oj.uz

Submission #736940

# Submission time Handle Problem Language Result Execution time Memory
736940 2023-05-06T11:30:16 Z Cookie Passport (JOI23_passport) C++14
54 / 100
 2000 ms 68584 KB 
#include<bits/stdc++.h>
#include<fstream>
using namespace std;

 
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const ld PI = 3.14159265359;
const int x[4] = {1, -1, 0, 0};
const int y[4] = {0, 0, 1, -1};
const ll mod = 1e9 + 7;
const int mxn = 2e5, mxm = 1e5, sq = 400;
const int base = (1 << 18);
const ll inf = 1e9;
const ld pre = 1e-6;
//cool problem!
int n;
int l[mxn + 1], r[mxn + 1], id, lson[2 * mxn + 5], rson[2 * mxn + 5];
vt<pii>adj[2 * mxn + 5];
vt<int>d1, d2, d3;
int build(int nd, int l, int r){
    if(l == r)return(l);
    int mid = (l + r) >> 1;
    int ls = build(nd << 1, l, mid), rs = build(nd << 1 | 1, mid + 1, r);
    ++id;
    lson[id] = ls; rson[id] = rs;
    
    adj[lson[id]].pb(make_pair(id, 0)); adj[rson[id]].pb({id, 0});
    return(id);
}
void upd(int nd, int l, int r, int ql, int qr, int u){
    if(ql > r || qr < l)return;
    if(ql <= l && qr >= r){
        
        adj[nd].pb(make_pair(u, 1));
        return;
    }
    int mid = (l + r) >> 1;
    upd(lson[nd], l, mid, ql, qr, u); upd(rson[nd], mid + 1, r, ql, qr, u);
}
void find(vt<int>&d){
    deque<int>dq;
    for(int i = 1; i <= n; i++){
        if(d[i] != inf)dq.pb(i);
    }
   
    while(!dq.empty()){
        int u = dq.front(); dq.pop_front();
        for(auto [v, w]: adj[u]){
            if(d[v] > d[u] + w){
                d[v] = d[u] + w;
                if(w){
                    dq.pb(v);
                }else{
                    dq.push_front(v);
                }
            }
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    id = n;
    int root = build(1, 1, n);
    
    forr(i, 1, n + 1){
        cin >> l[i] >> r[i];
        upd(root, 1, n, l[i], r[i], i);
    }
    d1.resize(2 * n + 5, inf); d1[1] = 0;
    find(d1); 
    d1[1] = 1;
    d2.resize(2 * n + 5, inf); d2[n] = 0;
    
    find(d2);
    d2[n] = 1;
    
    d3.resize(4 * n + 1, inf);
    for(int i = 1; i <= n; i++){
        d3[i] = d1[i] + d2[i]; 
    }
    find(d3);
    int q; cin >> q;
    forr(i, 0, q){
        int x; cin >> x;
        if(d3[x] >= 1e9)cout << -1 << "\n";
        else cout << d3[x] - 1 << "\n";
    }
    return(0);
}

Compilation message

passport.cpp: In function 'void find(std::vector<int>&)':
passport.cpp:58:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   58 |         for(auto [v, w]: adj[u]){
      |                  ^

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9684 KB Output is correct
4 Correct 556 ms 60580 KB Output is correct
5 Correct 200 ms 40596 KB Output is correct
6 Correct 153 ms 35452 KB Output is correct
7 Correct 83 ms 33440 KB Output is correct
8 Correct 100 ms 39124 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9736 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 6 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 6 ms 9788 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 7 ms 9684 KB Output is correct
15 Correct 8 ms 9704 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9736 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 6 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 6 ms 9788 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 7 ms 9684 KB Output is correct
15 Correct 8 ms 9704 KB Output is correct
16 Correct 10 ms 10196 KB Output is correct
17 Correct 9 ms 10068 KB Output is correct
18 Correct 8 ms 10324 KB Output is correct
19 Correct 9 ms 10324 KB Output is correct
20 Correct 7 ms 10080 KB Output is correct
21 Correct 27 ms 10104 KB Output is correct
22 Correct 8 ms 9940 KB Output is correct
23 Correct 6 ms 10068 KB Output is correct
24 Correct 7 ms 10196 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9736 KB Output is correct
2 Correct 6 ms 9684 KB Output is correct
3 Correct 6 ms 9684 KB Output is correct
4 Correct 5 ms 9684 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 6 ms 9684 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 6 ms 9788 KB Output is correct
13 Correct 6 ms 9684 KB Output is correct
14 Correct 7 ms 9684 KB Output is correct
15 Correct 8 ms 9704 KB Output is correct
16 Correct 10 ms 10196 KB Output is correct
17 Correct 9 ms 10068 KB Output is correct
18 Correct 8 ms 10324 KB Output is correct
19 Correct 9 ms 10324 KB Output is correct
20 Correct 7 ms 10080 KB Output is correct
21 Correct 27 ms 10104 KB Output is correct
22 Correct 8 ms 9940 KB Output is correct
23 Correct 6 ms 10068 KB Output is correct
24 Correct 7 ms 10196 KB Output is correct
25 Correct 6 ms 9684 KB Output is correct
26 Correct 6 ms 9684 KB Output is correct
27 Correct 8 ms 10116 KB Output is correct
28 Correct 8 ms 10068 KB Output is correct
29 Correct 7 ms 10068 KB Output is correct
30 Correct 27 ms 10116 KB Output is correct
31 Correct 7 ms 10068 KB Output is correct

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 4 ms 9684 KB Output is correct
4 Correct 556 ms 60580 KB Output is correct
5 Correct 200 ms 40596 KB Output is correct
6 Correct 153 ms 35452 KB Output is correct
7 Correct 83 ms 33440 KB Output is correct
8 Correct 100 ms 39124 KB Output is correct
9 Correct 6 ms 9736 KB Output is correct
10 Correct 6 ms 9684 KB Output is correct
11 Correct 6 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 6 ms 9684 KB Output is correct
18 Correct 6 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 6 ms 9788 KB Output is correct
21 Correct 6 ms 9684 KB Output is correct
22 Correct 7 ms 9684 KB Output is correct
23 Correct 8 ms 9704 KB Output is correct
24 Correct 10 ms 10196 KB Output is correct
25 Correct 9 ms 10068 KB Output is correct
26 Correct 8 ms 10324 KB Output is correct
27 Correct 9 ms 10324 KB Output is correct
28 Correct 7 ms 10080 KB Output is correct
29 Correct 27 ms 10104 KB Output is correct
30 Correct 8 ms 9940 KB Output is correct
31 Correct 6 ms 10068 KB Output is correct
32 Correct 7 ms 10196 KB Output is correct
33 Correct 6 ms 9684 KB Output is correct
34 Correct 6 ms 9684 KB Output is correct
35 Correct 8 ms 10116 KB Output is correct
36 Correct 8 ms 10068 KB Output is correct
37 Correct 7 ms 10068 KB Output is correct
38 Correct 27 ms 10116 KB Output is correct
39 Correct 7 ms 10068 KB Output is correct
40 Correct 607 ms 61196 KB Output is correct
41 Correct 245 ms 42116 KB Output is correct
42 Execution timed out 2070 ms 68584 KB Time limit exceeded
43 Halted 0 ms 0 KB -