oj.uz

Submission #887334

# Submission time Handle Problem Language Result Execution time Memory
887334 2023-12-14T09:18:19 Z HossamHero7 Passport (JOI23_passport) C++14
16 / 100
 2000 ms 1048576 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl '\n'
void solve(){
    int n;
    cin>>n;
    vector<pair<int,int>> v(n);
    for(auto &[a,b] : v) cin>>a>>b , a -- , b--;
    int q;
    cin>>q;
    while(q--){
        int x;
        cin>>x;
        x --;
        queue<pair<int,int>> q;
        q.push({x,x});
        vector<vector<int>> dep(n,vector<int>(n));
        vector<vector<bool>> vis(n,vector<bool>(n));
        vis[x][x] = 1;
        while(q.size()){
            auto [l,r] = q.front();      q.pop();
            for(int i=l;i<=r;i++){
                int L = min(l , v[i].first);
                int R = max(r , v[i].second);
                if(vis[L][R]) continue;
                q.push({L,R});
                vis[L][R] = 1;
                dep[L][R] = dep[l][r] + 1;
            }
        }
        if(vis[0][n-1]) cout<<dep[0][n-1]<<endl;
        else cout<<-1<<endl;
    }
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);      cout.tie(0);
    int t=1;
    //cin>>t;
    while(t--){
        solve();
    }
    return 0;
}

Compilation message

passport.cpp: In function 'void solve()':
passport.cpp:9:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
    9 |     for(auto &[a,b] : v) cin>>a>>b , a -- , b--;
      |               ^
passport.cpp:22:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   22 |             auto [l,r] = q.front();      q.pop();
      |                  ^

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 721 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 604 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 604 KB Output is correct
16 Correct 1292 ms 24500 KB Output is correct
17 Correct 1088 ms 25436 KB Output is correct
18 Correct 27 ms 25944 KB Output is correct
19 Correct 43 ms 24600 KB Output is correct
20 Execution timed out 2029 ms 25956 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 3 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 3 ms 604 KB Output is correct
16 Correct 1292 ms 24500 KB Output is correct
17 Correct 1088 ms 25436 KB Output is correct
18 Correct 27 ms 25944 KB Output is correct
19 Correct 43 ms 24600 KB Output is correct
20 Execution timed out 2029 ms 25956 KB Time limit exceeded
21 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Runtime error 721 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -