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Submission #1084385

# Submission time Handle Problem Language Result Execution time Memory
1084385 2024-09-06T07:24:54 Z Bananabread Passport (JOI23_passport) C++17
0 / 100
 1 ms 604 KB 
#include<bits/stdc++.h>
#define ll long long
#define ntr "\n"
#define mod (ll)(1e9+7)
#define taskname ""
#define frep freopen(taskname".inp","r",stdin); freopen(taskname".out","w",stdout);
using namespace std;
ll l[3001];
ll r[3001];
ll n;
ll q;
int main(){
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    //frep;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>l[i]>>r[i];
    }
    ll dp[n+1][n+1];
    ll vis[n+1][n+1];
    cin>>q;
    for(int i=1;i<=q;i++){
        ll x;
        cin>>x;
        memset(dp,0x3f,sizeof(dp));
        memset(vis,0,sizeof(vis));
        dp[l[x]][r[x]]=1;
        queue<pair<ll,ll>> q;
        q.push({l[x],r[x]});
        while(!q.empty()){
            ll lu=q.front().first,ru=q.front().second;
            q.pop();
            if(vis[lu][ru]) continue;
            for(int i=lu;i<=ru;i++){
                ll nl=min(lu,l[i]);
                ll nr=max(ru,r[i]);
                if(dp[nl][nr]>dp[lu][ru]+1){
                    dp[nl][nr]=dp[lu][ru]+1;
                }
            }
        }
        cout<<(dp[1][n]<=1e18 ? dp[1][n] : -1)<<ntr;
    }
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 604 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Incorrect 0 ms 348 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 46.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 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 1 ms 604 KB Execution killed with signal 11
5 Halted 0 ms 0 KB -