Submission #460790

#	Time	Username	Problem	Language	Result	Execution time	Memory
460790		fuad27	Crocodile's Underground City (IOI11_crocodile)	C++14	46 / 100	170 ms	262148 KiB

crocodile

#include <bits/stdc++.h>
#include "crocodile.h"
using namespace std;
vector <pair<int, int>> v[100010];
set <int> wn;
int dfs(int pos, int prec) {
    if (wn.find(pos) != wn.end()) return 0;
    vector < int > s;
    for (auto k: v[pos]) {
        if (k.first == prec) continue;
        s.push_back(dfs(k.first, pos) + k.second);
    }
    sort(s.begin(), s.end());
    s.push_back(int(1e12));
    s.push_back(int(1e12));
    return s[1];
}
int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
    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]
        });
    }
    for (int i = 0; i < K; i++) wn.insert(P[i]);
    return dfs(0, -1);
}

• Subtask 1: 46 / 46
• Subtask 2: 0 / 43
• Subtask 3: 0 / 11