Correct 139 ms 53116 KB Output is correct
9 Correct 122 ms 51708 KB Output is correct
10 Correct 151 ms 51336 KB Output is correct
11 Correct 29 ms 41660 KB Output is correct
12 Correct 120 ms 51512 KB Output is correct
13 Correct 118 ms 51852 KB Output is correct
14 Correct 112 ms 51728 KB Output is correct
15 Correct 131 ms 51984 KB Output is correct
16 Correct 135 ms 51048 KB Output is correct
17 Correct 109 ms 50364 KB Output is correct
18 Correct 124 ms 51328 KB Output is correct
19 Correct 26 ms 41316 KB Output is correct
20 Correct 29 ms 41392 KB Output is correct
21 Incorrect 32 ms 41348 KB Output isn't correct
22 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 116 ms 43344 KB Output is correct
2 Correct 125 ms 53244 KB Output is correct
3 Correct 130 ms 51728 KB Output is correct
4 Correct 150 ms 51408 KB Output is correct
5 Correct 31 ms 41640 KB Output is correct
6 Correct 125 ms 51436 KB Output is correct
7 Correct 122 ms 43348 KB Output is correct
8 Correct 139 ms 53116 KB Output is correct
9 Correct 122 ms 51708 KB Output is correct
10 Correct 151 ms 51336 KB Output is correct
11 Correct 29 ms 41660 KB Output is correct
12 Correct 120 ms 51512 KB Output is correct
13 Correct 118 ms 51852 KB Output is correct
14 Correct 112 ms 51728 KB Output is correct
15 Correct 131 ms 51984 KB Output is correct
16 Correct 135 ms 51048 KB Output is correct
17 Correct 109 ms 50364 KB Output is correct
18 Correct 124 ms 51328 KB Output is correct
19 Correct 115 ms 43344 KB Output is correct
20 Correct 123 ms 53236 KB Output is correct
21 Correct 123 ms 51708 KB Output is correct
22 Correct 153 ms 51372 KB Output is correct
23 Correct 30 ms 41624 KB Output is correct
24 Correct 114 ms 51492 KB Output is correct
25 Correct 117 ms 51784 KB Output is correct
26 Correct 119 ms 51812 KB Output is correct
27 Correct 111 ms 51908 KB Output is correct
28 Correct 131 ms 50928 KB Output is correct
29 Correct 117 ms 50332 KB Output is correct
30 Correct 115 ms 51356 KB Output is correct
31 Runtime error 1404 ms 184660 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 116 ms 43344 KB Output is correct
2 Correct 125 ms 53244 KB Output is correct
3 Correct 130 ms 51728 KB Output is correct
4 Correct 150 ms 51408 KB Output is correct
5 Correct 31 ms 41640 KB Output is correct
6 Correct 125 ms 51436 KB Output is correct
7 Correct 122 ms 43348 KB Output is correct
8 Correct 139 ms 53116 KB Output is correct
9 Correct 122 ms 51708 KB Output is correct
10 Correct 151 ms 51336 KB Output is correct
11 Correct 29 ms 41660 KB Output is correct
12 Correct 120 ms 51512 KB Output is correct
13 Correct 118 ms 51852 KB Output is correct
14 Correct 112 ms 51728 KB Output is correct
15 Correct 131 ms 51984 KB Output is correct
16 Correct 135 ms 51048 KB Output is correct
17 Correct 109 ms 50364 KB Output is correct
18 Correct 124 ms 51328 KB Output is correct
19 Correct 115 ms 43344 KB Output is correct
20 Correct 123 ms 53236 KB Output is correct
21 Correct 123 ms 51708 KB Output is correct
22 Correct 153 ms 51372 KB Output is correct
23 Correct 30 ms 41624 KB Output is correct
24 Correct 114 ms 51492 KB Output is correct
25 Correct 117 ms 51784 KB Output is correct
26 Correct 119 ms 51812 KB Output is correct
27 Correct 111 ms 51908 KB Output is correct
28 Correct 131 ms 50928 KB Output is correct
29 Correct 117 ms 50332 KB Output is correct
30 Correct 115 ms 51356 KB Output is correct
31 Runtime error 1404 ms 184660 KB Execution killed with signal 11
32 Halted 0 ms 0 KB -