답안 #928711

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
928711	2024-02-17T02:35:06 Z	Darren0724	Passport (JOI23_passport)	C++17	100 / 100	1000 ms	127008 KB

passport

#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
//#define endl '\n'
const int N=200005;
const int M=N*5;
const int INF=1e8;
int n;
vector dis(3,vector(M,INF));
vector<pair<int,int>> adj[M],adj1[M];
vector<int> rec(N);
void link(int a,int b,int c){
    adj[b].push_back({a,c});
}
void build(int id=1,int l=1,int r=n+1){
    if(r-l==1)return link(n+id,l,1);
    int m=(l+r)>>1;
    link(n+id,n+id*2,0);
    link(n+id,n+id*2+1,0);
    build(id<<1,l,m);
    build(id<<1|1,m,r);
}
void connect(int id,int l,int r,int a,int b,int x){
    if(a<=l&&b>=r)return link(x,n+id,0);
    if(r-l==1)return;
    int m=(l+r)>>1;
    if(a<m)connect(id<<1,l,m,a,b,x);
    if(b>m)connect(id<<1|1,m,r,a,b,x);
}
void dijk(vector<int> &dis){
    priority_queue<pair<int,int>> pq;
    for(int i=1;i<=n;i++){
        pq.push({-dis[i],i});
    }
    while(pq.size()){
        auto [a,b]=pq.top();
        pq.pop();
        a=-a;
        if(dis[b]!=a)continue;
        for(auto [c,d]:adj[b]){
            int cost=dis[b]+d;
            if(cost<dis[c]){
                dis[c]=cost;
                pq.push({-cost,c});
            }
        }
    }
}
int32_t main() {
    LCBorz;
    cin>>n;
    build();
    vector<int> b(N),c(N);
    for(int i=1;i<=n;i++){
        cin>>b[i]>>c[i];
        connect(1,1,n+1,b[i],c[i]+1,i);
    }
    dis[0][1]=dis[1][n]=0;
    dijk(dis[0]);
    dijk(dis[1]);
    for(int i=1;i<=n;i++){
        dis[2][i]=dis[0][i]+dis[1][i]-(1<i&&i<n);
    }
    dijk(dis[2]);
    int q;cin>>q;
    for(int i=0;i<q;i++){
        int p;cin>>p;
        cout<<(dis[2][p]>=INF?-1:dis[2][p])<<endl;
    }

    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	61464 KB	Output is correct
2	Correct	17 ms	61464 KB	Output is correct
3	Correct	18 ms	61460 KB	Output is correct
4	Correct	728 ms	119668 KB	Output is correct
5	Correct	409 ms	95336 KB	Output is correct
6	Correct	307 ms	89864 KB	Output is correct
7	Correct	365 ms	90244 KB	Output is correct
8	Correct	180 ms	83152 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	61460 KB	Output is correct
2	Correct	17 ms	61464 KB	Output is correct
3	Correct	17 ms	61440 KB	Output is correct
4	Correct	19 ms	61508 KB	Output is correct
5	Correct	19 ms	61388 KB	Output is correct
6	Correct	17 ms	61464 KB	Output is correct
7	Correct	17 ms	61544 KB	Output is correct
8	Correct	17 ms	61464 KB	Output is correct
9	Correct	20 ms	61720 KB	Output is correct
10	Correct	16 ms	61460 KB	Output is correct
11	Correct	17 ms	61464 KB	Output is correct
12	Correct	17 ms	61460 KB	Output is correct
13	Correct	18 ms	61464 KB	Output is correct
14	Correct	17 ms	61464 KB	Output is correct
15	Correct	17 ms	61464 KB	Output is correct

Subtask #3
24.0 / 24.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	61460 KB	Output is correct
2	Correct	17 ms	61464 KB	Output is correct
3	Correct	17 ms	61440 KB	Output is correct
4	Correct	19 ms	61508 KB	Output is correct
5	Correct	19 ms	61388 KB	Output is correct
6	Correct	17 ms	61464 KB	Output is correct
7	Correct	17 ms	61544 KB	Output is correct
8	Correct	17 ms	61464 KB	Output is correct
9	Correct	20 ms	61720 KB	Output is correct
10	Correct	16 ms	61460 KB	Output is correct
11	Correct	17 ms	61464 KB	Output is correct
12	Correct	17 ms	61460 KB	Output is correct
13	Correct	18 ms	61464 KB	Output is correct
14	Correct	17 ms	61464 KB	Output is correct
15	Correct	17 ms	61464 KB	Output is correct
16	Correct	21 ms	61976 KB	Output is correct
17	Correct	21 ms	61976 KB	Output is correct
18	Correct	23 ms	62204 KB	Output is correct
19	Correct	21 ms	62228 KB	Output is correct
20	Correct	22 ms	61708 KB	Output is correct
21	Correct	19 ms	61716 KB	Output is correct
22	Correct	20 ms	61864 KB	Output is correct
23	Correct	21 ms	61976 KB	Output is correct
24	Correct	21 ms	61976 KB	Output is correct

Subtask #4
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	16 ms	61460 KB	Output is correct
2	Correct	17 ms	61464 KB	Output is correct
3	Correct	17 ms	61440 KB	Output is correct
4	Correct	19 ms	61508 KB	Output is correct
5	Correct	19 ms	61388 KB	Output is correct
6	Correct	17 ms	61464 KB	Output is correct
7	Correct	17 ms	61544 KB	Output is correct
8	Correct	17 ms	61464 KB	Output is correct
9	Correct	20 ms	61720 KB	Output is correct
10	Correct	16 ms	61460 KB	Output is correct
11	Correct	17 ms	61464 KB	Output is correct
12	Correct	17 ms	61460 KB	Output is correct
13	Correct	18 ms	61464 KB	Output is correct
14	Correct	17 ms	61464 KB	Output is correct
15	Correct	17 ms	61464 KB	Output is correct
16	Correct	21 ms	61976 KB	Output is correct
17	Correct	21 ms	61976 KB	Output is correct
18	Correct	23 ms	62204 KB	Output is correct
19	Correct	21 ms	62228 KB	Output is correct
20	Correct	22 ms	61708 KB	Output is correct
21	Correct	19 ms	61716 KB	Output is correct
22	Correct	20 ms	61864 KB	Output is correct
23	Correct	21 ms	61976 KB	Output is correct
24	Correct	21 ms	61976 KB	Output is correct
25	Correct	17 ms	61464 KB	Output is correct
26	Correct	16 ms	61544 KB	Output is correct
27	Correct	25 ms	61976 KB	Output is correct
28	Correct	25 ms	62224 KB	Output is correct
29	Correct	24 ms	61720 KB	Output is correct
30	Correct	22 ms	61720 KB	Output is correct
31	Correct	23 ms	61716 KB	Output is correct

Subtask #5
46.0 / 46.0

#	결과	실행 시간	메모리	Grader output
1	Correct	17 ms	61464 KB	Output is correct
2	Correct	17 ms	61464 KB	Output is correct
3	Correct	18 ms	61460 KB	Output is correct
4	Correct	728 ms	119668 KB	Output is correct
5	Correct	409 ms	95336 KB	Output is correct
6	Correct	307 ms	89864 KB	Output is correct
7	Correct	365 ms	90244 KB	Output is correct
8	Correct	180 ms	83152 KB	Output is correct
9	Correct	16 ms	61460 KB	Output is correct
10	Correct	17 ms	61464 KB	Output is correct
11	Correct	17 ms	61440 KB	Output is correct
12	Correct	19 ms	61508 KB	Output is correct
13	Correct	19 ms	61388 KB	Output is correct
14	Correct	17 ms	61464 KB	Output is correct
15	Correct	17 ms	61544 KB	Output is correct
16	Correct	17 ms	61464 KB	Output is correct
17	Correct	20 ms	61720 KB	Output is correct
18	Correct	16 ms	61460 KB	Output is correct
19	Correct	17 ms	61464 KB	Output is correct
20	Correct	17 ms	61460 KB	Output is correct
21	Correct	18 ms	61464 KB	Output is correct
22	Correct	17 ms	61464 KB	Output is correct
23	Correct	17 ms	61464 KB	Output is correct
24	Correct	21 ms	61976 KB	Output is correct
25	Correct	21 ms	61976 KB	Output is correct
26	Correct	23 ms	62204 KB	Output is correct
27	Correct	21 ms	62228 KB	Output is correct
28	Correct	22 ms	61708 KB	Output is correct
29	Correct	19 ms	61716 KB	Output is correct
30	Correct	20 ms	61864 KB	Output is correct
31	Correct	21 ms	61976 KB	Output is correct
32	Correct	21 ms	61976 KB	Output is correct
33	Correct	17 ms	61464 KB	Output is correct
34	Correct	16 ms	61544 KB	Output is correct
35	Correct	25 ms	61976 KB	Output is correct
36	Correct	25 ms	62224 KB	Output is correct
37	Correct	24 ms	61720 KB	Output is correct
38	Correct	22 ms	61720 KB	Output is correct
39	Correct	23 ms	61716 KB	Output is correct
40	Correct	1000 ms	119436 KB	Output is correct
41	Correct	649 ms	98084 KB	Output is correct
42	Correct	753 ms	124516 KB	Output is correct
43	Correct	733 ms	127008 KB	Output is correct
44	Correct	548 ms	92172 KB	Output is correct
45	Correct	551 ms	99592 KB	Output is correct
46	Correct	267 ms	74904 KB	Output is correct
47	Correct	742 ms	103044 KB	Output is correct
48	Correct	585 ms	110832 KB	Output is correct

답안 #928711

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