답안 #661298

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
661298	2022-11-25T11:58:09 Z	atigun	꿈 (IOI13_dreaming)	C++11	47 / 100	146 ms	36672 KB

dreaming

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	Grader output
1	Incorrect	40 ms	15852 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 12.0

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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	-

답안 #661298

Compilation message

Subtask #1 14.0 / 14.0

Subtask #2 10.0 / 10.0

Subtask #3 23.0 / 23.0

Subtask #4 0 / 18.0

Subtask #5 0 / 12.0

Subtask #6 0 / 23.0

Subtask #1
14.0 / 14.0

Subtask #2
10.0 / 10.0

Subtask #3
23.0 / 23.0

Subtask #4
0 / 18.0

Subtask #5
0 / 12.0

Subtask #6
0 / 23.0