oj.uz

Submission #736993

# Submission time Handle Problem Language Result Execution time Memory
736993 2023-05-06T12:16:57 Z Cookie Passport (JOI23_passport) C++14
54 / 100
 2000 ms 88924 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 = 5e5, 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<ll>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]].emplace_back(id, 0); adj[rson[id]].emplace_back(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].emplace_back(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<ll>&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;
    int q; cin >> q;
    
    d3.resize(4 * n + 1, inf);
    for(int i = 1; i <= n; i++){
        d3[i] = min(d1[i] + d2[i], inf); 
    }
    find(d3);
    if(n < 199851 || q == 1){
    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<long long 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 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 548 ms 80868 KB Output is correct
5 Correct 205 ms 61112 KB Output is correct
6 Correct 139 ms 55940 KB Output is correct
7 Correct 83 ms 53600 KB Output is correct
8 Correct 96 ms 58156 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23832 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 11 ms 23764 KB Output is correct
7 Correct 11 ms 23764 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 11 ms 23764 KB Output is correct
10 Correct 11 ms 23764 KB Output is correct
11 Correct 13 ms 23800 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 12 ms 23892 KB Output is correct
14 Correct 12 ms 23892 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct

Subtask #3
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23832 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 11 ms 23764 KB Output is correct
7 Correct 11 ms 23764 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 11 ms 23764 KB Output is correct
10 Correct 11 ms 23764 KB Output is correct
11 Correct 13 ms 23800 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 12 ms 23892 KB Output is correct
14 Correct 12 ms 23892 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 17 ms 24312 KB Output is correct
17 Correct 13 ms 24300 KB Output is correct
18 Correct 15 ms 24452 KB Output is correct
19 Correct 14 ms 24476 KB Output is correct
20 Correct 15 ms 24148 KB Output is correct
21 Correct 35 ms 24276 KB Output is correct
22 Correct 12 ms 24228 KB Output is correct
23 Correct 12 ms 24336 KB Output is correct
24 Correct 13 ms 24276 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23832 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 12 ms 23764 KB Output is correct
5 Correct 14 ms 23764 KB Output is correct
6 Correct 11 ms 23764 KB Output is correct
7 Correct 11 ms 23764 KB Output is correct
8 Correct 12 ms 23820 KB Output is correct
9 Correct 11 ms 23764 KB Output is correct
10 Correct 11 ms 23764 KB Output is correct
11 Correct 13 ms 23800 KB Output is correct
12 Correct 17 ms 23808 KB Output is correct
13 Correct 12 ms 23892 KB Output is correct
14 Correct 12 ms 23892 KB Output is correct
15 Correct 12 ms 23800 KB Output is correct
16 Correct 17 ms 24312 KB Output is correct
17 Correct 13 ms 24300 KB Output is correct
18 Correct 15 ms 24452 KB Output is correct
19 Correct 14 ms 24476 KB Output is correct
20 Correct 15 ms 24148 KB Output is correct
21 Correct 35 ms 24276 KB Output is correct
22 Correct 12 ms 24228 KB Output is correct
23 Correct 12 ms 24336 KB Output is correct
24 Correct 13 ms 24276 KB Output is correct
25 Correct 13 ms 23764 KB Output is correct
26 Correct 11 ms 23764 KB Output is correct
27 Correct 15 ms 24316 KB Output is correct
28 Correct 16 ms 24304 KB Output is correct
29 Correct 13 ms 24232 KB Output is correct
30 Correct 33 ms 24288 KB Output is correct
31 Correct 15 ms 24292 KB Output is correct

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 23764 KB Output is correct
2 Correct 12 ms 23764 KB Output is correct
3 Correct 12 ms 23764 KB Output is correct
4 Correct 548 ms 80868 KB Output is correct
5 Correct 205 ms 61112 KB Output is correct
6 Correct 139 ms 55940 KB Output is correct
7 Correct 83 ms 53600 KB Output is correct
8 Correct 96 ms 58156 KB Output is correct
9 Correct 11 ms 23764 KB Output is correct
10 Correct 12 ms 23832 KB Output is correct
11 Correct 12 ms 23764 KB Output is correct
12 Correct 12 ms 23764 KB Output is correct
13 Correct 14 ms 23764 KB Output is correct
14 Correct 11 ms 23764 KB Output is correct
15 Correct 11 ms 23764 KB Output is correct
16 Correct 12 ms 23820 KB Output is correct
17 Correct 11 ms 23764 KB Output is correct
18 Correct 11 ms 23764 KB Output is correct
19 Correct 13 ms 23800 KB Output is correct
20 Correct 17 ms 23808 KB Output is correct
21 Correct 12 ms 23892 KB Output is correct
22 Correct 12 ms 23892 KB Output is correct
23 Correct 12 ms 23800 KB Output is correct
24 Correct 17 ms 24312 KB Output is correct
25 Correct 13 ms 24300 KB Output is correct
26 Correct 15 ms 24452 KB Output is correct
27 Correct 14 ms 24476 KB Output is correct
28 Correct 15 ms 24148 KB Output is correct
29 Correct 35 ms 24276 KB Output is correct
30 Correct 12 ms 24228 KB Output is correct
31 Correct 12 ms 24336 KB Output is correct
32 Correct 13 ms 24276 KB Output is correct
33 Correct 13 ms 23764 KB Output is correct
34 Correct 11 ms 23764 KB Output is correct
35 Correct 15 ms 24316 KB Output is correct
36 Correct 16 ms 24304 KB Output is correct
37 Correct 13 ms 24232 KB Output is correct
38 Correct 33 ms 24288 KB Output is correct
39 Correct 15 ms 24292 KB Output is correct
40 Correct 533 ms 81448 KB Output is correct
41 Correct 227 ms 62448 KB Output is correct
42 Execution timed out 2084 ms 88924 KB Time limit exceeded
43 Halted 0 ms 0 KB -