Submission #577374

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
577374	2022-06-14T16:08:33 Z	handlename	Game (APIO22_game)	C++17	12 / 100	9 ms	14460 KB

game

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
const int MOD=1e9+7;
int n,k;
vector<int> adj[300001],rev[300001];
int l[300001],r[300001];
//leftmost special guy node i can reach
//rightmost special guy who can reach node i
//cycle iff exists l[i]<=r[i]
void init(int N,int K){
	n=N;
	k=K;
	for (int i=1;i<=k;i++){
		if (i<k){
			adj[i].pb(i+1);
			rev[i+1].pb(i);
		}
		l[i]=i;
		r[i]=i;
	}
	for (int i=k+1;i<=n;i++){
		l[i]=n+1;
		r[i]=0;
	}
}
bool vis[300001];
void dfs0(int x,int val){
	if (vis[x]) return;
	vis[x]=true;
	l[x]=min(l[x],val);
	for (auto i:rev[x]) dfs0(i,val);
}
void dfs1(int x,int val){
	if (vis[x]) return;
	vis[x]=true;
	r[x]=max(r[x],val);
	for (auto i:adj[x]) dfs1(i,val);
}
int add_teleporter(int u,int v){
	u++;
	v++;
	adj[u].pb(v);
	rev[v].pb(u);
	if (u==v) return 1;
	if (true){
		for (int i=1;i<=n;i++) vis[i]=false;
		dfs0(u,l[v]);
		for (int i=1;i<=k;i++){
			if (l[i]<r[i]) return 1;
		}
		for (int i=k+1;i<=n;i++){
			if (l[i]<=r[i]) return 1;
		}
	}
	if (true){
		for (int i=1;i<=n;i++) vis[i]=false;
		dfs1(v,r[u]);
		for (int i=1;i<=k;i++){
			if (l[i]<r[i]) return 1;
		}
		for (int i=k+1;i<=n;i++){
			if (l[i]<=r[i]) return 1;
		}
	}
	return 0;
}

Subtask #1

2.0 / 2.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14288 KB	Output is correct
2	Correct	8 ms	14360 KB	Output is correct
3	Correct	8 ms	14420 KB	Output is correct
4	Correct	8 ms	14288 KB	Output is correct
5	Correct	7 ms	14412 KB	Output is correct
6	Correct	8 ms	14328 KB	Output is correct
7	Correct	8 ms	14416 KB	Output is correct

Subtask #2

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14288 KB	Output is correct
2	Correct	8 ms	14360 KB	Output is correct
3	Correct	8 ms	14420 KB	Output is correct
4	Correct	8 ms	14288 KB	Output is correct
5	Correct	7 ms	14412 KB	Output is correct
6	Correct	8 ms	14328 KB	Output is correct
7	Correct	8 ms	14416 KB	Output is correct
8	Correct	7 ms	14288 KB	Output is correct
9	Correct	7 ms	14288 KB	Output is correct
10	Correct	7 ms	14288 KB	Output is correct
11	Correct	8 ms	14288 KB	Output is correct
12	Correct	7 ms	14288 KB	Output is correct
13	Correct	7 ms	14288 KB	Output is correct
14	Correct	8 ms	14340 KB	Output is correct
15	Correct	8 ms	14344 KB	Output is correct
16	Correct	8 ms	14288 KB	Output is correct
17	Correct	8 ms	14416 KB	Output is correct
18	Correct	8 ms	14416 KB	Output is correct
19	Correct	9 ms	14460 KB	Output is correct

Subtask #3

0.0 / 18.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14288 KB	Output is correct
2	Correct	8 ms	14360 KB	Output is correct
3	Correct	8 ms	14420 KB	Output is correct
4	Correct	8 ms	14288 KB	Output is correct
5	Correct	7 ms	14412 KB	Output is correct
6	Correct	8 ms	14328 KB	Output is correct
7	Correct	8 ms	14416 KB	Output is correct
8	Correct	7 ms	14288 KB	Output is correct
9	Correct	7 ms	14288 KB	Output is correct
10	Correct	7 ms	14288 KB	Output is correct
11	Correct	8 ms	14288 KB	Output is correct
12	Correct	7 ms	14288 KB	Output is correct
13	Correct	7 ms	14288 KB	Output is correct
14	Correct	8 ms	14340 KB	Output is correct
15	Correct	8 ms	14344 KB	Output is correct
16	Correct	8 ms	14288 KB	Output is correct
17	Correct	8 ms	14416 KB	Output is correct
18	Correct	8 ms	14416 KB	Output is correct
19	Correct	9 ms	14460 KB	Output is correct
20	Correct	9 ms	14372 KB	Output is correct
21	Correct	7 ms	14416 KB	Output is correct
22	Correct	9 ms	14416 KB	Output is correct
23	Incorrect	8 ms	14424 KB	Wrong Answer[1]
24	Halted	0 ms	0 KB	-

Subtask #4

0.0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14288 KB	Output is correct
2	Correct	8 ms	14360 KB	Output is correct
3	Correct	8 ms	14420 KB	Output is correct
4	Correct	8 ms	14288 KB	Output is correct
5	Correct	7 ms	14412 KB	Output is correct
6	Correct	8 ms	14328 KB	Output is correct
7	Correct	8 ms	14416 KB	Output is correct
8	Correct	7 ms	14288 KB	Output is correct
9	Correct	7 ms	14288 KB	Output is correct
10	Correct	7 ms	14288 KB	Output is correct
11	Correct	8 ms	14288 KB	Output is correct
12	Correct	7 ms	14288 KB	Output is correct
13	Correct	7 ms	14288 KB	Output is correct
14	Correct	8 ms	14340 KB	Output is correct
15	Correct	8 ms	14344 KB	Output is correct
16	Correct	8 ms	14288 KB	Output is correct
17	Correct	8 ms	14416 KB	Output is correct
18	Correct	8 ms	14416 KB	Output is correct
19	Correct	9 ms	14460 KB	Output is correct
20	Correct	9 ms	14372 KB	Output is correct
21	Correct	7 ms	14416 KB	Output is correct
22	Correct	9 ms	14416 KB	Output is correct
23	Incorrect	8 ms	14424 KB	Wrong Answer[1]
24	Halted	0 ms	0 KB	-

Subtask #5

0.0 / 40.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	14288 KB	Output is correct
2	Correct	8 ms	14360 KB	Output is correct
3	Correct	8 ms	14420 KB	Output is correct
4	Correct	8 ms	14288 KB	Output is correct
5	Correct	7 ms	14412 KB	Output is correct
6	Correct	8 ms	14328 KB	Output is correct
7	Correct	8 ms	14416 KB	Output is correct
8	Correct	7 ms	14288 KB	Output is correct
9	Correct	7 ms	14288 KB	Output is correct
10	Correct	7 ms	14288 KB	Output is correct
11	Correct	8 ms	14288 KB	Output is correct
12	Correct	7 ms	14288 KB	Output is correct
13	Correct	7 ms	14288 KB	Output is correct
14	Correct	8 ms	14340 KB	Output is correct
15	Correct	8 ms	14344 KB	Output is correct
16	Correct	8 ms	14288 KB	Output is correct
17	Correct	8 ms	14416 KB	Output is correct
18	Correct	8 ms	14416 KB	Output is correct
19	Correct	9 ms	14460 KB	Output is correct
20	Correct	9 ms	14372 KB	Output is correct
21	Correct	7 ms	14416 KB	Output is correct
22	Correct	9 ms	14416 KB	Output is correct
23	Incorrect	8 ms	14424 KB	Wrong Answer[1]
24	Halted	0 ms	0 KB	-