oj.uz

Submission #645212

# Submission time Handle Problem Language Result Execution time Memory
645212 2022-09-26T12:47:08 Z dattranxxx Split the Attractions (IOI19_split) C++17
100 / 100
 94 ms 19056 KB 
#include "split.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define fi first
#define se second
const int N = 1e5 + 5;
vector<int> adj[N];
int n, m; pair<int, int> x[3];

int low[N], in[N], siz[N], par[N], t = 0;
vector<int> ans;
int dfs1(int u, pair<int, int>& x) {
  ans[u] = x.se; x.fi--;
  if (x.fi == 0) return 1;
  for (int v : adj[u]) if (par[v] == u)
    if (dfs1(v, x)) return 1;
  return 0;
}
int dfs2(int u, pair<int, int>& y) {
  ans[u] = y.se; y.fi--;
  if (y.fi == 0) return 1;
  for (int v : adj[u]) if (ans[v] == x[2].se)
    if (dfs2(v, y)) return 1;
  return 0;
}
int dfs(int u, int p = -1) {
  int flag = 1;
  in[u] = low[u] = ++t, siz[u] = 1;
  for (int v : adj[u]) if (v != p) {
    if (in[v]) low[u] = min(low[u], in[v]); // back-edge
    else {
      par[v] = u;
      if (dfs(v, u)) return 1;
      low[u] = min(low[u], low[v]);
      siz[u] += siz[v];
      flag &= siz[v] < x[0].fi;
    }
  }
  flag &= siz[u] >= x[0].fi;
  if (!flag) 
    return 0;
  int P1 = siz[u], P2 = n - siz[u];
  for (int v : adj[u]) if (par[v] == u && low[v] < in[u] && P2 < x[0].fi)
    P1 -= siz[v], P2 += siz[v];
  if (P2 < x[0].fi) 
    return 0;
  if (P1 > P2) swap(x[0], x[1]);
  dfs1(u, x[0]); dfs2(p, x[1]);
  return 1;
}

vector<int> find_split(int _n, int a, int b, int c, vector<int> p, vector<int> q) {
  n = _n; m = p.size();
  x[0] = {a, 1}, x[1] = {b, 2}, x[2] = {c, 3};
  sort(x, x + 3);
  for (int i = 0, u, v; i < m; ++i)
    u = p[i], v = q[i],
    adj[u].emplace_back(v),
    adj[v].emplace_back(u);
  ans = vector<int>(n, x[2].se);
  if (dfs(0)) 
    return ans;
  return vector<int>(n, 0);
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 1 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 71 ms 18596 KB ok, correct split
8 Correct 46 ms 12792 KB ok, correct split
9 Correct 77 ms 15172 KB ok, correct split
10 Correct 65 ms 19056 KB ok, correct split
11 Correct 71 ms 19020 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 1 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 56 ms 9312 KB ok, correct split
5 Correct 43 ms 8268 KB ok, correct split
6 Correct 57 ms 18992 KB ok, correct split
7 Correct 60 ms 17192 KB ok, correct split
8 Correct 91 ms 10680 KB ok, correct split
9 Correct 50 ms 9824 KB ok, correct split
10 Correct 36 ms 8524 KB ok, correct split
11 Correct 40 ms 8560 KB ok, correct split
12 Correct 40 ms 8560 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB ok, correct split
2 Correct 51 ms 9788 KB ok, correct split
3 Correct 18 ms 5412 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 57 ms 12808 KB ok, correct split
6 Correct 68 ms 12444 KB ok, correct split
7 Correct 60 ms 12192 KB ok, correct split
8 Correct 68 ms 13900 KB ok, correct split
9 Correct 61 ms 12024 KB ok, correct split
10 Correct 15 ms 4976 KB ok, no valid answer
11 Correct 25 ms 6220 KB ok, no valid answer
12 Correct 46 ms 9936 KB ok, no valid answer
13 Correct 48 ms 9820 KB ok, no valid answer
14 Correct 39 ms 10088 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB ok, correct split
2 Correct 1 ms 2644 KB ok, no valid answer
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 2 ms 2644 KB ok, correct split
7 Correct 2 ms 2644 KB ok, correct split
8 Correct 3 ms 2644 KB ok, correct split
9 Correct 3 ms 2900 KB ok, correct split
10 Correct 3 ms 2772 KB ok, correct split
11 Correct 2 ms 2644 KB ok, correct split
12 Correct 3 ms 2820 KB ok, correct split
13 Correct 1 ms 2644 KB ok, correct split
14 Correct 1 ms 2644 KB ok, correct split
15 Correct 1 ms 2644 KB ok, correct split
16 Correct 2 ms 2644 KB ok, correct split
17 Correct 1 ms 2644 KB ok, correct split
18 Correct 1 ms 2660 KB ok, correct split
19 Correct 1 ms 2660 KB ok, correct split
20 Correct 2 ms 2772 KB ok, correct split
21 Correct 2 ms 2900 KB ok, correct split
22 Correct 3 ms 2772 KB ok, correct split
23 Correct 2 ms 2900 KB ok, correct split
24 Correct 2 ms 2900 KB ok, correct split
25 Correct 3 ms 2900 KB ok, correct split
26 Correct 3 ms 2900 KB ok, correct split
27 Correct 3 ms 2900 KB ok, correct split
28 Correct 3 ms 2772 KB ok, correct split
29 Correct 1 ms 2644 KB ok, correct split
30 Correct 3 ms 2900 KB ok, correct split
31 Correct 2 ms 2644 KB ok, correct split
32 Correct 2 ms 2644 KB ok, correct split
33 Correct 2 ms 2644 KB ok, correct split
34 Correct 3 ms 2772 KB ok, correct split
35 Correct 3 ms 2772 KB ok, correct split
36 Correct 3 ms 2772 KB ok, correct split
37 Correct 3 ms 2772 KB ok, correct split
38 Correct 3 ms 2900 KB ok, correct split
39 Correct 3 ms 2900 KB ok, correct split
40 Correct 4 ms 2772 KB ok, correct split
41 Correct 2 ms 2772 KB ok, correct split
42 Correct 2 ms 2772 KB ok, correct split
43 Correct 3 ms 2900 KB ok, correct split
44 Correct 3 ms 2772 KB ok, correct split
45 Correct 3 ms 2772 KB ok, correct split
46 Correct 2 ms 2900 KB ok, correct split
47 Correct 2 ms 2900 KB ok, no valid answer
48 Correct 3 ms 2772 KB ok, correct split
49 Correct 2 ms 2900 KB ok, correct split
50 Correct 1 ms 2644 KB ok, no valid answer
51 Correct 1 ms 2644 KB ok, no valid answer
52 Correct 3 ms 2772 KB ok, no valid answer
53 Correct 3 ms 2900 KB ok, no valid answer
54 Correct 3 ms 2772 KB ok, no valid answer
55 Correct 3 ms 2772 KB ok, no valid answer
56 Correct 3 ms 2772 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 1 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 71 ms 18596 KB ok, correct split
8 Correct 46 ms 12792 KB ok, correct split
9 Correct 77 ms 15172 KB ok, correct split
10 Correct 65 ms 19056 KB ok, correct split
11 Correct 71 ms 19020 KB ok, correct split
12 Correct 2 ms 2644 KB ok, correct split
13 Correct 1 ms 2644 KB ok, correct split
14 Correct 1 ms 2644 KB ok, correct split
15 Correct 56 ms 9312 KB ok, correct split
16 Correct 43 ms 8268 KB ok, correct split
17 Correct 57 ms 18992 KB ok, correct split
18 Correct 60 ms 17192 KB ok, correct split
19 Correct 91 ms 10680 KB ok, correct split
20 Correct 50 ms 9824 KB ok, correct split
21 Correct 36 ms 8524 KB ok, correct split
22 Correct 40 ms 8560 KB ok, correct split
23 Correct 40 ms 8560 KB ok, correct split
24 Correct 1 ms 2644 KB ok, correct split
25 Correct 51 ms 9788 KB ok, correct split
26 Correct 18 ms 5412 KB ok, correct split
27 Correct 1 ms 2644 KB ok, correct split
28 Correct 57 ms 12808 KB ok, correct split
29 Correct 68 ms 12444 KB ok, correct split
30 Correct 60 ms 12192 KB ok, correct split
31 Correct 68 ms 13900 KB ok, correct split
32 Correct 61 ms 12024 KB ok, correct split
33 Correct 15 ms 4976 KB ok, no valid answer
34 Correct 25 ms 6220 KB ok, no valid answer
35 Correct 46 ms 9936 KB ok, no valid answer
36 Correct 48 ms 9820 KB ok, no valid answer
37 Correct 39 ms 10088 KB ok, no valid answer
38 Correct 1 ms 2644 KB ok, correct split
39 Correct 1 ms 2644 KB ok, no valid answer
40 Correct 1 ms 2644 KB ok, correct split
41 Correct 1 ms 2644 KB ok, correct split
42 Correct 2 ms 2644 KB ok, correct split
43 Correct 2 ms 2644 KB ok, correct split
44 Correct 2 ms 2644 KB ok, correct split
45 Correct 3 ms 2644 KB ok, correct split
46 Correct 3 ms 2900 KB ok, correct split
47 Correct 3 ms 2772 KB ok, correct split
48 Correct 2 ms 2644 KB ok, correct split
49 Correct 3 ms 2820 KB ok, correct split
50 Correct 1 ms 2644 KB ok, correct split
51 Correct 1 ms 2644 KB ok, correct split
52 Correct 1 ms 2644 KB ok, correct split
53 Correct 2 ms 2644 KB ok, correct split
54 Correct 1 ms 2644 KB ok, correct split
55 Correct 1 ms 2660 KB ok, correct split
56 Correct 1 ms 2660 KB ok, correct split
57 Correct 2 ms 2772 KB ok, correct split
58 Correct 2 ms 2900 KB ok, correct split
59 Correct 3 ms 2772 KB ok, correct split
60 Correct 2 ms 2900 KB ok, correct split
61 Correct 2 ms 2900 KB ok, correct split
62 Correct 3 ms 2900 KB ok, correct split
63 Correct 3 ms 2900 KB ok, correct split
64 Correct 3 ms 2900 KB ok, correct split
65 Correct 3 ms 2772 KB ok, correct split
66 Correct 1 ms 2644 KB ok, correct split
67 Correct 3 ms 2900 KB ok, correct split
68 Correct 2 ms 2644 KB ok, correct split
69 Correct 2 ms 2644 KB ok, correct split
70 Correct 2 ms 2644 KB ok, correct split
71 Correct 3 ms 2772 KB ok, correct split
72 Correct 3 ms 2772 KB ok, correct split
73 Correct 3 ms 2772 KB ok, correct split
74 Correct 3 ms 2772 KB ok, correct split
75 Correct 3 ms 2900 KB ok, correct split
76 Correct 3 ms 2900 KB ok, correct split
77 Correct 4 ms 2772 KB ok, correct split
78 Correct 2 ms 2772 KB ok, correct split
79 Correct 2 ms 2772 KB ok, correct split
80 Correct 3 ms 2900 KB ok, correct split
81 Correct 3 ms 2772 KB ok, correct split
82 Correct 3 ms 2772 KB ok, correct split
83 Correct 2 ms 2900 KB ok, correct split
84 Correct 2 ms 2900 KB ok, no valid answer
85 Correct 3 ms 2772 KB ok, correct split
86 Correct 2 ms 2900 KB ok, correct split
87 Correct 1 ms 2644 KB ok, no valid answer
88 Correct 1 ms 2644 KB ok, no valid answer
89 Correct 3 ms 2772 KB ok, no valid answer
90 Correct 3 ms 2900 KB ok, no valid answer
91 Correct 3 ms 2772 KB ok, no valid answer
92 Correct 3 ms 2772 KB ok, no valid answer
93 Correct 3 ms 2772 KB ok, no valid answer
94 Correct 61 ms 13388 KB ok, correct split
95 Correct 94 ms 17912 KB ok, correct split
96 Correct 86 ms 16440 KB ok, correct split
97 Correct 17 ms 4860 KB ok, correct split
98 Correct 18 ms 5588 KB ok, correct split
99 Correct 33 ms 7796 KB ok, correct split
100 Correct 73 ms 12560 KB ok, correct split
101 Correct 68 ms 11672 KB ok, correct split
102 Correct 59 ms 11076 KB ok, correct split
103 Correct 56 ms 9796 KB ok, correct split
104 Correct 64 ms 12188 KB ok, correct split
105 Correct 33 ms 6996 KB ok, correct split
106 Correct 74 ms 12000 KB ok, correct split
107 Correct 55 ms 9720 KB ok, correct split
108 Correct 51 ms 9732 KB ok, correct split
109 Correct 84 ms 11976 KB ok, correct split
110 Correct 90 ms 11584 KB ok, correct split
111 Correct 89 ms 11716 KB ok, correct split
112 Correct 82 ms 11904 KB ok, correct split
113 Correct 90 ms 11892 KB ok, correct split
114 Correct 9 ms 3992 KB ok, correct split
115 Correct 10 ms 3796 KB ok, correct split
116 Correct 73 ms 11636 KB ok, correct split
117 Correct 75 ms 11624 KB ok, correct split
118 Correct 61 ms 9848 KB ok, correct split
119 Correct 53 ms 9684 KB ok, correct split
120 Correct 56 ms 14668 KB ok, correct split
121 Correct 48 ms 9732 KB ok, no valid answer
122 Correct 65 ms 9844 KB ok, no valid answer
123 Correct 88 ms 12872 KB ok, no valid answer
124 Correct 82 ms 12672 KB ok, no valid answer
125 Correct 53 ms 10436 KB ok, no valid answer
126 Correct 37 ms 9344 KB ok, no valid answer
127 Correct 58 ms 10828 KB ok, no valid answer