Submission #970658

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
970658	2024-04-27T03:11:00 Z	PenguinsAreCute	Passport (JOI23_passport)	C++17	100 / 100	932 ms	121164 KB

passport

#include <bits/stdc++.h>
using namespace std;
#define int long long
//#define hello cout<<"line "<<__LINE__<<endl;
#define hello 69
using ii = pair<int,int>;
vector<ii> adj[400005];
void bfs(int s, int dist[]) {
	dist[s] = 0;
	priority_queue<ii,vector<ii>,greater<ii>> pq;
	for(pq.push({0,s});pq.size();) {
		auto [d,x] = pq.top(); pq.pop();
		if(d!=dist[x]) continue;
		for(auto [i,di]: adj[x]) if(dist[i]>d+di) {
			dist[i] = d+di;
			pq.push({d+di,i});
		}
	}
}
main() {
	int n; cin >> n;
	int l[n], r[n]; for(int i=0;i<n;i++) {cin>>l[i]>>r[i]; l[i]--;}
	for(int i=1;i<n;i++) {adj[i<<1].push_back({i,0}); adj[i<<1|1].push_back({i,0});}
	for(int i=0;i<n;i++) {
		for(int ll=l[i]+n,rr=r[i]+n;ll<rr;ll>>=1,rr>>=1) {
			if(ll&1) adj[ll++].push_back({i+n,1});
			if(rr&1) adj[--rr].push_back({i+n,1});
		}
	}
	int dista[2*n], distb[2*n], distt[2*n+5];
	fill(dista,dista+2*n,12102010);
	fill(distb,distb+2*n,12102010);
	fill(distt,distt+2*n+5,12102010);
	bfs(n,dista);
	bfs(2*n-1,distb);
	//for(int i=1;i<2*n;i++) printf("dista[%lld]=%lld\n",i,dista[i]);
	//for(int i=1;i<2*n;i++) printf("distb[%lld]=%lld\n",i,distb[i]);
	for(int i=0;i<n;i++) adj[2*n].push_back({i+n,max(dista[i+n],1LL)+max(distb[i+n],1LL)});
	bfs(2*n,distt);
	int q; cin >> q; for(int x;q--;) {
		cin >> x;
		cout << (distt[x+n-1]==12102010?-1:distt[x+n-1]-1) << "\n";
	}
}

Compilation message

passport.cpp:20:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   20 | main() {
      | ^~~~

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	9820 KB	Output is correct
2	Correct	2 ms	9820 KB	Output is correct
3	Correct	2 ms	9820 KB	Output is correct
4	Correct	637 ms	105848 KB	Output is correct
5	Correct	313 ms	65224 KB	Output is correct
6	Correct	187 ms	54756 KB	Output is correct
7	Correct	299 ms	94208 KB	Output is correct
8	Correct	174 ms	84780 KB	Output is correct

Subtask #2
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	9820 KB	Output is correct
2	Correct	2 ms	9820 KB	Output is correct
3	Correct	3 ms	9820 KB	Output is correct
4	Correct	3 ms	9820 KB	Output is correct
5	Correct	2 ms	9820 KB	Output is correct
6	Correct	3 ms	9820 KB	Output is correct
7	Correct	2 ms	10072 KB	Output is correct
8	Correct	2 ms	9820 KB	Output is correct
9	Correct	3 ms	9820 KB	Output is correct
10	Correct	2 ms	9828 KB	Output is correct
11	Correct	3 ms	9820 KB	Output is correct
12	Correct	3 ms	9832 KB	Output is correct
13	Correct	3 ms	9972 KB	Output is correct
14	Correct	3 ms	9820 KB	Output is correct
15	Correct	3 ms	9820 KB	Output is correct

Subtask #3
24.0 / 24.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	9820 KB	Output is correct
2	Correct	2 ms	9820 KB	Output is correct
3	Correct	3 ms	9820 KB	Output is correct
4	Correct	3 ms	9820 KB	Output is correct
5	Correct	2 ms	9820 KB	Output is correct
6	Correct	3 ms	9820 KB	Output is correct
7	Correct	2 ms	10072 KB	Output is correct
8	Correct	2 ms	9820 KB	Output is correct
9	Correct	3 ms	9820 KB	Output is correct
10	Correct	2 ms	9828 KB	Output is correct
11	Correct	3 ms	9820 KB	Output is correct
12	Correct	3 ms	9832 KB	Output is correct
13	Correct	3 ms	9972 KB	Output is correct
14	Correct	3 ms	9820 KB	Output is correct
15	Correct	3 ms	9820 KB	Output is correct
16	Correct	6 ms	10612 KB	Output is correct
17	Correct	6 ms	10332 KB	Output is correct
18	Correct	6 ms	10844 KB	Output is correct
19	Correct	7 ms	10864 KB	Output is correct
20	Correct	5 ms	10332 KB	Output is correct
21	Correct	5 ms	10332 KB	Output is correct
22	Correct	4 ms	10588 KB	Output is correct
23	Correct	5 ms	10840 KB	Output is correct
24	Correct	4 ms	10600 KB	Output is correct

Subtask #4
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	9820 KB	Output is correct
2	Correct	2 ms	9820 KB	Output is correct
3	Correct	3 ms	9820 KB	Output is correct
4	Correct	3 ms	9820 KB	Output is correct
5	Correct	2 ms	9820 KB	Output is correct
6	Correct	3 ms	9820 KB	Output is correct
7	Correct	2 ms	10072 KB	Output is correct
8	Correct	2 ms	9820 KB	Output is correct
9	Correct	3 ms	9820 KB	Output is correct
10	Correct	2 ms	9828 KB	Output is correct
11	Correct	3 ms	9820 KB	Output is correct
12	Correct	3 ms	9832 KB	Output is correct
13	Correct	3 ms	9972 KB	Output is correct
14	Correct	3 ms	9820 KB	Output is correct
15	Correct	3 ms	9820 KB	Output is correct
16	Correct	6 ms	10612 KB	Output is correct
17	Correct	6 ms	10332 KB	Output is correct
18	Correct	6 ms	10844 KB	Output is correct
19	Correct	7 ms	10864 KB	Output is correct
20	Correct	5 ms	10332 KB	Output is correct
21	Correct	5 ms	10332 KB	Output is correct
22	Correct	4 ms	10588 KB	Output is correct
23	Correct	5 ms	10840 KB	Output is correct
24	Correct	4 ms	10600 KB	Output is correct
25	Correct	3 ms	9972 KB	Output is correct
26	Correct	3 ms	9708 KB	Output is correct
27	Correct	9 ms	10588 KB	Output is correct
28	Correct	9 ms	10332 KB	Output is correct
29	Correct	8 ms	10332 KB	Output is correct
30	Correct	8 ms	10332 KB	Output is correct
31	Correct	9 ms	10492 KB	Output is correct

Subtask #5
46.0 / 46.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	9820 KB	Output is correct
2	Correct	2 ms	9820 KB	Output is correct
3	Correct	2 ms	9820 KB	Output is correct
4	Correct	637 ms	105848 KB	Output is correct
5	Correct	313 ms	65224 KB	Output is correct
6	Correct	187 ms	54756 KB	Output is correct
7	Correct	299 ms	94208 KB	Output is correct
8	Correct	174 ms	84780 KB	Output is correct
9	Correct	3 ms	9820 KB	Output is correct
10	Correct	2 ms	9820 KB	Output is correct
11	Correct	3 ms	9820 KB	Output is correct
12	Correct	3 ms	9820 KB	Output is correct
13	Correct	2 ms	9820 KB	Output is correct
14	Correct	3 ms	9820 KB	Output is correct
15	Correct	2 ms	10072 KB	Output is correct
16	Correct	2 ms	9820 KB	Output is correct
17	Correct	3 ms	9820 KB	Output is correct
18	Correct	2 ms	9828 KB	Output is correct
19	Correct	3 ms	9820 KB	Output is correct
20	Correct	3 ms	9832 KB	Output is correct
21	Correct	3 ms	9972 KB	Output is correct
22	Correct	3 ms	9820 KB	Output is correct
23	Correct	3 ms	9820 KB	Output is correct
24	Correct	6 ms	10612 KB	Output is correct
25	Correct	6 ms	10332 KB	Output is correct
26	Correct	6 ms	10844 KB	Output is correct
27	Correct	7 ms	10864 KB	Output is correct
28	Correct	5 ms	10332 KB	Output is correct
29	Correct	5 ms	10332 KB	Output is correct
30	Correct	4 ms	10588 KB	Output is correct
31	Correct	5 ms	10840 KB	Output is correct
32	Correct	4 ms	10600 KB	Output is correct
33	Correct	3 ms	9972 KB	Output is correct
34	Correct	3 ms	9708 KB	Output is correct
35	Correct	9 ms	10588 KB	Output is correct
36	Correct	9 ms	10332 KB	Output is correct
37	Correct	8 ms	10332 KB	Output is correct
38	Correct	8 ms	10332 KB	Output is correct
39	Correct	9 ms	10492 KB	Output is correct
40	Correct	932 ms	106620 KB	Output is correct
41	Correct	590 ms	65224 KB	Output is correct
42	Correct	715 ms	120608 KB	Output is correct
43	Correct	686 ms	121164 KB	Output is correct
44	Correct	464 ms	56132 KB	Output is correct
45	Correct	509 ms	65076 KB	Output is correct
46	Correct	228 ms	34080 KB	Output is correct
47	Correct	687 ms	88456 KB	Output is correct
48	Correct	556 ms	86216 KB	Output is correct

Submission #970658

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 16.0 / 16.0

Subtask #3 24.0 / 24.0

Subtask #4 8.0 / 8.0

Subtask #5 46.0 / 46.0

Subtask #1
6.0 / 6.0

Subtask #2
16.0 / 16.0

Subtask #3
24.0 / 24.0

Subtask #4
8.0 / 8.0

Subtask #5
46.0 / 46.0