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Submission #1009792

# Submission time Handle Problem Language Result Execution time Memory
1009792 2024-06-28T04:41:46 Z Mardonbekhazratov Crocodile's Underground City (IOI11_crocodile) C++17
46 / 100
 137 ms 262144 KB 
#include "crocodile.h"
#include<bits/stdc++.h>
#define ll long long
using namespace std;

vector<bool>is;
vector<vector<pair<int,int>>>v;

const int INF=1e9;

vector<ll>dfs(int x,ll d = 0,int p=-1){
    if(is[x]) return {d};
    vector<ll>a;
    for(auto [z,w]:v[x]){
        if(z!=p){
            vector<ll>b=dfs(z,d+w,x);
            sort(b.begin(),b.end());
            if(b.size()>1) a.push_back(b[1]);
            else if(b.size()) a.push_back(b[0]);
        }
    }
    return a;
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]){
    is.assign(N,false);
    for(int i=0;i<K;i++) is[P[i]]=true;
    v.resize(N);
    for(int i=0;i<M;i++){
        v[R[i][0]].push_back({R[i][1],L[i]});
        v[R[i][1]].push_back({R[i][0],L[i]});
    }
    vector<ll>ans=dfs(0);
    sort(ans.begin(),ans.end());
    return ans[1];
}

Subtask #1
46.0 / 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 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct

Subtask #2
0 / 43.0

# 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 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Runtime error 137 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 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 452 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 0 ms 604 KB Output is correct
9 Runtime error 137 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -