oj.uz

Submission #999727

# Submission time Handle Problem Language Result Execution time Memory
999727 2024-06-16T05:58:15 Z vjudge1 Construction of Highway (JOI18_construction) C++17
16 / 100
 2000 ms 25796 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
 
using namespace __gnu_pbds;
using namespace std;
template <typename T>
using ordered_set =
    tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>;

const int N = 100'010;
const int LG = 20;
int up[N][LG], depth[N], n, sz[N];
vector<int> g[N];
int c[N];
void dfs(int at, int p) {
  up[at][0] = p;
  sz[at]=1;
  for(int i = 1;i < LG;i++) {
    up[at][i] = up[up[at][i-1]][i-1];
  }
  for(int to:g[at]) {
    if(to == p)continue;
    depth[to] = depth[at]+1;
    dfs(to, at);
    sz[at]+=sz[to];
  }
}
int lca(int a, int b) {
  if(depth[a] < depth[b])swap(a, b);
  int k = depth[a] - depth[b];
  for(int i = LG-1;i>=0;i--) {
    if(k&(1<<i)) {
      a = up[a][i];
    }
  }
  if(a==b)return a;
  for(int i = LG-1;i>=0;i--) {
    if(up[a][i] != up[b][i]) {
      a=up[a][i];
      b=up[b][i];
    }
  }
  return up[a][0];
}
int main () {
  cin.tie(0)->sync_with_stdio(0);
  cin >> n;
  for(int i = 1;i<=n;i++)cin >> c[i];
  vector<pair<int,int>> e;
  for(int i = 1;i<n;i++) {
    int a, b;
    cin >> a >> b;
    g[a].push_back(b);
    g[b].push_back(a);
    e.push_back({a, b});
  }
  dfs(1, 0);
  for(auto [a, b]:e) {
    int ans = 0;
    ordered_set<int> s;
    int cur=a;
    do {
      ans+=s.order_of_key(c[cur]);
      s.insert(c[cur]);
      cur = up[cur][0];
    }while(cur!=0);
    cur=a;
    do {
      c[cur] = c[b];
      cur = up[cur][0];
    }while(cur!=0);
    cout << ans << "\n";
  }
  return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4572 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 10 ms 4652 KB Output is correct
9 Correct 10 ms 4656 KB Output is correct
10 Correct 10 ms 4444 KB Output is correct
11 Correct 5 ms 4440 KB Output is correct
12 Correct 5 ms 4444 KB Output is correct
13 Correct 5 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4580 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 5 ms 4444 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 6 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 10 ms 4444 KB Output is correct
27 Correct 5 ms 4444 KB Output is correct
28 Correct 5 ms 4440 KB Output is correct
29 Correct 5 ms 4632 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 5 ms 4624 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 2 ms 4440 KB Output is correct
35 Correct 2 ms 4444 KB Output is correct
36 Correct 4 ms 4616 KB Output is correct
37 Correct 2 ms 4444 KB Output is correct
38 Correct 2 ms 4444 KB Output is correct
39 Correct 3 ms 4444 KB Output is correct
40 Correct 2 ms 4440 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4444 KB Output is correct
43 Correct 2 ms 4444 KB Output is correct
44 Correct 2 ms 4572 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4572 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 10 ms 4652 KB Output is correct
9 Correct 10 ms 4656 KB Output is correct
10 Correct 10 ms 4444 KB Output is correct
11 Correct 5 ms 4440 KB Output is correct
12 Correct 5 ms 4444 KB Output is correct
13 Correct 5 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4580 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 5 ms 4444 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 6 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 10 ms 4444 KB Output is correct
27 Correct 5 ms 4444 KB Output is correct
28 Correct 5 ms 4440 KB Output is correct
29 Correct 5 ms 4632 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 5 ms 4624 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 2 ms 4440 KB Output is correct
35 Correct 2 ms 4444 KB Output is correct
36 Correct 4 ms 4616 KB Output is correct
37 Correct 2 ms 4444 KB Output is correct
38 Correct 2 ms 4444 KB Output is correct
39 Correct 3 ms 4444 KB Output is correct
40 Correct 2 ms 4440 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4444 KB Output is correct
43 Correct 2 ms 4444 KB Output is correct
44 Correct 2 ms 4572 KB Output is correct
45 Correct 2 ms 4444 KB Output is correct
46 Correct 4 ms 4700 KB Output is correct
47 Correct 5 ms 4700 KB Output is correct
48 Correct 4 ms 4648 KB Output is correct
49 Correct 841 ms 5204 KB Output is correct
50 Correct 847 ms 5460 KB Output is correct
51 Correct 899 ms 5208 KB Output is correct
52 Correct 386 ms 4988 KB Output is correct
53 Correct 385 ms 5208 KB Output is correct
54 Correct 397 ms 5052 KB Output is correct
55 Correct 379 ms 5044 KB Output is correct
56 Correct 395 ms 5204 KB Output is correct
57 Correct 4 ms 4696 KB Output is correct
58 Correct 4 ms 4696 KB Output is correct
59 Correct 4 ms 4700 KB Output is correct
60 Correct 4 ms 4700 KB Output is correct
61 Correct 433 ms 5272 KB Output is correct
62 Correct 405 ms 4956 KB Output is correct
63 Correct 408 ms 4956 KB Output is correct
64 Correct 3 ms 4700 KB Output is correct
65 Correct 4 ms 4700 KB Output is correct
66 Correct 4 ms 4700 KB Output is correct
67 Correct 3 ms 4700 KB Output is correct
68 Correct 895 ms 5212 KB Output is correct
69 Correct 382 ms 4952 KB Output is correct
70 Correct 378 ms 4976 KB Output is correct
71 Correct 379 ms 4972 KB Output is correct
72 Correct 4 ms 4700 KB Output is correct
73 Correct 4 ms 4700 KB Output is correct
74 Correct 412 ms 4984 KB Output is correct
75 Correct 173 ms 4916 KB Output is correct
76 Correct 112 ms 4952 KB Output is correct
77 Correct 78 ms 4696 KB Output is correct
78 Correct 180 ms 5068 KB Output is correct
79 Correct 107 ms 4700 KB Output is correct
80 Correct 77 ms 4696 KB Output is correct
81 Correct 183 ms 4916 KB Output is correct
82 Correct 116 ms 4700 KB Output is correct
83 Correct 91 ms 4944 KB Output is correct
84 Correct 184 ms 4696 KB Output is correct
85 Correct 131 ms 4696 KB Output is correct
86 Correct 84 ms 4700 KB Output is correct

Subtask #3
0 / 84.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4572 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 4444 KB Output is correct
7 Correct 1 ms 4444 KB Output is correct
8 Correct 10 ms 4652 KB Output is correct
9 Correct 10 ms 4656 KB Output is correct
10 Correct 10 ms 4444 KB Output is correct
11 Correct 5 ms 4440 KB Output is correct
12 Correct 5 ms 4444 KB Output is correct
13 Correct 5 ms 4444 KB Output is correct
14 Correct 5 ms 4444 KB Output is correct
15 Correct 1 ms 4444 KB Output is correct
16 Correct 1 ms 4580 KB Output is correct
17 Correct 1 ms 4444 KB Output is correct
18 Correct 1 ms 4444 KB Output is correct
19 Correct 5 ms 4444 KB Output is correct
20 Correct 6 ms 4444 KB Output is correct
21 Correct 6 ms 4444 KB Output is correct
22 Correct 1 ms 4444 KB Output is correct
23 Correct 1 ms 4440 KB Output is correct
24 Correct 1 ms 4440 KB Output is correct
25 Correct 1 ms 4444 KB Output is correct
26 Correct 10 ms 4444 KB Output is correct
27 Correct 5 ms 4444 KB Output is correct
28 Correct 5 ms 4440 KB Output is correct
29 Correct 5 ms 4632 KB Output is correct
30 Correct 1 ms 4440 KB Output is correct
31 Correct 1 ms 4444 KB Output is correct
32 Correct 5 ms 4624 KB Output is correct
33 Correct 2 ms 4444 KB Output is correct
34 Correct 2 ms 4440 KB Output is correct
35 Correct 2 ms 4444 KB Output is correct
36 Correct 4 ms 4616 KB Output is correct
37 Correct 2 ms 4444 KB Output is correct
38 Correct 2 ms 4444 KB Output is correct
39 Correct 3 ms 4444 KB Output is correct
40 Correct 2 ms 4440 KB Output is correct
41 Correct 2 ms 4444 KB Output is correct
42 Correct 3 ms 4444 KB Output is correct
43 Correct 2 ms 4444 KB Output is correct
44 Correct 2 ms 4572 KB Output is correct
45 Correct 2 ms 4444 KB Output is correct
46 Correct 4 ms 4700 KB Output is correct
47 Correct 5 ms 4700 KB Output is correct
48 Correct 4 ms 4648 KB Output is correct
49 Correct 841 ms 5204 KB Output is correct
50 Correct 847 ms 5460 KB Output is correct
51 Correct 899 ms 5208 KB Output is correct
52 Correct 386 ms 4988 KB Output is correct
53 Correct 385 ms 5208 KB Output is correct
54 Correct 397 ms 5052 KB Output is correct
55 Correct 379 ms 5044 KB Output is correct
56 Correct 395 ms 5204 KB Output is correct
57 Correct 4 ms 4696 KB Output is correct
58 Correct 4 ms 4696 KB Output is correct
59 Correct 4 ms 4700 KB Output is correct
60 Correct 4 ms 4700 KB Output is correct
61 Correct 433 ms 5272 KB Output is correct
62 Correct 405 ms 4956 KB Output is correct
63 Correct 408 ms 4956 KB Output is correct
64 Correct 3 ms 4700 KB Output is correct
65 Correct 4 ms 4700 KB Output is correct
66 Correct 4 ms 4700 KB Output is correct
67 Correct 3 ms 4700 KB Output is correct
68 Correct 895 ms 5212 KB Output is correct
69 Correct 382 ms 4952 KB Output is correct
70 Correct 378 ms 4976 KB Output is correct
71 Correct 379 ms 4972 KB Output is correct
72 Correct 4 ms 4700 KB Output is correct
73 Correct 4 ms 4700 KB Output is correct
74 Correct 412 ms 4984 KB Output is correct
75 Correct 173 ms 4916 KB Output is correct
76 Correct 112 ms 4952 KB Output is correct
77 Correct 78 ms 4696 KB Output is correct
78 Correct 180 ms 5068 KB Output is correct
79 Correct 107 ms 4700 KB Output is correct
80 Correct 77 ms 4696 KB Output is correct
81 Correct 183 ms 4916 KB Output is correct
82 Correct 116 ms 4700 KB Output is correct
83 Correct 91 ms 4944 KB Output is correct
84 Correct 184 ms 4696 KB Output is correct
85 Correct 131 ms 4696 KB Output is correct
86 Correct 84 ms 4700 KB Output is correct
87 Correct 9 ms 7256 KB Output is correct
88 Correct 31 ms 8664 KB Output is correct
89 Correct 105 ms 18088 KB Output is correct
90 Correct 102 ms 18096 KB Output is correct
91 Correct 107 ms 18116 KB Output is correct
92 Execution timed out 2029 ms 25796 KB Time limit exceeded
93 Halted 0 ms 0 KB -