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답안 #1085931

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1085931 2024-09-09T06:24:34 Z Bananabread Passport (JOI23_passport) C++17
54 / 100
 582 ms 131712 KB 
#include<bits/stdc++.h>
#define ll long long
#define ntr "\n"
#define mod (ll)(1e9+7)
#define taskname "temp"
#define frep freopen(taskname".inp","r",stdin); freopen(taskname".out","w",stdout);
using namespace std;
vector<pair<ll,ll>> adj[800100];
ll id[200010];
void build(ll pos,ll l,ll r){
    if(l==r){
        id[l]=pos;
    }
    else{
        ll mid=(l+r)/2;
        build(2*pos,l,mid);
        build(2*pos+1,mid+1,r);
        adj[2*pos].push_back({pos,0});
        adj[2*pos+1].push_back({pos,0});
    }
}
void add(ll pos,ll l,ll r,ll u,ll v,ll x){
    if(v<l||u>r) return ;
    else if(u<=l&&r<=v){
        adj[pos].push_back({id[x],1});
    }
    else{
        ll mid=(l+r)/2;
        add(2*pos,l,mid,u,v,x);
        add(2*pos+1,mid+1,r,u,v,x);
    }
}
ll n,q;
ll ans[800010];
ll dist[800010];
ll vis[800010];
ll a[200010];
ll b[200010];
ll l[200001];
ll r[200001];
void proc(ll st){
    fill(dist+1,dist+4*n+100,1e18);
    fill(vis+1,vis+4*n+100,0);
    deque<ll> dq;
    dq.push_front(id[st]);
    dist[id[st]]=0;
    while(!dq.empty()){
        ll u=dq.front();
        dq.pop_front();
        if(vis[u]) continue;
        for(auto [v,w]:adj[u]){
            if(dist[v]>dist[u]+w){
                dist[v]=dist[u]+w;
                if(w==0){
                    dq.push_front(v);
                }
                else{
                    dq.push_back(v);
                }
            }
        }
    }
    dist[id[st]]=1;
    for(int i=1;i<=n;i++){
        if(st==1) a[i]=dist[id[i]];
        if(st==n) b[i]=dist[id[i]];
    }
}
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    //frep;
    cin>>n;
    build(1,1,n);
    for(int i=1;i<=n;i++){
        cin>>l[i]>>r[i];
        add(1,1,n,l[i],r[i],i);
    }
    proc(1);
    proc(n);
//    for(int i=1;i<=n;i++){
//        cout<<a[i]<<' ';
//    }
//    cout<<ntr;
//    for(int i=1;i<=n;i++){
//        cout<<b[i]<<' ';
//    }
//    cout<<ntr;
//    for(int i=1;i<=n+1;i++){
//        cout<<id[i]<<' ';
//    }
//    cout<<ntr;
//    cout<<ntr;
//    for(auto [v,w]:adj[id[n+1]]){
//        cout<<id[n+1]<<' '<<v<<' '<<w<<ntr;
//    }
    priority_queue<pair<ll,ll>> pq;
    fill(dist+1,dist+4*n+10,1e18);
    fill(vis+1,vis+4*n+10,0);
    for(int i=1;i<=n;i++){
        dist[id[i]]=a[i]+b[i];
        if(dist[id[i]]<=1e18){
            pq.push({-dist[id[i]],id[i]});
        }
    }
    while(!pq.empty()){
        ll u=pq.top().second;
        pq.pop();
        if(vis[u]) continue;
        vis[u]=1;
        for(auto [v,w]:adj[u]){
            if(dist[v]>dist[u]+w){
                dist[v]=dist[u]+w;
                pq.push({-dist[v],v});
            }
        }
    }
    for(int i=1;i<=n;i++){
        ans[i]=dist[id[i]];
    }
    cin>>q;
    for(int i=1;i<=q;i++){
        ll x;
        cin>>x;
        cout<<(ans[x]<1e18 ? ans[x]-1 : -1)<<ntr;
    }
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 19288 KB Output is correct
2 Correct 9 ms 19352 KB Output is correct
3 Correct 9 ms 19292 KB Output is correct
4 Correct 555 ms 117704 KB Output is correct
5 Correct 256 ms 76988 KB Output is correct
6 Correct 165 ms 67000 KB Output is correct
7 Correct 107 ms 62140 KB Output is correct
8 Correct 112 ms 72884 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 19308 KB Output is correct
2 Correct 9 ms 19292 KB Output is correct
3 Correct 9 ms 19292 KB Output is correct
4 Correct 8 ms 19084 KB Output is correct
5 Correct 8 ms 19292 KB Output is correct
6 Correct 8 ms 19292 KB Output is correct
7 Correct 8 ms 19292 KB Output is correct
8 Correct 11 ms 19292 KB Output is correct
9 Correct 8 ms 19176 KB Output is correct
10 Correct 9 ms 19104 KB Output is correct
11 Correct 11 ms 19196 KB Output is correct
12 Correct 9 ms 19292 KB Output is correct
13 Correct 9 ms 19292 KB Output is correct
14 Correct 9 ms 19288 KB Output is correct
15 Correct 9 ms 19292 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 19308 KB Output is correct
2 Correct 9 ms 19292 KB Output is correct
3 Correct 9 ms 19292 KB Output is correct
4 Correct 8 ms 19084 KB Output is correct
5 Correct 8 ms 19292 KB Output is correct
6 Correct 8 ms 19292 KB Output is correct
7 Correct 8 ms 19292 KB Output is correct
8 Correct 11 ms 19292 KB Output is correct
9 Correct 8 ms 19176 KB Output is correct
10 Correct 9 ms 19104 KB Output is correct
11 Correct 11 ms 19196 KB Output is correct
12 Correct 9 ms 19292 KB Output is correct
13 Correct 9 ms 19292 KB Output is correct
14 Correct 9 ms 19288 KB Output is correct
15 Correct 9 ms 19292 KB Output is correct
16 Correct 12 ms 20060 KB Output is correct
17 Correct 11 ms 19892 KB Output is correct
18 Correct 11 ms 20568 KB Output is correct
19 Correct 11 ms 20316 KB Output is correct
20 Correct 10 ms 19804 KB Output is correct
21 Correct 10 ms 19880 KB Output is correct
22 Correct 9 ms 19800 KB Output is correct
23 Correct 11 ms 20116 KB Output is correct
24 Correct 10 ms 20036 KB Output is correct

Subtask #4
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 9 ms 19308 KB Output is correct
2 Correct 9 ms 19292 KB Output is correct
3 Correct 9 ms 19292 KB Output is correct
4 Correct 8 ms 19084 KB Output is correct
5 Correct 8 ms 19292 KB Output is correct
6 Correct 8 ms 19292 KB Output is correct
7 Correct 8 ms 19292 KB Output is correct
8 Correct 11 ms 19292 KB Output is correct
9 Correct 8 ms 19176 KB Output is correct
10 Correct 9 ms 19104 KB Output is correct
11 Correct 11 ms 19196 KB Output is correct
12 Correct 9 ms 19292 KB Output is correct
13 Correct 9 ms 19292 KB Output is correct
14 Correct 9 ms 19288 KB Output is correct
15 Correct 9 ms 19292 KB Output is correct
16 Correct 12 ms 20060 KB Output is correct
17 Correct 11 ms 19892 KB Output is correct
18 Correct 11 ms 20568 KB Output is correct
19 Correct 11 ms 20316 KB Output is correct
20 Correct 10 ms 19804 KB Output is correct
21 Correct 10 ms 19880 KB Output is correct
22 Correct 9 ms 19800 KB Output is correct
23 Correct 11 ms 20116 KB Output is correct
24 Correct 10 ms 20036 KB Output is correct
25 Correct 8 ms 19288 KB Output is correct
26 Correct 8 ms 19292 KB Output is correct
27 Correct 14 ms 20316 KB Output is correct
28 Correct 12 ms 20060 KB Output is correct
29 Correct 10 ms 19804 KB Output is correct
30 Correct 12 ms 20036 KB Output is correct
31 Correct 11 ms 19988 KB Output is correct

Subtask #5
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 19288 KB Output is correct
2 Correct 9 ms 19352 KB Output is correct
3 Correct 9 ms 19292 KB Output is correct
4 Correct 555 ms 117704 KB Output is correct
5 Correct 256 ms 76988 KB Output is correct
6 Correct 165 ms 67000 KB Output is correct
7 Correct 107 ms 62140 KB Output is correct
8 Correct 112 ms 72884 KB Output is correct
9 Correct 9 ms 19308 KB Output is correct
10 Correct 9 ms 19292 KB Output is correct
11 Correct 9 ms 19292 KB Output is correct
12 Correct 8 ms 19084 KB Output is correct
13 Correct 8 ms 19292 KB Output is correct
14 Correct 8 ms 19292 KB Output is correct
15 Correct 8 ms 19292 KB Output is correct
16 Correct 11 ms 19292 KB Output is correct
17 Correct 8 ms 19176 KB Output is correct
18 Correct 9 ms 19104 KB Output is correct
19 Correct 11 ms 19196 KB Output is correct
20 Correct 9 ms 19292 KB Output is correct
21 Correct 9 ms 19292 KB Output is correct
22 Correct 9 ms 19288 KB Output is correct
23 Correct 9 ms 19292 KB Output is correct
24 Correct 12 ms 20060 KB Output is correct
25 Correct 11 ms 19892 KB Output is correct
26 Correct 11 ms 20568 KB Output is correct
27 Correct 11 ms 20316 KB Output is correct
28 Correct 10 ms 19804 KB Output is correct
29 Correct 10 ms 19880 KB Output is correct
30 Correct 9 ms 19800 KB Output is correct
31 Correct 11 ms 20116 KB Output is correct
32 Correct 10 ms 20036 KB Output is correct
33 Correct 8 ms 19288 KB Output is correct
34 Correct 8 ms 19292 KB Output is correct
35 Correct 14 ms 20316 KB Output is correct
36 Correct 12 ms 20060 KB Output is correct
37 Correct 10 ms 19804 KB Output is correct
38 Correct 12 ms 20036 KB Output is correct
39 Correct 11 ms 19988 KB Output is correct
40 Correct 582 ms 121788 KB Output is correct
41 Correct 301 ms 80156 KB Output is correct
42 Correct 400 ms 131712 KB Output is correct
43 Incorrect 224 ms 128252 KB Output isn't correct
44 Halted 0 ms 0 KB -