oj.uz

답안 #655340

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
655340 2022-11-03T22:16:00 Z dooompy Split the Attractions (IOI19_split) C++17
100 / 100
 96 ms 20220 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] && (P1 - siz[v]) >= 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

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 71 ms 19692 KB ok, correct split
8 Correct 55 ms 13900 KB ok, correct split
9 Correct 61 ms 16364 KB ok, correct split
10 Correct 62 ms 20192 KB ok, correct split
11 Correct 64 ms 20196 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 60 ms 11104 KB ok, correct split
5 Correct 45 ms 9328 KB ok, correct split
6 Correct 60 ms 20220 KB ok, correct split
7 Correct 60 ms 18280 KB ok, correct split
8 Correct 77 ms 12856 KB ok, correct split
9 Correct 47 ms 10972 KB ok, correct split
10 Correct 39 ms 9284 KB ok, correct split
11 Correct 42 ms 9340 KB ok, correct split
12 Correct 40 ms 9712 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2688 KB ok, correct split
2 Correct 57 ms 10944 KB ok, correct split
3 Correct 18 ms 5920 KB ok, correct split
4 Correct 2 ms 2656 KB ok, correct split
5 Correct 59 ms 13900 KB ok, correct split
6 Correct 54 ms 13604 KB ok, correct split
7 Correct 61 ms 13432 KB ok, correct split
8 Correct 61 ms 15052 KB ok, correct split
9 Correct 61 ms 13200 KB ok, correct split
10 Correct 16 ms 5332 KB ok, no valid answer
11 Correct 25 ms 6860 KB ok, no valid answer
12 Correct 47 ms 11100 KB ok, no valid answer
13 Correct 49 ms 10916 KB ok, no valid answer
14 Correct 43 ms 11204 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, no valid answer
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 1 ms 2652 KB ok, correct split
5 Correct 2 ms 2656 KB ok, correct split
6 Correct 2 ms 2644 KB ok, correct split
7 Correct 1 ms 2644 KB ok, correct split
8 Correct 2 ms 2644 KB ok, correct split
9 Correct 4 ms 2992 KB ok, correct split
10 Correct 4 ms 2920 KB ok, correct split
11 Correct 2 ms 2644 KB ok, correct split
12 Correct 3 ms 2900 KB ok, correct split
13 Correct 2 ms 2644 KB ok, correct split
14 Correct 2 ms 2644 KB ok, correct split
15 Correct 2 ms 2644 KB ok, correct split
16 Correct 2 ms 2644 KB ok, correct split
17 Correct 2 ms 2644 KB ok, correct split
18 Correct 2 ms 2656 KB ok, correct split
19 Correct 2 ms 2644 KB ok, correct split
20 Correct 2 ms 2772 KB ok, correct split
21 Correct 3 ms 2824 KB ok, correct split
22 Correct 3 ms 2900 KB ok, correct split
23 Correct 2 ms 2900 KB ok, correct split
24 Correct 3 ms 2900 KB ok, correct split
25 Correct 3 ms 2900 KB ok, correct split
26 Correct 3 ms 2924 KB ok, correct split
27 Correct 3 ms 2900 KB ok, correct split
28 Correct 3 ms 2900 KB ok, correct split
29 Correct 2 ms 2644 KB ok, correct split
30 Correct 3 ms 2900 KB ok, correct split
31 Correct 2 ms 2664 KB ok, correct split
32 Correct 2 ms 2652 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 2796 KB ok, correct split
36 Correct 3 ms 2772 KB ok, correct split
37 Correct 3 ms 2900 KB ok, correct split
38 Correct 3 ms 2900 KB ok, correct split
39 Correct 3 ms 2900 KB ok, correct split
40 Correct 3 ms 2900 KB ok, correct split
41 Correct 3 ms 2772 KB ok, correct split
42 Correct 3 ms 2772 KB ok, correct split
43 Correct 4 ms 2900 KB ok, correct split
44 Correct 3 ms 2928 KB ok, correct split
45 Correct 3 ms 2900 KB ok, correct split
46 Correct 3 ms 2924 KB ok, correct split
47 Correct 3 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 2 ms 2644 KB ok, no valid answer
51 Correct 2 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 2900 KB ok, no valid answer
56 Correct 4 ms 2792 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 2 ms 2644 KB ok, correct split
3 Correct 2 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 2 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 71 ms 19692 KB ok, correct split
8 Correct 55 ms 13900 KB ok, correct split
9 Correct 61 ms 16364 KB ok, correct split
10 Correct 62 ms 20192 KB ok, correct split
11 Correct 64 ms 20196 KB ok, correct split
12 Correct 2 ms 2644 KB ok, correct split
13 Correct 2 ms 2644 KB ok, correct split
14 Correct 2 ms 2644 KB ok, correct split
15 Correct 60 ms 11104 KB ok, correct split
16 Correct 45 ms 9328 KB ok, correct split
17 Correct 60 ms 20220 KB ok, correct split
18 Correct 60 ms 18280 KB ok, correct split
19 Correct 77 ms 12856 KB ok, correct split
20 Correct 47 ms 10972 KB ok, correct split
21 Correct 39 ms 9284 KB ok, correct split
22 Correct 42 ms 9340 KB ok, correct split
23 Correct 40 ms 9712 KB ok, correct split
24 Correct 2 ms 2688 KB ok, correct split
25 Correct 57 ms 10944 KB ok, correct split
26 Correct 18 ms 5920 KB ok, correct split
27 Correct 2 ms 2656 KB ok, correct split
28 Correct 59 ms 13900 KB ok, correct split
29 Correct 54 ms 13604 KB ok, correct split
30 Correct 61 ms 13432 KB ok, correct split
31 Correct 61 ms 15052 KB ok, correct split
32 Correct 61 ms 13200 KB ok, correct split
33 Correct 16 ms 5332 KB ok, no valid answer
34 Correct 25 ms 6860 KB ok, no valid answer
35 Correct 47 ms 11100 KB ok, no valid answer
36 Correct 49 ms 10916 KB ok, no valid answer
37 Correct 43 ms 11204 KB ok, no valid answer
38 Correct 2 ms 2644 KB ok, correct split
39 Correct 2 ms 2644 KB ok, no valid answer
40 Correct 2 ms 2644 KB ok, correct split
41 Correct 1 ms 2652 KB ok, correct split
42 Correct 2 ms 2656 KB ok, correct split
43 Correct 2 ms 2644 KB ok, correct split
44 Correct 1 ms 2644 KB ok, correct split
45 Correct 2 ms 2644 KB ok, correct split
46 Correct 4 ms 2992 KB ok, correct split
47 Correct 4 ms 2920 KB ok, correct split
48 Correct 2 ms 2644 KB ok, correct split
49 Correct 3 ms 2900 KB ok, correct split
50 Correct 2 ms 2644 KB ok, correct split
51 Correct 2 ms 2644 KB ok, correct split
52 Correct 2 ms 2644 KB ok, correct split
53 Correct 2 ms 2644 KB ok, correct split
54 Correct 2 ms 2644 KB ok, correct split
55 Correct 2 ms 2656 KB ok, correct split
56 Correct 2 ms 2644 KB ok, correct split
57 Correct 2 ms 2772 KB ok, correct split
58 Correct 3 ms 2824 KB ok, correct split
59 Correct 3 ms 2900 KB ok, correct split
60 Correct 2 ms 2900 KB ok, correct split
61 Correct 3 ms 2900 KB ok, correct split
62 Correct 3 ms 2900 KB ok, correct split
63 Correct 3 ms 2924 KB ok, correct split
64 Correct 3 ms 2900 KB ok, correct split
65 Correct 3 ms 2900 KB ok, correct split
66 Correct 2 ms 2644 KB ok, correct split
67 Correct 3 ms 2900 KB ok, correct split
68 Correct 2 ms 2664 KB ok, correct split
69 Correct 2 ms 2652 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 2796 KB ok, correct split
73 Correct 3 ms 2772 KB ok, correct split
74 Correct 3 ms 2900 KB ok, correct split
75 Correct 3 ms 2900 KB ok, correct split
76 Correct 3 ms 2900 KB ok, correct split
77 Correct 3 ms 2900 KB ok, correct split
78 Correct 3 ms 2772 KB ok, correct split
79 Correct 3 ms 2772 KB ok, correct split
80 Correct 4 ms 2900 KB ok, correct split
81 Correct 3 ms 2928 KB ok, correct split
82 Correct 3 ms 2900 KB ok, correct split
83 Correct 3 ms 2924 KB ok, correct split
84 Correct 3 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 2 ms 2644 KB ok, no valid answer
88 Correct 2 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 2900 KB ok, no valid answer
93 Correct 4 ms 2792 KB ok, no valid answer
94 Correct 64 ms 14800 KB ok, correct split
95 Correct 96 ms 20220 KB ok, correct split
96 Correct 93 ms 18488 KB ok, correct split
97 Correct 18 ms 5348 KB ok, correct split
98 Correct 19 ms 6100 KB ok, correct split
99 Correct 35 ms 8876 KB ok, correct split
100 Correct 73 ms 14832 KB ok, correct split
101 Correct 67 ms 13680 KB ok, correct split
102 Correct 75 ms 12868 KB ok, correct split
103 Correct 60 ms 11640 KB ok, correct split
104 Correct 74 ms 14392 KB ok, correct split
105 Correct 33 ms 7772 KB ok, correct split
106 Correct 72 ms 14156 KB ok, correct split
107 Correct 64 ms 10992 KB ok, correct split
108 Correct 58 ms 10940 KB ok, correct split
109 Correct 94 ms 14116 KB ok, correct split
110 Correct 92 ms 13920 KB ok, correct split
111 Correct 84 ms 14004 KB ok, correct split
112 Correct 89 ms 14204 KB ok, correct split
113 Correct 90 ms 14284 KB ok, correct split
114 Correct 10 ms 4180 KB ok, correct split
115 Correct 10 ms 3948 KB ok, correct split
116 Correct 76 ms 13952 KB ok, correct split
117 Correct 79 ms 13884 KB ok, correct split
118 Correct 57 ms 10892 KB ok, correct split
119 Correct 57 ms 10976 KB ok, correct split
120 Correct 58 ms 15832 KB ok, correct split
121 Correct 50 ms 10888 KB ok, no valid answer
122 Correct 50 ms 10980 KB ok, no valid answer
123 Correct 89 ms 15092 KB ok, no valid answer
124 Correct 85 ms 14908 KB ok, no valid answer
125 Correct 54 ms 11972 KB ok, no valid answer
126 Correct 38 ms 10336 KB ok, no valid answer
127 Correct 62 ms 12520 KB ok, no valid answer