oj.uz

Submission #928248

# Submission time Handle Problem Language Result Execution time Memory
928248 2024-02-16T06:04:53 Z Darren0724 Passport (JOI23_passport) C++17
16 / 100
 2000 ms 901840 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=2505;
const int INF=1e9;
inline int id(int a,int b){
    return a*N+b;
}
int32_t main() {
    LCBorz;
    int n;cin>>n;
    vector<int> adj[N*N],dis(N*N,INF);
    vector<int> b(N),c(N);
    for(int i=1;i<=n;i++){
        cin>>b[i]>>c[i];
        for(int j=1;j<=i;j++){
            for(int k=i;k<=n;k++){
                adj[id(j,k)].push_back(id(min(b[i],j),max(c[i],k)));
                //cout<<id(j,k)<<' '<<id(min(b[i],j),max(c[i],k))<<endl;
            }
        }
    }
    int q1;cin>>q1;
    int p;cin>>p;
    queue<int> q;
    q.push(id(b[p],c[p]));
    dis[id(b[p],c[p])]=1;
    while(q.size()){
        int p=q.front();
        q.pop();
        for(int j:adj[p]){
            if(dis[j]==INF){
                dis[j]=dis[p]+1;
                q.push(j);
            }
        }
    }
    int ans=dis[id(1,n)];
    cout<<(ans==INF?-1:ans)<<endl;

    return 0;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 172116 KB Output is correct
2 Correct 104 ms 172200 KB Output is correct
3 Correct 98 ms 172156 KB Output is correct
4 Execution timed out 2061 ms 901840 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 172364 KB Output is correct
2 Correct 103 ms 172364 KB Output is correct
3 Correct 103 ms 172116 KB Output is correct
4 Correct 105 ms 172368 KB Output is correct
5 Correct 102 ms 172372 KB Output is correct
6 Correct 104 ms 172372 KB Output is correct
7 Correct 102 ms 172372 KB Output is correct
8 Correct 106 ms 172368 KB Output is correct
9 Correct 101 ms 172368 KB Output is correct
10 Correct 102 ms 172136 KB Output is correct
11 Correct 140 ms 194640 KB Output is correct
12 Correct 149 ms 197352 KB Output is correct
13 Correct 145 ms 198480 KB Output is correct
14 Correct 139 ms 195152 KB Output is correct
15 Correct 144 ms 198480 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 172364 KB Output is correct
2 Correct 103 ms 172364 KB Output is correct
3 Correct 103 ms 172116 KB Output is correct
4 Correct 105 ms 172368 KB Output is correct
5 Correct 102 ms 172372 KB Output is correct
6 Correct 104 ms 172372 KB Output is correct
7 Correct 102 ms 172372 KB Output is correct
8 Correct 106 ms 172368 KB Output is correct
9 Correct 101 ms 172368 KB Output is correct
10 Correct 102 ms 172136 KB Output is correct
11 Correct 140 ms 194640 KB Output is correct
12 Correct 149 ms 197352 KB Output is correct
13 Correct 145 ms 198480 KB Output is correct
14 Correct 139 ms 195152 KB Output is correct
15 Correct 144 ms 198480 KB Output is correct
16 Execution timed out 2047 ms 884008 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 101 ms 172364 KB Output is correct
2 Correct 103 ms 172364 KB Output is correct
3 Correct 103 ms 172116 KB Output is correct
4 Correct 105 ms 172368 KB Output is correct
5 Correct 102 ms 172372 KB Output is correct
6 Correct 104 ms 172372 KB Output is correct
7 Correct 102 ms 172372 KB Output is correct
8 Correct 106 ms 172368 KB Output is correct
9 Correct 101 ms 172368 KB Output is correct
10 Correct 102 ms 172136 KB Output is correct
11 Correct 140 ms 194640 KB Output is correct
12 Correct 149 ms 197352 KB Output is correct
13 Correct 145 ms 198480 KB Output is correct
14 Correct 139 ms 195152 KB Output is correct
15 Correct 144 ms 198480 KB Output is correct
16 Execution timed out 2047 ms 884008 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 172116 KB Output is correct
2 Correct 104 ms 172200 KB Output is correct
3 Correct 98 ms 172156 KB Output is correct
4 Execution timed out 2061 ms 901840 KB Time limit exceeded
5 Halted 0 ms 0 KB -