oj.uz

답안 #915962

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
915962 2024-01-25T03:15:51 Z imarn Passport (JOI23_passport) C++14
46 / 100
 824 ms 95880 KB 
#include<bits/stdc++.h>
#define ld long double
#define pii pair<int,int>
#define pll pair<ll,ll>
#define all(x) x.begin(),x.end()
#define pb push_back
#define f first
#define s second
#define vi vector<ll>
#define vvi vector<vi>
#define vpii vector<pii>
#define ll long long
#define sz(x) (int)x.size()
using namespace std;
const int N=2e5+5;
vector<pii>g[6*N];
int n;
void build(int i,int l,int r){
    if(l==r)return void(g[l].pb({i+n,0}));
    int m=(l+r)>>1;build(2*i,l,m);build(2*i+1,m+1,r);
    g[2*i+n].pb({i+n,0});g[2*i+1+n].pb({i+n,0});
}
void upd(int i,int l,int r,int tl,int tr,int id){
    if(r<tl||l>tr)return;
    if(r<=tr&&l>=tl){
        g[i+n].pb({id,1});return;
    }int m=(l+r)>>1;
    upd(2*i,l,m,tl,tr,id);upd(2*i+1,m+1,r,tl,tr,id);
}
int d[3][6*N];
bool vis[6*N]{0};
void distar(int st,int i){
    for(int v=0;v<6*N;v++)d[i][v]=1e9;
    d[i][st]=0;priority_queue<pii,vector<pii>,greater<pii>>pq;
    pq.push({0,st});
    while(!pq.empty()){
        auto u=pq.top();pq.pop();
        if(vis[u.s])continue;
        vis[u.s]=1;
        for(auto v:g[u.s]){
            if(d[i][v.f]>u.f+v.s)d[i][v.f]=u.f+v.s,pq.push({d[i][v.f],v.f});
        }
    }
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    cin>>n;build(1,1,n);
    for(int i=1;i<=n;i++){
        int l,r;cin>>l>>r;upd(1,1,n,l,r,i);
    }distar(1,0);memset(vis,0,sizeof vis);distar(n,1);memset(vis,0,sizeof vis);
    for(int i=0;i<6*N;i++)d[2][i]=1e9;priority_queue<pii,vector<pii>,greater<pii>>pq;
    for(int i=1;i<=n;i++)d[2][i]=d[0][i]+d[1][i]-(i>1&&i<n),pq.push({d[2][i],i});
    while(!pq.empty()){
        auto u=pq.top();pq.pop();
        if(vis[u.s])continue;
        vis[u.s]=1;
        for(auto v:g[u.s]){
            if(d[2][v.f]>u.f+v.s)d[2][v.f]=u.f+v.s,pq.push({d[2][v.f],v.f});
        }
    }int q;cin>>q;
    while(q--){
        int x;cin>>x;cout<<(d[2][x]==1e9?-1:d[2][x])<<'\n';
    }
}

Compilation message

passport.cpp: In function 'int main()':
passport.cpp:51:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   51 |     for(int i=0;i<6*N;i++)d[2][i]=1e9;priority_queue<pii,vector<pii>,greater<pii>>pq;
      |     ^~~
passport.cpp:51:39: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   51 |     for(int i=0;i<6*N;i++)d[2][i]=1e9;priority_queue<pii,vector<pii>,greater<pii>>pq;
      |                                       ^~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 43896 KB Output is correct
2 Correct 14 ms 44120 KB Output is correct
3 Correct 12 ms 43736 KB Output is correct
4 Correct 824 ms 95880 KB Output is correct
5 Correct 388 ms 73932 KB Output is correct
6 Correct 240 ms 67788 KB Output is correct
7 Correct 304 ms 67280 KB Output is correct
8 Correct 172 ms 73144 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 43868 KB Output is correct
2 Correct 13 ms 44064 KB Output is correct
3 Correct 16 ms 44148 KB Output is correct
4 Correct 12 ms 43868 KB Output is correct
5 Correct 13 ms 43868 KB Output is correct
6 Correct 13 ms 43868 KB Output is correct
7 Correct 13 ms 43900 KB Output is correct
8 Correct 13 ms 43868 KB Output is correct
9 Correct 14 ms 43868 KB Output is correct
10 Correct 13 ms 43868 KB Output is correct
11 Correct 13 ms 43868 KB Output is correct
12 Correct 13 ms 43864 KB Output is correct
13 Correct 14 ms 43868 KB Output is correct
14 Correct 13 ms 43944 KB Output is correct
15 Correct 13 ms 43868 KB Output is correct

Subtask #3
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 43868 KB Output is correct
2 Correct 13 ms 44064 KB Output is correct
3 Correct 16 ms 44148 KB Output is correct
4 Correct 12 ms 43868 KB Output is correct
5 Correct 13 ms 43868 KB Output is correct
6 Correct 13 ms 43868 KB Output is correct
7 Correct 13 ms 43900 KB Output is correct
8 Correct 13 ms 43868 KB Output is correct
9 Correct 14 ms 43868 KB Output is correct
10 Correct 13 ms 43868 KB Output is correct
11 Correct 13 ms 43868 KB Output is correct
12 Correct 13 ms 43864 KB Output is correct
13 Correct 14 ms 43868 KB Output is correct
14 Correct 13 ms 43944 KB Output is correct
15 Correct 13 ms 43868 KB Output is correct
16 Correct 17 ms 44380 KB Output is correct
17 Correct 17 ms 44124 KB Output is correct
18 Correct 16 ms 44380 KB Output is correct
19 Correct 17 ms 44516 KB Output is correct
20 Correct 15 ms 44120 KB Output is correct
21 Correct 16 ms 44124 KB Output is correct
22 Correct 16 ms 44120 KB Output is correct
23 Correct 16 ms 44120 KB Output is correct
24 Correct 15 ms 44380 KB Output is correct

Subtask #4
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 43868 KB Output is correct
2 Correct 13 ms 44064 KB Output is correct
3 Correct 16 ms 44148 KB Output is correct
4 Correct 12 ms 43868 KB Output is correct
5 Correct 13 ms 43868 KB Output is correct
6 Correct 13 ms 43868 KB Output is correct
7 Correct 13 ms 43900 KB Output is correct
8 Correct 13 ms 43868 KB Output is correct
9 Correct 14 ms 43868 KB Output is correct
10 Correct 13 ms 43868 KB Output is correct
11 Correct 13 ms 43868 KB Output is correct
12 Correct 13 ms 43864 KB Output is correct
13 Correct 14 ms 43868 KB Output is correct
14 Correct 13 ms 43944 KB Output is correct
15 Correct 13 ms 43868 KB Output is correct
16 Correct 17 ms 44380 KB Output is correct
17 Correct 17 ms 44124 KB Output is correct
18 Correct 16 ms 44380 KB Output is correct
19 Correct 17 ms 44516 KB Output is correct
20 Correct 15 ms 44120 KB Output is correct
21 Correct 16 ms 44124 KB Output is correct
22 Correct 16 ms 44120 KB Output is correct
23 Correct 16 ms 44120 KB Output is correct
24 Correct 15 ms 44380 KB Output is correct
25 Correct 13 ms 43868 KB Output is correct
26 Correct 13 ms 44120 KB Output is correct
27 Incorrect 17 ms 44380 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 43896 KB Output is correct
2 Correct 14 ms 44120 KB Output is correct
3 Correct 12 ms 43736 KB Output is correct
4 Correct 824 ms 95880 KB Output is correct
5 Correct 388 ms 73932 KB Output is correct
6 Correct 240 ms 67788 KB Output is correct
7 Correct 304 ms 67280 KB Output is correct
8 Correct 172 ms 73144 KB Output is correct
9 Correct 14 ms 43868 KB Output is correct
10 Correct 13 ms 44064 KB Output is correct
11 Correct 16 ms 44148 KB Output is correct
12 Correct 12 ms 43868 KB Output is correct
13 Correct 13 ms 43868 KB Output is correct
14 Correct 13 ms 43868 KB Output is correct
15 Correct 13 ms 43900 KB Output is correct
16 Correct 13 ms 43868 KB Output is correct
17 Correct 14 ms 43868 KB Output is correct
18 Correct 13 ms 43868 KB Output is correct
19 Correct 13 ms 43868 KB Output is correct
20 Correct 13 ms 43864 KB Output is correct
21 Correct 14 ms 43868 KB Output is correct
22 Correct 13 ms 43944 KB Output is correct
23 Correct 13 ms 43868 KB Output is correct
24 Correct 17 ms 44380 KB Output is correct
25 Correct 17 ms 44124 KB Output is correct
26 Correct 16 ms 44380 KB Output is correct
27 Correct 17 ms 44516 KB Output is correct
28 Correct 15 ms 44120 KB Output is correct
29 Correct 16 ms 44124 KB Output is correct
30 Correct 16 ms 44120 KB Output is correct
31 Correct 16 ms 44120 KB Output is correct
32 Correct 15 ms 44380 KB Output is correct
33 Correct 13 ms 43868 KB Output is correct
34 Correct 13 ms 44120 KB Output is correct
35 Incorrect 17 ms 44380 KB Output isn't correct
36 Halted 0 ms 0 KB -