CSES - Leirikisa 2

CSES - Leirikisa 2 - Results

Submission details
Task:	Nautilus
Sender:	a256
Submission time:	2023-04-18 17:13:37 +0300
Language:	C++ (C++11)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	RUNTIME ERROR	0
#2	RUNTIME ERROR	0
#3	RUNTIME ERROR	0

Test results
test	verdict	time	group
#1	RUNTIME ERROR	0.01 s	2, 3	details
#2	RUNTIME ERROR	0.01 s	1, 2, 3	details
#3	RUNTIME ERROR	0.01 s	1, 2, 3	details
#4	RUNTIME ERROR	0.01 s	1, 2, 3	details
#5	RUNTIME ERROR	0.01 s	1, 2, 3	details
#6	RUNTIME ERROR	0.01 s	1, 2, 3	details
#7	RUNTIME ERROR	0.01 s	1, 2, 3	details
#8	RUNTIME ERROR	0.01 s	2, 3	details
#9	RUNTIME ERROR	0.01 s	2, 3	details
#10	RUNTIME ERROR	0.01 s	2, 3	details
#11	RUNTIME ERROR	0.01 s	2, 3	details
#12	RUNTIME ERROR	0.01 s	2, 3	details
#13	RUNTIME ERROR	0.01 s	2, 3	details
#14	RUNTIME ERROR	0.01 s	2, 3	details
#15	RUNTIME ERROR	0.01 s	2, 3	details
#16	RUNTIME ERROR	0.01 s	2, 3	details
#17	RUNTIME ERROR	0.01 s	2, 3	details
#18	RUNTIME ERROR	0.01 s	2, 3	details
#19	RUNTIME ERROR	0.01 s	2, 3	details
#20	RUNTIME ERROR	0.01 s	2, 3	details
#21	RUNTIME ERROR	0.01 s	2, 3	details
#22	RUNTIME ERROR	0.01 s	2, 3	details
#23	RUNTIME ERROR	0.01 s	3	details
#24	RUNTIME ERROR	0.01 s	3	details
#25	RUNTIME ERROR	0.01 s	3	details
#26	RUNTIME ERROR	0.01 s	3	details
#27	RUNTIME ERROR	0.01 s	3	details
#28	RUNTIME ERROR	0.01 s	3	details
#29	RUNTIME ERROR	0.01 s	3	details
#30	RUNTIME ERROR	0.01 s	3	details
#31	RUNTIME ERROR	0.01 s	3	details
#32	RUNTIME ERROR	0.01 s	3	details
#33	RUNTIME ERROR	0.01 s	3	details
#34	RUNTIME ERROR	0.01 s	3	details
#35	RUNTIME ERROR	0.01 s	3	details
#36	RUNTIME ERROR	0.01 s	3	details
#37	RUNTIME ERROR	0.01 s	3	details

Code

#include <bits/stdc++.h>
using namespace std;
using ll=long long;
constexpr ll LLM=LONG_LONG_MAX;

int N,S,Q,E,shp[(int)2e5],I,D[(int)2e5];
vector<pair<int,pair<ll,int>>> v[(int)2e5];
vector<pair<int,int>> tiet;
vector<int> shops;
int f[(int)2e5][32],z[(int)2e5];
pair<int,ll> h[(int)2e5];

int ylös(int s,int k){
	for(;k;k^=(k&-k))
		s=f[s][__builtin_ctz(k)+1];
	return s;
}

int aye(int a,int b){
	if(D[b]>D[a]) swap(a,b);
	a=ylös(a,D[a]-D[b]);
	if(a==b) return a;
	for(int i=31;i;--i){
		if(f[a][i]!=f[b][i]){
			a=f[a][i];
			b=f[b][i];
		}
	}
	return f[a][1];
}

void haku(int s,int p,int d){
	D[s]=d;
	f[s][0]=s;
	f[s][1]=p;
	for(int k=2;k<32&&f[s][k-1];++k){
		f[s][k]=f[f[s][k-1]][k-1];
	}
	for(auto u:v[s]){
		if(u.first==p) continue;
		haku(u.first,s,d+1);
	}
}

void haku2(){
	priority_queue<pair<pair<ll,int>,pair<int,int>>> q;
	for(int s:shops) q.push({{0,s},{s,-1}});
	while(q.size()){
		auto p=q.top();q.pop();
		ll et=-p.first.first;
		int u=p.second.first;
		if(z[u]) continue;
		z[u]=1;
		h[u]={p.first.second,et};

		for(auto B:v[u]){
			if(B.first==p.second.second||B.second.second==I) continue;
			q.push({{-et-B.second.first,p.first.second},{B.first,u}});
		}
	}
}

bool reitillä(int a,int b,int s){
	if(s==a||s==b) return true;
	int ay=aye(a,b);
	if(D[s]<D[ay]) return false;
	if(D[a]>D[s]&&ylös(a,D[a]-D[s])==s) return true;
	if(D[b]>D[s]&&ylös(b,D[b]-D[s])==s) return true;
	return false;
}

bool kaari_reitillä(int a,int b){
	int ka=tiet[I-1].first,kb=tiet[I-1].second;
	return reitillä(a,b,ka)&&reitillä(a,b,kb);
}

bool ppako(int s){
	int a=tiet[I-1].first,b=tiet[I-1].second;
	return !(reitillä(s,E,a)&&reitillä(s,E,b));
}

bool pako(int s,int p){
	if(s==E) return true;
	for(auto u:v[s]){
		if(u.first==p||u.second.second==I) continue;
		if(pako(u.first,s)) return true;
	}
	return false;
}

ll etäisyys(int s,int ss){
	priority_queue<pair<ll,pair<int,int>>> q;
	q.push({0,{s,-1}});
	while(q.size()){
		auto p=q.top();q.pop();
		ll et=-p.first;
		int u=p.second.first;
		if(shp[u]) return et;
		if(ss!=h[u].first){
			if(!kaari_reitillä(u,h[u].first))
				return et+h[u].second;
		}
		for(auto B:v[u]){
			if(B.first==p.second.second||B.second.second==I) continue;
			q.push({-et-B.second.first,{B.first,u}});
		}
	}
	return -1;
}

void kysmys(){
	int R;
	cin>>I>>R;
	ll d;
	bool p=ppako(R);
	if(p){
		cout<<"escaped\n";
	} else{
		if(!kaari_reitillä(R,h[R].first)){
			cout<<h[R].second<<'\n';
			return;
		}
		if((d=etäisyys(R,h[R].first))==-1){
			cout<<"oo\n";
		} else {
			cout<<d<<'\n';
		}
	}
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);
	cin>>N>>S>>Q>>E;
	for(int i=0;i<N-1;++i){
		int A,B,W;
		cin>>A>>B>>W;
		v[A].push_back({B,{W,i+1}});
		v[B].push_back({A,{W,i+1}});
		tiet.push_back({A,B});
	}

	haku(1,0,0);

	for(int i=0;i<S;++i){
		int s; cin>>s;
		shp[s]=1;
		shops.push_back(s);
	}

	haku2();
	for(int i=0;i<Q;++i){
		kysmys();
	}
}

Test details

Test 1

Group: 2, 3

Verdict: RUNTIME ERROR

input
`5 9 7 ...##.... ..#.##..# ..#....## .##...#.. ...` view save

correct output
`22` view save

user output
(empty)

Test 2

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .................................` view save

correct output
`8272` view save

user output
(empty)

Test 3

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#...#.#..#.....#.........#......` view save

correct output
`5` view save

user output
(empty)

Test 4

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#...##...#...##....##.#.##..#...` view save

correct output
`1` view save

user output
(empty)

Test 5

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ..#.#.#..###.#.#.##..########....` view save

correct output
`1` view save

user output
(empty)

Test 6

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#.#.###########..#.###.######...` view save

correct output
`1` view save

user output
(empty)

Test 7

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ##############################...` view save

correct output
`1` view save

user output
(empty)

Test 8

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .................................` view save

correct output
`9503` view save

user output
(empty)

Test 9

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 #..#.##..#....##...#.##.##..#....` view save

correct output
`495` view save

user output
(empty)

Test 10

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 #.#...######.#####.#.##...#.##...` view save

correct output
`51` view save

user output
(empty)

Test 11

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#.#.###########..#.###.######...` view save

correct output
`34` view save

user output
(empty)

Test 12

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ##############################...` view save

correct output
`19` view save

user output
(empty)

Test 13

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .................................` view save

correct output
`9801` view save

user output
(empty)

Test 14

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ..............#..................` view save

correct output
`7479` view save

user output
(empty)

Test 15

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 #.#.........###.#..#.#..####.#...` view save

correct output
`5328` view save

user output
(empty)

Test 16

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#.#.###########..#.###.######...` view save

correct output
`127` view save

user output
(empty)

Test 17

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ##############################...` view save

correct output
`19` view save

user output
(empty)

Test 18

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .................................` view save

correct output
`10000` view save

user output
(empty)

Test 19

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ..............#..................` view save

correct output
`8047` view save

user output
(empty)

Test 20

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 #.#...######.#####.#.##...#.##...` view save

correct output
`3500` view save

user output
(empty)

Test 21

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 .#.#.###########..#.###.######...` view save

correct output
`1228` view save

user output
(empty)

Test 22

Group: 2, 3

Verdict: RUNTIME ERROR

input
`100 100 100 ##############################...` view save

correct output
`43` view save

user output
(empty)

Test 23

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 .................................` view save

correct output
`249493` view save

user output
(empty)

Test 24

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 #..#.##..#....##...#.##.##..#....` view save

correct output
`222` view save

user output
(empty)

Test 25

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 .#####....####..###...####.#.#...` view save

correct output
`1268` view save

user output
(empty)

Test 26

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 #.#####.##..#####.####..######...` view save

correct output
`805` view save

user output
(empty)

Test 27

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 ##############################...` view save

correct output
`349` view save

user output
(empty)

Test 28

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 .................................` view save

correct output
`249999` view save

user output
(empty)

Test 29

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 ..............#..................` view save

correct output
`197917` view save

user output
(empty)

Test 30

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 #.#.........###.#..#.#..####.#...` view save

correct output
`79550` view save

user output
(empty)

Test 31

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 #.#####.##..#####.####..######...` view save

correct output
`1221` view save

user output
(empty)

Test 32

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 ##############################...` view save

correct output
`1414` view save

user output
(empty)

Test 33

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 .................................` view save

correct output
`250000` view save

user output
(empty)

Test 34

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 ..............#..................` view save

correct output
`199752` view save

user output
(empty)

Test 35

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 .#####....####..###...####.#.#...` view save

correct output
`87691` view save

user output
(empty)

Test 36

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 #.#####.##..#####.####..######...` view save

correct output
`30998` view save

user output
(empty)

Test 37

Group: 3

Verdict: RUNTIME ERROR

input
`500 500 5000 ##############################...` view save

correct output
`1440` view save

user output
(empty)

Leirikisa 2

Nautilus

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Test 25

Test 26

Test 27

Test 28

Test 29

Test 30

Test 31

Test 32

Test 33

Test 34

Test 35

Test 36

Test 37

Tasks

Submissions (a256)