oj.uz

Submission #223417

# Submission time Handle Problem Language Result Execution time Memory
223417 2020-04-15T08:57:36 Z dwsc Lampice (COCI19_lampice) C++14
0 / 110
 2106 ms 524292 KB 
#include <bits/stdc++.h>
using namespace std;
string act;
vector<int> adj[50010];
map<string,int> m;
void dfs(int u,int pa,string s){
    m[s]++;
    //cout << s << "hi\n";
    //cout << s << "hi\n";
    for (int v: adj[u]){
        if (v == pa) continue;
        dfs(v,u,s+act[v]);
    }
}
int main(){
    int n;
    cin >> n;
    cin >> act;
    //cout << act << "read\n";
    for (int i = 0; i < n-1; i++){
        int a,b;
        cin >> a >> b;
        a--;
        b--;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    int ans = 0;
    for (int i = 0; i < n; i++){
        m.clear();
        //cout << act[i] << "\n";
        string s = "";
        s += act[i];
        dfs(i,-1,s);
        for (auto it = m.begin(); it != m.end(); ++it){
           //cout<< it->first << " " << it->second << "\n";
            if (it->second >= 2) ans = max(ans,2*(int)((it->first).length())-1);
        }
       // cout << "hi\n";
    }
    cout << ans;
}

Subtask #1
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 530 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #3
0 / 31.0

# Verdict Execution time Memory Grader output
1 Runtime error 2106 ms 524292 KB Execution killed with signal 9 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 37.0

# Verdict Execution time Memory Grader output
1 Incorrect 36 ms 1536 KB Output isn't correct
2 Halted 0 ms 0 KB -