oj.uz

Submission #661298

# Submission time Handle Problem Language Result Execution time Memory
661298 2022-11-25T11:58:09 Z atigun Dreaming (IOI13_dreaming) C++11
47 / 100
 146 ms 36672 KB 
#include<bits/stdc++.h>
#include"dreaming.h"

using namespace std;
typedef long long ll;

const int maxn = 1e5;
vector<vector<pair<int, int>>> g(maxn+5);
vector<bool> vis(maxn+5, false);
vector<ll> dt(maxn+5), ht(maxn+5, 0), group(maxn+5);
vector<multiset<ll>> S(maxn+5);

void dfs1(int v, int P){
  group[v] = P;
  vis[v] = 1;
  int maxi1 = 0, maxi2 = 0;
  for(pair<int, int> pp : g[v]){
    int u = pp.first, w = pp.second;
    if(vis[u])
      continue;
    dfs1(u, P);
    ht[v] = max(ht[v], ht[u]+w);
    if(ht[u]+w >= maxi1){
      maxi2 = maxi1, maxi1 = ht[u]+w;
    } else if(ht[u]+w >= maxi2){
      maxi2 = ht[u]+w;
    }
  }
  dt[v] = maxi1+maxi2;
}

void dfs2(int v, int p){
  vis[v] = 1;
  for(pair<int, int> pp : g[v]){
    int u = pp.first, w = pp.second;
    if(u == p)
      continue;
    S[v].insert(ht[u]+w);
  }
  for(pair<int, int> pp : g[v]){
    int u = pp.first, w = pp.second;
    if(u == p)
      continue;
    if(S[v].size() == 1){
      S[u].insert(w);
    } else if(!S[v].empty()){
      S[v].erase(S[v].find(ht[u]+w));
      int best = *--S[v].end();
      S[u].insert(best+w);
      S[v].insert(ht[u]+w);
    }
  }
  if(!S[v].empty())
    ht[v] = *--S[v].end();
  for(pair<int, int> pp : g[v]){
    int u = pp.first;
    if(vis[u])
      continue;
    dfs2(u, v);
  }
}

int travelTime(int N, int M, int L, int A[], int B[], int T[]){
  for(int i = 0; i < M; i++){
    g[A[i]].emplace_back(B[i], T[i]);
    g[B[i]].emplace_back(A[i], T[i]);
  }
  for(int i = 0; i < N; i++)
    if(!vis[i])
      dfs1(i, i);
  fill(vis.begin(), vis.end(), false);
  for(int i = 0; i < N; i++)
    if(!vis[i])
      dfs2(i, -1);
  long long ans = 0;
  for(int i = 0; i < N; i++)
    ans = max(ans, dt[i]);  
  vector<pair<int, int>> order;
  order.reserve(N);
  for(int i = 0; i < N; i++)
    order.emplace_back(ht[i], group[i]);
  sort(order.begin(), order.end());
  vector<int> G;
  G.reserve(N);
  vector<bool> used(N+5, false);
  for(int i = 0; i < N; i++){
    if(used[order[i].second])
      continue;
    G.emplace_back(order[i].first);
    used[order[i].second] = true;
  }
  int GN = G.size();
  sort(G.begin(), G.end(), [&](int n1, int n2){
    return n1 > n2;
  });
  if(GN >= 2)
    swap(G[0], G[1]);
  for(int i = GN-1; i > 0; i--)
    ans = max(ans, (long long) G[0] + (long long) G[i] + i*1ll*L);
  return ans;
}

/*int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m, l;
  cin >> n >> m >> l;
  int a[m], b[m], c[m];
  for(int i = 0; i < n; i++)
    cin >> a[i] >> b[i] >> c[i];
  cout << travelTime(n, m, l, a, b, c) << "\n";
}*/

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 29272 KB Output is correct
2 Correct 84 ms 28768 KB Output is correct
3 Correct 54 ms 24800 KB Output is correct
4 Correct 15 ms 12496 KB Output is correct
5 Correct 12 ms 11476 KB Output is correct
6 Correct 22 ms 13908 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 42 ms 17940 KB Output is correct
9 Correct 56 ms 21800 KB Output is correct
10 Correct 5 ms 9812 KB Output is correct
11 Correct 79 ms 24016 KB Output is correct
12 Correct 93 ms 26440 KB Output is correct
13 Correct 5 ms 9896 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9812 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9644 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 4 ms 9684 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 29272 KB Output is correct
2 Correct 84 ms 28768 KB Output is correct
3 Correct 54 ms 24800 KB Output is correct
4 Correct 15 ms 12496 KB Output is correct
5 Correct 12 ms 11476 KB Output is correct
6 Correct 22 ms 13908 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 42 ms 17940 KB Output is correct
9 Correct 56 ms 21800 KB Output is correct
10 Correct 5 ms 9812 KB Output is correct
11 Correct 79 ms 24016 KB Output is correct
12 Correct 93 ms 26440 KB Output is correct
13 Correct 5 ms 9896 KB Output is correct
14 Correct 5 ms 9812 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9644 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 4 ms 9684 KB Output is correct
39 Correct 82 ms 29232 KB Output is correct
40 Correct 88 ms 28812 KB Output is correct
41 Correct 56 ms 24740 KB Output is correct
42 Correct 15 ms 12500 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 5 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 ms 9684 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 5 ms 9684 KB Output is correct
52 Correct 5 ms 9684 KB Output is correct
53 Correct 5 ms 9684 KB Output is correct
54 Correct 5 ms 9684 KB Output is correct
55 Correct 5 ms 9684 KB Output is correct
56 Correct 5 ms 9684 KB Output is correct
57 Correct 109 ms 25064 KB Output is correct
58 Correct 118 ms 24972 KB Output is correct
59 Correct 109 ms 24984 KB Output is correct
60 Correct 110 ms 24944 KB Output is correct
61 Correct 109 ms 24900 KB Output is correct
62 Correct 111 ms 24908 KB Output is correct
63 Correct 109 ms 24880 KB Output is correct
64 Correct 109 ms 24744 KB Output is correct
65 Correct 107 ms 24728 KB Output is correct
66 Correct 109 ms 24700 KB Output is correct
67 Correct 113 ms 25032 KB Output is correct
68 Correct 120 ms 25152 KB Output is correct
69 Correct 114 ms 25044 KB Output is correct
70 Correct 112 ms 25016 KB Output is correct
71 Correct 5 ms 9684 KB Output is correct
72 Correct 7 ms 10196 KB Output is correct
73 Correct 7 ms 10144 KB Output is correct
74 Correct 7 ms 10140 KB Output is correct
75 Correct 7 ms 10196 KB Output is correct
76 Correct 7 ms 10196 KB Output is correct
77 Correct 7 ms 10196 KB Output is correct
78 Correct 7 ms 10128 KB Output is correct
79 Correct 7 ms 10176 KB Output is correct
80 Correct 116 ms 25128 KB Output is correct
81 Correct 112 ms 24928 KB Output is correct
82 Correct 116 ms 24824 KB Output is correct
83 Correct 111 ms 24872 KB Output is correct
84 Correct 7 ms 10016 KB Output is correct
85 Correct 6 ms 10068 KB Output is correct
86 Correct 7 ms 10068 KB Output is correct
87 Correct 7 ms 10140 KB Output is correct
88 Correct 7 ms 10068 KB Output is correct
89 Correct 7 ms 10068 KB Output is correct
90 Correct 7 ms 10064 KB Output is correct
91 Correct 7 ms 10196 KB Output is correct
92 Correct 7 ms 10068 KB Output is correct
93 Correct 7 ms 10068 KB Output is correct
94 Correct 5 ms 9684 KB Output is correct
95 Correct 5 ms 9684 KB Output is correct
96 Correct 4 ms 9684 KB Output is correct
97 Correct 5 ms 9684 KB Output is correct
98 Correct 5 ms 9684 KB Output is correct
99 Correct 5 ms 9684 KB Output is correct
100 Correct 5 ms 9684 KB Output is correct
101 Correct 5 ms 9756 KB Output is correct
102 Correct 5 ms 9684 KB Output is correct
103 Correct 5 ms 9684 KB Output is correct
104 Correct 12 ms 11544 KB Output is correct
105 Correct 22 ms 14060 KB Output is correct
106 Correct 5 ms 9684 KB Output is correct
107 Correct 39 ms 17940 KB Output is correct
108 Correct 52 ms 21864 KB Output is correct
109 Correct 5 ms 9812 KB Output is correct
110 Correct 75 ms 23920 KB Output is correct
111 Correct 89 ms 26444 KB Output is correct
112 Correct 5 ms 9812 KB Output is correct
113 Correct 146 ms 36672 KB Output is correct

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 40 ms 15852 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9812 KB Output is correct
2 Correct 5 ms 9684 KB Output is correct
3 Correct 5 ms 9684 KB Output is correct
4 Correct 5 ms 9644 KB Output is correct
5 Correct 5 ms 9684 KB Output is correct
6 Correct 5 ms 9684 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 5 ms 9684 KB Output is correct
9 Correct 5 ms 9684 KB Output is correct
10 Correct 5 ms 9684 KB Output is correct
11 Correct 5 ms 9684 KB Output is correct
12 Correct 5 ms 9684 KB Output is correct
13 Correct 5 ms 9684 KB Output is correct
14 Correct 5 ms 9684 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9684 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 4 ms 9684 KB Output is correct
26 Correct 5 ms 9812 KB Output is correct
27 Incorrect 6 ms 10008 KB Output isn't correct
28 Halted 0 ms 0 KB -

Subtask #6
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 29272 KB Output is correct
2 Correct 84 ms 28768 KB Output is correct
3 Correct 54 ms 24800 KB Output is correct
4 Correct 15 ms 12496 KB Output is correct
5 Correct 12 ms 11476 KB Output is correct
6 Correct 22 ms 13908 KB Output is correct
7 Correct 5 ms 9684 KB Output is correct
8 Correct 42 ms 17940 KB Output is correct
9 Correct 56 ms 21800 KB Output is correct
10 Correct 5 ms 9812 KB Output is correct
11 Correct 79 ms 24016 KB Output is correct
12 Correct 93 ms 26440 KB Output is correct
13 Correct 5 ms 9896 KB Output is correct
14 Correct 5 ms 9812 KB Output is correct
15 Correct 5 ms 9684 KB Output is correct
16 Correct 5 ms 9684 KB Output is correct
17 Correct 5 ms 9644 KB Output is correct
18 Correct 5 ms 9684 KB Output is correct
19 Correct 5 ms 9684 KB Output is correct
20 Correct 5 ms 9684 KB Output is correct
21 Correct 5 ms 9684 KB Output is correct
22 Correct 5 ms 9684 KB Output is correct
23 Correct 5 ms 9684 KB Output is correct
24 Correct 5 ms 9684 KB Output is correct
25 Correct 5 ms 9684 KB Output is correct
26 Correct 5 ms 9684 KB Output is correct
27 Correct 5 ms 9684 KB Output is correct
28 Correct 5 ms 9684 KB Output is correct
29 Correct 5 ms 9684 KB Output is correct
30 Correct 5 ms 9684 KB Output is correct
31 Correct 5 ms 9684 KB Output is correct
32 Correct 5 ms 9684 KB Output is correct
33 Correct 5 ms 9684 KB Output is correct
34 Correct 5 ms 9684 KB Output is correct
35 Correct 5 ms 9684 KB Output is correct
36 Correct 5 ms 9684 KB Output is correct
37 Correct 5 ms 9684 KB Output is correct
38 Correct 4 ms 9684 KB Output is correct
39 Correct 82 ms 29232 KB Output is correct
40 Correct 88 ms 28812 KB Output is correct
41 Correct 56 ms 24740 KB Output is correct
42 Correct 15 ms 12500 KB Output is correct
43 Correct 5 ms 9684 KB Output is correct
44 Correct 5 ms 9684 KB Output is correct
45 Correct 5 ms 9684 KB Output is correct
46 Correct 5 ms 9684 KB Output is correct
47 Correct 5 ms 9684 KB Output is correct
48 Correct 5 ms 9684 KB Output is correct
49 Correct 5 ms 9684 KB Output is correct
50 Correct 5 ms 9684 KB Output is correct
51 Correct 5 ms 9684 KB Output is correct
52 Correct 5 ms 9684 KB Output is correct
53 Correct 5 ms 9684 KB Output is correct
54 Correct 5 ms 9684 KB Output is correct
55 Correct 5 ms 9684 KB Output is correct
56 Correct 5 ms 9684 KB Output is correct
57 Correct 109 ms 25064 KB Output is correct
58 Correct 118 ms 24972 KB Output is correct
59 Correct 109 ms 24984 KB Output is correct
60 Correct 110 ms 24944 KB Output is correct
61 Correct 109 ms 24900 KB Output is correct
62 Correct 111 ms 24908 KB Output is correct
63 Correct 109 ms 24880 KB Output is correct
64 Correct 109 ms 24744 KB Output is correct
65 Correct 107 ms 24728 KB Output is correct
66 Correct 109 ms 24700 KB Output is correct
67 Correct 113 ms 25032 KB Output is correct
68 Correct 120 ms 25152 KB Output is correct
69 Correct 114 ms 25044 KB Output is correct
70 Correct 112 ms 25016 KB Output is correct
71 Correct 5 ms 9684 KB Output is correct
72 Correct 7 ms 10196 KB Output is correct
73 Correct 7 ms 10144 KB Output is correct
74 Correct 7 ms 10140 KB Output is correct
75 Correct 7 ms 10196 KB Output is correct
76 Correct 7 ms 10196 KB Output is correct
77 Correct 7 ms 10196 KB Output is correct
78 Correct 7 ms 10128 KB Output is correct
79 Correct 7 ms 10176 KB Output is correct
80 Correct 116 ms 25128 KB Output is correct
81 Correct 112 ms 24928 KB Output is correct
82 Correct 116 ms 24824 KB Output is correct
83 Correct 111 ms 24872 KB Output is correct
84 Correct 7 ms 10016 KB Output is correct
85 Correct 6 ms 10068 KB Output is correct
86 Correct 7 ms 10068 KB Output is correct
87 Correct 7 ms 10140 KB Output is correct
88 Correct 7 ms 10068 KB Output is correct
89 Correct 7 ms 10068 KB Output is correct
90 Correct 7 ms 10064 KB Output is correct
91 Correct 7 ms 10196 KB Output is correct
92 Correct 7 ms 10068 KB Output is correct
93 Correct 7 ms 10068 KB Output is correct
94 Correct 5 ms 9684 KB Output is correct
95 Correct 5 ms 9684 KB Output is correct
96 Correct 4 ms 9684 KB Output is correct
97 Correct 5 ms 9684 KB Output is correct
98 Correct 5 ms 9684 KB Output is correct
99 Correct 5 ms 9684 KB Output is correct
100 Correct 5 ms 9684 KB Output is correct
101 Correct 5 ms 9756 KB Output is correct
102 Correct 5 ms 9684 KB Output is correct
103 Correct 5 ms 9684 KB Output is correct
104 Correct 12 ms 11544 KB Output is correct
105 Correct 22 ms 14060 KB Output is correct
106 Correct 5 ms 9684 KB Output is correct
107 Correct 39 ms 17940 KB Output is correct
108 Correct 52 ms 21864 KB Output is correct
109 Correct 5 ms 9812 KB Output is correct
110 Correct 75 ms 23920 KB Output is correct
111 Correct 89 ms 26444 KB Output is correct
112 Correct 5 ms 9812 KB Output is correct
113 Correct 146 ms 36672 KB Output is correct
114 Incorrect 40 ms 15852 KB Output isn't correct
115 Halted 0 ms 0 KB -