oj.uz

답안 #278418

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
278418 2020-08-21T12:31:56 Z Kastanda Split the Attractions (IOI19_split) C++14
100 / 100
 214 ms 26220 KB 
// M
#include<bits/stdc++.h>
#include "split.h"
using namespace std;
const int N = 100005;
int n, K[3], Cl[3], M[N], SZ[N], MR[N];
vector < int > C, vec, Adj[N], Ad[N], G[N];
void DFS(int v)
{
        M[v] = SZ[v] = 1;
        for (int u : Adj[v])
                if (!M[u])
                {
                        Ad[v].push_back(u);
                        Ad[u].push_back(v);
                        DFS(u);
                        SZ[v] += SZ[u];
                }
}
int Centroid(int v, int p = -1)
{
        for (int u : Ad[v])
                if (u != p && SZ[u] * 2 > n)
                        return Centroid(u, v);
        return v;
}
void DFS2(int v, int p = -1)
{
        SZ[v] = 1;
        for (int u : Ad[v])
                if (u != p)
                        DFS2(u, v), SZ[v] += SZ[u];
}
void Color(int v, int p, int c)
{
        if (!K[c])
                return ;
        C[v] = Cl[c];
        K[c] --;
        for (int u : Ad[v])
                if (u != p && !C[u])
                        Color(u, v, c);
}
void MarkAs(int v, int p, int mr)
{
        MR[v] = mr;
        for (int u : Ad[v])
                if (u != p)
                        MarkAs(u, v, mr);
}
void Go(int v)
{
        M[v] = 1;
        vec.push_back(v);
        for (int u : G[v])
                if (!M[u]) Go(u);
}
vector < int > find_split(int _n, int a, int b, int c, vector < int > V, vector < int > U)
{
        n = _n;
        K[0] = a; K[1] = b; K[2] = c;
        Cl[0] = 1; Cl[1] = 2; Cl[2] = 3;
        for (int i = 0; i < 3; i ++)
                for (int j = i + 1; j < 3; j ++)
                        if (K[i] > K[j])
                                swap(K[i], K[j]), swap(Cl[i], Cl[j]);
        assert(K[0] <= K[1] && K[1] <= K[2]);
        int m = (int)V.size();
        for (int i = 0; i < m; i ++)
        {
                Adj[V[i]].push_back(U[i]);
                Adj[U[i]].push_back(V[i]);
        }
        DFS(0);
        int Cent = Centroid(0);
        DFS2(Cent);

        C = vector < int > (n, 0);
        for (int u : Ad[Cent])
                if (SZ[u] >= K[0])
                {
                        Color(u, Cent, 0);
                        Color(Cent, -1, 1);
                        for (int i = 0; i < n; i ++)
                                if (!C[i])
                                        C[i] = Cl[2];
                        return C;
                }

        for (int u : Ad[Cent])
                MarkAs(u, Cent, u);

        for (int i = 0; i < m; i ++)
                if (V[i] != Cent && U[i] != Cent && MR[V[i]] != MR[U[i]])
                        G[MR[V[i]]].push_back(MR[U[i]]),
                        G[MR[U[i]]].push_back(MR[V[i]]);
        memset(M, 0, sizeof(M));
        for (int u : Ad[Cent])
                if (!M[u])
                {
                        vec.clear();
                        Go(u);
                        int sz = 0;
                        for (int i = 0; i < (int)vec.size(); i ++)
                        {
                                sz += SZ[vec[i]];
                                if (sz >= K[0])
                                {
                                        for (int j = 0; j <= i; j ++)
                                                Color(vec[j], Cent, 0);
                                        Color(Cent, -1, 1);
                                        for (int i = 0; i < n; i ++)
                                                if (!C[i])
                                                        C[i] = Cl[2];
                                        return C;
                                }
                        }
                }
        return C;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB ok, correct split
2 Correct 5 ms 7424 KB ok, correct split
3 Correct 5 ms 7424 KB ok, correct split
4 Correct 5 ms 7424 KB ok, correct split
5 Correct 5 ms 7424 KB ok, correct split
6 Correct 5 ms 7424 KB ok, correct split
7 Correct 148 ms 23048 KB ok, correct split
8 Correct 130 ms 21060 KB ok, correct split
9 Correct 171 ms 20600 KB ok, correct split
10 Correct 149 ms 23160 KB ok, correct split
11 Correct 131 ms 23160 KB ok, correct split

Subtask #2
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB ok, correct split
2 Correct 5 ms 7424 KB ok, correct split
3 Correct 5 ms 7424 KB ok, correct split
4 Correct 152 ms 20728 KB ok, correct split
5 Correct 120 ms 17144 KB ok, correct split
6 Correct 138 ms 23288 KB ok, correct split
7 Correct 143 ms 20856 KB ok, correct split
8 Correct 189 ms 18808 KB ok, correct split
9 Correct 127 ms 16888 KB ok, correct split
10 Correct 100 ms 17648 KB ok, correct split
11 Correct 89 ms 17776 KB ok, correct split
12 Correct 89 ms 17652 KB ok, correct split

Subtask #3
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB ok, correct split
2 Correct 112 ms 17016 KB ok, correct split
3 Correct 41 ms 11384 KB ok, correct split
4 Correct 5 ms 7424 KB ok, correct split
5 Correct 125 ms 18988 KB ok, correct split
6 Correct 124 ms 18680 KB ok, correct split
7 Correct 137 ms 18680 KB ok, correct split
8 Correct 124 ms 19704 KB ok, correct split
9 Correct 122 ms 18680 KB ok, correct split
10 Correct 34 ms 11000 KB ok, no valid answer
11 Correct 52 ms 12536 KB ok, no valid answer
12 Correct 99 ms 17652 KB ok, no valid answer
13 Correct 116 ms 17528 KB ok, no valid answer
14 Correct 87 ms 18032 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB ok, correct split
2 Correct 5 ms 7808 KB ok, no valid answer
3 Correct 5 ms 7424 KB ok, correct split
4 Correct 5 ms 7424 KB ok, correct split
5 Correct 6 ms 7424 KB ok, correct split
6 Correct 5 ms 7424 KB ok, correct split
7 Correct 6 ms 7424 KB ok, correct split
8 Correct 5 ms 7424 KB ok, correct split
9 Correct 8 ms 7680 KB ok, correct split
10 Correct 8 ms 7680 KB ok, correct split
11 Correct 5 ms 7424 KB ok, correct split
12 Correct 8 ms 7680 KB ok, correct split
13 Correct 5 ms 7424 KB ok, correct split
14 Correct 5 ms 7424 KB ok, correct split
15 Correct 5 ms 7424 KB ok, correct split
16 Correct 5 ms 7424 KB ok, correct split
17 Correct 5 ms 7424 KB ok, correct split
18 Correct 5 ms 7424 KB ok, correct split
19 Correct 5 ms 7424 KB ok, correct split
20 Correct 6 ms 7424 KB ok, correct split
21 Correct 7 ms 7680 KB ok, correct split
22 Correct 7 ms 7680 KB ok, correct split
23 Correct 7 ms 7680 KB ok, correct split
24 Correct 7 ms 7680 KB ok, correct split
25 Correct 9 ms 7680 KB ok, correct split
26 Correct 10 ms 8192 KB ok, correct split
27 Correct 8 ms 8192 KB ok, correct split
28 Correct 8 ms 8192 KB ok, correct split
29 Correct 7 ms 7808 KB ok, correct split
30 Correct 8 ms 7680 KB ok, correct split
31 Correct 6 ms 7424 KB ok, correct split
32 Correct 6 ms 7424 KB ok, correct split
33 Correct 6 ms 7424 KB ok, correct split
34 Correct 8 ms 8192 KB ok, correct split
35 Correct 8 ms 8064 KB ok, correct split
36 Correct 9 ms 8064 KB ok, correct split
37 Correct 10 ms 8320 KB ok, correct split
38 Correct 9 ms 8192 KB ok, correct split
39 Correct 9 ms 8192 KB ok, correct split
40 Correct 10 ms 7680 KB ok, correct split
41 Correct 7 ms 7584 KB ok, correct split
42 Correct 7 ms 7552 KB ok, correct split
43 Correct 10 ms 8192 KB ok, correct split
44 Correct 8 ms 7680 KB ok, correct split
45 Correct 8 ms 8192 KB ok, correct split
46 Correct 7 ms 7680 KB ok, correct split
47 Correct 7 ms 8064 KB ok, no valid answer
48 Correct 8 ms 7680 KB ok, correct split
49 Correct 7 ms 7680 KB ok, correct split
50 Correct 5 ms 7808 KB ok, no valid answer
51 Correct 5 ms 7808 KB ok, no valid answer
52 Correct 7 ms 8064 KB ok, no valid answer
53 Correct 10 ms 8064 KB ok, no valid answer
54 Correct 7 ms 8064 KB ok, no valid answer
55 Correct 8 ms 8052 KB ok, no valid answer
56 Correct 8 ms 8064 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 7424 KB ok, correct split
2 Correct 5 ms 7424 KB ok, correct split
3 Correct 5 ms 7424 KB ok, correct split
4 Correct 5 ms 7424 KB ok, correct split
5 Correct 5 ms 7424 KB ok, correct split
6 Correct 5 ms 7424 KB ok, correct split
7 Correct 148 ms 23048 KB ok, correct split
8 Correct 130 ms 21060 KB ok, correct split
9 Correct 171 ms 20600 KB ok, correct split
10 Correct 149 ms 23160 KB ok, correct split
11 Correct 131 ms 23160 KB ok, correct split
12 Correct 5 ms 7424 KB ok, correct split
13 Correct 5 ms 7424 KB ok, correct split
14 Correct 5 ms 7424 KB ok, correct split
15 Correct 152 ms 20728 KB ok, correct split
16 Correct 120 ms 17144 KB ok, correct split
17 Correct 138 ms 23288 KB ok, correct split
18 Correct 143 ms 20856 KB ok, correct split
19 Correct 189 ms 18808 KB ok, correct split
20 Correct 127 ms 16888 KB ok, correct split
21 Correct 100 ms 17648 KB ok, correct split
22 Correct 89 ms 17776 KB ok, correct split
23 Correct 89 ms 17652 KB ok, correct split
24 Correct 5 ms 7424 KB ok, correct split
25 Correct 112 ms 17016 KB ok, correct split
26 Correct 41 ms 11384 KB ok, correct split
27 Correct 5 ms 7424 KB ok, correct split
28 Correct 125 ms 18988 KB ok, correct split
29 Correct 124 ms 18680 KB ok, correct split
30 Correct 137 ms 18680 KB ok, correct split
31 Correct 124 ms 19704 KB ok, correct split
32 Correct 122 ms 18680 KB ok, correct split
33 Correct 34 ms 11000 KB ok, no valid answer
34 Correct 52 ms 12536 KB ok, no valid answer
35 Correct 99 ms 17652 KB ok, no valid answer
36 Correct 116 ms 17528 KB ok, no valid answer
37 Correct 87 ms 18032 KB ok, no valid answer
38 Correct 5 ms 7424 KB ok, correct split
39 Correct 5 ms 7808 KB ok, no valid answer
40 Correct 5 ms 7424 KB ok, correct split
41 Correct 5 ms 7424 KB ok, correct split
42 Correct 6 ms 7424 KB ok, correct split
43 Correct 5 ms 7424 KB ok, correct split
44 Correct 6 ms 7424 KB ok, correct split
45 Correct 5 ms 7424 KB ok, correct split
46 Correct 8 ms 7680 KB ok, correct split
47 Correct 8 ms 7680 KB ok, correct split
48 Correct 5 ms 7424 KB ok, correct split
49 Correct 8 ms 7680 KB ok, correct split
50 Correct 5 ms 7424 KB ok, correct split
51 Correct 5 ms 7424 KB ok, correct split
52 Correct 5 ms 7424 KB ok, correct split
53 Correct 5 ms 7424 KB ok, correct split
54 Correct 5 ms 7424 KB ok, correct split
55 Correct 5 ms 7424 KB ok, correct split
56 Correct 5 ms 7424 KB ok, correct split
57 Correct 6 ms 7424 KB ok, correct split
58 Correct 7 ms 7680 KB ok, correct split
59 Correct 7 ms 7680 KB ok, correct split
60 Correct 7 ms 7680 KB ok, correct split
61 Correct 7 ms 7680 KB ok, correct split
62 Correct 9 ms 7680 KB ok, correct split
63 Correct 10 ms 8192 KB ok, correct split
64 Correct 8 ms 8192 KB ok, correct split
65 Correct 8 ms 8192 KB ok, correct split
66 Correct 7 ms 7808 KB ok, correct split
67 Correct 8 ms 7680 KB ok, correct split
68 Correct 6 ms 7424 KB ok, correct split
69 Correct 6 ms 7424 KB ok, correct split
70 Correct 6 ms 7424 KB ok, correct split
71 Correct 8 ms 8192 KB ok, correct split
72 Correct 8 ms 8064 KB ok, correct split
73 Correct 9 ms 8064 KB ok, correct split
74 Correct 10 ms 8320 KB ok, correct split
75 Correct 9 ms 8192 KB ok, correct split
76 Correct 9 ms 8192 KB ok, correct split
77 Correct 10 ms 7680 KB ok, correct split
78 Correct 7 ms 7584 KB ok, correct split
79 Correct 7 ms 7552 KB ok, correct split
80 Correct 10 ms 8192 KB ok, correct split
81 Correct 8 ms 7680 KB ok, correct split
82 Correct 8 ms 8192 KB ok, correct split
83 Correct 7 ms 7680 KB ok, correct split
84 Correct 7 ms 8064 KB ok, no valid answer
85 Correct 8 ms 7680 KB ok, correct split
86 Correct 7 ms 7680 KB ok, correct split
87 Correct 5 ms 7808 KB ok, no valid answer
88 Correct 5 ms 7808 KB ok, no valid answer
89 Correct 7 ms 8064 KB ok, no valid answer
90 Correct 10 ms 8064 KB ok, no valid answer
91 Correct 7 ms 8064 KB ok, no valid answer
92 Correct 8 ms 8052 KB ok, no valid answer
93 Correct 8 ms 8064 KB ok, no valid answer
94 Correct 147 ms 20728 KB ok, correct split
95 Correct 191 ms 25080 KB ok, correct split
96 Correct 201 ms 23672 KB ok, correct split
97 Correct 42 ms 11768 KB ok, correct split
98 Correct 44 ms 11768 KB ok, correct split
99 Correct 66 ms 13820 KB ok, correct split
100 Correct 188 ms 21624 KB ok, correct split
101 Correct 162 ms 20600 KB ok, correct split
102 Correct 140 ms 20336 KB ok, correct split
103 Correct 136 ms 20080 KB ok, correct split
104 Correct 150 ms 22116 KB ok, correct split
105 Correct 68 ms 14712 KB ok, correct split
106 Correct 154 ms 26220 KB ok, correct split
107 Correct 125 ms 18552 KB ok, correct split
108 Correct 120 ms 18552 KB ok, correct split
109 Correct 169 ms 21368 KB ok, correct split
110 Correct 188 ms 22564 KB ok, correct split
111 Correct 211 ms 22640 KB ok, correct split
112 Correct 185 ms 22896 KB ok, correct split
113 Correct 190 ms 22896 KB ok, correct split
114 Correct 19 ms 9088 KB ok, correct split
115 Correct 18 ms 8832 KB ok, correct split
116 Correct 214 ms 22644 KB ok, correct split
117 Correct 179 ms 22384 KB ok, correct split
118 Correct 115 ms 18040 KB ok, correct split
119 Correct 117 ms 18040 KB ok, correct split
120 Correct 122 ms 21312 KB ok, correct split
121 Correct 112 ms 18552 KB ok, no valid answer
122 Correct 110 ms 18684 KB ok, no valid answer
123 Correct 170 ms 22136 KB ok, no valid answer
124 Correct 172 ms 22008 KB ok, no valid answer
125 Correct 111 ms 19952 KB ok, no valid answer
126 Correct 80 ms 18032 KB ok, no valid answer
127 Correct 141 ms 20244 KB ok, no valid answer