oj.uz

답안 #280144

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
280144 2020-08-22T14:07:40 Z Kastanda 꿈 (IOI13_dreaming) C++11
18 / 100
 68 ms 15476 KB 
// M
#include<bits/stdc++.h>
#include "dreaming.h"
using namespace std;
const int N = 100005;
int n, m, L, D[3][N], M[N];
vector < pair < int , int > > Adj[N];
vector < int > vec;
void DFS(int v, int p, int w)
{
        M[v] = 1;
        if (w == 0)
                vec.push_back(v);
        for (auto u : Adj[v])
                if (u.first != p)
                        D[w][u.first] = D[w][v] + u.second, DFS(u.first, v, w);
}
int travelTime(int _n, int _m, int _L, int * A, int * B, int * W)
{
        n = _n; m = _m; L = _L;
        for (int i = 0; i < m; i ++)
        {
                Adj[A[i]].push_back({B[i], W[i]});
                Adj[B[i]].push_back({A[i], W[i]});
        }
        vector < int > V;
        for (int i = 0; i < n; i ++)
                if (!M[i])
                {
                        vec.clear();
                        DFS(i, -1, 0);
                        int d1 = i;
                        for (int v : vec)
                                if (D[0][v] > D[0][d1])
                                        d1 = v;
                        DFS(d1, -1, 1);
                        int d2 = i;
                        for (int v : vec)
                                if (D[1][v] > D[1][d2])
                                        d2 = v;
                        DFS(d2, -1, 2);
                        int Mn = D[1][d2];
                        for (int v : vec)
                                Mn = min(Mn, max(D[1][v], D[2][v]));
                        V.push_back(Mn);
                }
        sort(V.begin(), V.end());
        reverse(V.begin(), V.end());
        int Mx = V[0];
        if ((int)V.size() > 1)
                Mx = max(Mx, V[0] + V[1] + L);
        if ((int)V.size() > 2)
                Mx = max(Mx, V[1] + V[2] + L * 2);
        return Mx;
}

Subtask #1
0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 15476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 15476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 15476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 43 ms 7284 KB Output is correct
2 Correct 46 ms 7288 KB Output is correct
3 Correct 39 ms 7288 KB Output is correct
4 Correct 32 ms 7288 KB Output is correct
5 Correct 39 ms 7288 KB Output is correct
6 Correct 44 ms 7800 KB Output is correct
7 Correct 40 ms 7520 KB Output is correct
8 Correct 36 ms 7160 KB Output is correct
9 Correct 37 ms 7156 KB Output is correct
10 Correct 39 ms 7420 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 8 ms 4604 KB Output is correct
13 Correct 8 ms 4732 KB Output is correct
14 Correct 8 ms 4604 KB Output is correct
15 Correct 8 ms 4604 KB Output is correct
16 Correct 8 ms 4604 KB Output is correct
17 Correct 7 ms 3964 KB Output is correct
18 Correct 10 ms 4732 KB Output is correct
19 Correct 8 ms 4604 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 2 ms 2688 KB Output is correct
22 Correct 2 ms 2816 KB Output is correct
23 Correct 7 ms 4604 KB Output is correct

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 15476 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 68 ms 15476 KB Output isn't correct
2 Halted 0 ms 0 KB -