oj.uz

Submission #220058

# Submission time Handle Problem Language Result Execution time Memory
220058 2020-04-06T21:33:42 Z VEGAnn Split the Attractions (IOI19_split) C++14
100 / 100
 176 ms 26232 KB 
#include <bits/stdc++.h>
#include "split.h"
#define all(x) x.begin(),x.end()
#define PB push_back
#define sz(x) ((int)x.size())
using namespace std;
typedef long long ll;
const int N = 100100;
vector<int> res;
vector<int> g[N], vc, children[N];
bool mrk[N];
int A[3], C[3], mrk_col[N], h[N], mn_h[N], pr[N], siz[N], mem = 0, mkk[N], tt = 0;

void dfs(int v, int p){
    pr[v] = p;
    siz[v] = 1;
    mrk[v] = 1;
    mn_h[v] = h[v];

    for (int u : g[v]){
        if (u == p) continue;

        if (!mrk[u]) {
            children[v].PB(u);
            h[u] = h[v] + 1;

            dfs(u, v);

            mn_h[v] = min(mn_h[v], mn_h[u]);
            siz[v] += siz[u];
        } else mn_h[v] = min(mn_h[v], h[u]);
    }
}

void col(int v, int cl){
    mrk_col[v] = cl;

    for (int u : children[v])
        col(u, cl);
}

void DFS(int v, int cl, int rlc){
    if (mrk[v]) return;
    if (mem == 0) return;

    mem--;
    mrk[v] = 1;
    res[v] = rlc;

    for (int u : g[v])
        if (mrk_col[u] == cl)
            DFS(u, cl, rlc);
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	res.resize(n);
	fill(all(res), 0);

	for (int i = sz(p) - 1; i >= 0; i--){
        g[p[i]].PB(q[i]);
        g[q[i]].PB(p[i]);
	}

	A[0] = a; A[1] = b; A[2] = c;
	C[0] = 1; C[1] = 2; C[2] = 3;

	if (A[0] > A[1]) {
        swap(A[0], A[1]);
        swap(C[0], C[1]);
	}
	if (A[1] > A[2]) {
        swap(A[1], A[2]);
        swap(C[1], C[2]);
	}
	if (A[0] > A[1]) {
        swap(A[0], A[1]);
        swap(C[0], C[1]);
	}

    dfs(0, -1);

    for (int v = 0; v < n; v++){
        bool ok = bool(siz[v] >= A[0]);

        for (int u : children[v])
            ok &= bool(siz[u] < A[0]);

        if (!ok) continue;

        tt++;

        int real_siz = siz[v];

        for (int u : children[v])
            if (mn_h[u] < h[v] && real_siz - siz[u] >= A[0]){
                real_siz -= siz[u];
                mkk[u] = tt;
            }

        for (int t1 = 0; t1 < 2; t1++){
            int t2 = 1 - t1;

            col(0, 1);
            col(v, 2);

            for (int u : children[v])
                if (mkk[u] == tt)
                    col(u, 1);

            if (real_siz >= A[t1] && n - real_siz >= A[t2]){
                fill(mrk, mrk + n, 0);

                mem = A[t2];
                DFS(pr[v], 1, C[t2]);

                mem = A[t1];
                DFS(v, 2, C[t1]);

                for (int &cr : res)
                    if (cr == 0)
                        cr = C[2];

                return res;
            }
        }
    }

	return res;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB ok, correct split
2 Correct 8 ms 4992 KB ok, correct split
3 Correct 8 ms 4992 KB ok, correct split
4 Correct 7 ms 4992 KB ok, correct split
5 Correct 8 ms 5120 KB ok, correct split
6 Correct 10 ms 5120 KB ok, correct split
7 Correct 139 ms 25848 KB ok, correct split
8 Correct 122 ms 23032 KB ok, correct split
9 Correct 135 ms 22264 KB ok, correct split
10 Correct 125 ms 26232 KB ok, correct split
11 Correct 153 ms 26232 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5120 KB ok, correct split
2 Correct 8 ms 4992 KB ok, correct split
3 Correct 8 ms 4992 KB ok, correct split
4 Correct 151 ms 21752 KB ok, correct split
5 Correct 111 ms 15480 KB ok, correct split
6 Correct 146 ms 26232 KB ok, correct split
7 Correct 150 ms 22776 KB ok, correct split
8 Correct 155 ms 19168 KB ok, correct split
9 Correct 109 ms 17016 KB ok, correct split
10 Correct 66 ms 14320 KB ok, correct split
11 Correct 66 ms 14192 KB ok, correct split
12 Correct 75 ms 14576 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB ok, correct split
2 Correct 120 ms 15480 KB ok, correct split
3 Correct 36 ms 9216 KB ok, correct split
4 Correct 7 ms 4992 KB ok, correct split
5 Correct 131 ms 19960 KB ok, correct split
6 Correct 113 ms 19704 KB ok, correct split
7 Correct 141 ms 19448 KB ok, correct split
8 Correct 135 ms 21112 KB ok, correct split
9 Correct 140 ms 19320 KB ok, correct split
10 Correct 33 ms 8576 KB ok, no valid answer
11 Correct 47 ms 10240 KB ok, no valid answer
12 Correct 79 ms 14836 KB ok, no valid answer
13 Correct 119 ms 15352 KB ok, no valid answer
14 Correct 69 ms 14576 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 5120 KB ok, correct split
2 Correct 7 ms 4992 KB ok, no valid answer
3 Correct 7 ms 5120 KB ok, correct split
4 Correct 8 ms 4992 KB ok, correct split
5 Correct 9 ms 5092 KB ok, correct split
6 Correct 8 ms 4992 KB ok, correct split
7 Correct 7 ms 5120 KB ok, correct split
8 Correct 7 ms 4992 KB ok, correct split
9 Correct 10 ms 5504 KB ok, correct split
10 Correct 10 ms 5376 KB ok, correct split
11 Correct 7 ms 5120 KB ok, correct split
12 Correct 10 ms 5376 KB ok, correct split
13 Correct 8 ms 5120 KB ok, correct split
14 Correct 8 ms 4992 KB ok, correct split
15 Correct 7 ms 5120 KB ok, correct split
16 Correct 7 ms 5120 KB ok, correct split
17 Correct 7 ms 4992 KB ok, correct split
18 Correct 7 ms 4992 KB ok, correct split
19 Correct 7 ms 5120 KB ok, correct split
20 Correct 8 ms 5248 KB ok, correct split
21 Correct 9 ms 5376 KB ok, correct split
22 Correct 9 ms 5376 KB ok, correct split
23 Correct 9 ms 5504 KB ok, correct split
24 Correct 10 ms 5480 KB ok, correct split
25 Correct 9 ms 5376 KB ok, correct split
26 Correct 9 ms 5376 KB ok, correct split
27 Correct 9 ms 5376 KB ok, correct split
28 Correct 9 ms 5376 KB ok, correct split
29 Correct 8 ms 5120 KB ok, correct split
30 Correct 9 ms 5376 KB ok, correct split
31 Correct 8 ms 5120 KB ok, correct split
32 Correct 7 ms 5120 KB ok, correct split
33 Correct 7 ms 5120 KB ok, correct split
34 Correct 9 ms 5376 KB ok, correct split
35 Correct 10 ms 5376 KB ok, correct split
36 Correct 9 ms 5376 KB ok, correct split
37 Correct 10 ms 5376 KB ok, correct split
38 Correct 10 ms 5504 KB ok, correct split
39 Correct 10 ms 5376 KB ok, correct split
40 Correct 10 ms 5376 KB ok, correct split
41 Correct 9 ms 5248 KB ok, correct split
42 Correct 9 ms 5248 KB ok, correct split
43 Correct 10 ms 5376 KB ok, correct split
44 Correct 10 ms 5504 KB ok, correct split
45 Correct 10 ms 5504 KB ok, correct split
46 Correct 9 ms 5504 KB ok, correct split
47 Correct 9 ms 5376 KB ok, no valid answer
48 Correct 9 ms 5376 KB ok, correct split
49 Correct 9 ms 5376 KB ok, correct split
50 Correct 7 ms 4992 KB ok, no valid answer
51 Correct 7 ms 4992 KB ok, no valid answer
52 Correct 9 ms 5248 KB ok, no valid answer
53 Correct 10 ms 5376 KB ok, no valid answer
54 Correct 8 ms 5248 KB ok, no valid answer
55 Correct 9 ms 5376 KB ok, no valid answer
56 Correct 10 ms 5376 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4992 KB ok, correct split
2 Correct 8 ms 4992 KB ok, correct split
3 Correct 8 ms 4992 KB ok, correct split
4 Correct 7 ms 4992 KB ok, correct split
5 Correct 8 ms 5120 KB ok, correct split
6 Correct 10 ms 5120 KB ok, correct split
7 Correct 139 ms 25848 KB ok, correct split
8 Correct 122 ms 23032 KB ok, correct split
9 Correct 135 ms 22264 KB ok, correct split
10 Correct 125 ms 26232 KB ok, correct split
11 Correct 153 ms 26232 KB ok, correct split
12 Correct 8 ms 5120 KB ok, correct split
13 Correct 8 ms 4992 KB ok, correct split
14 Correct 8 ms 4992 KB ok, correct split
15 Correct 151 ms 21752 KB ok, correct split
16 Correct 111 ms 15480 KB ok, correct split
17 Correct 146 ms 26232 KB ok, correct split
18 Correct 150 ms 22776 KB ok, correct split
19 Correct 155 ms 19168 KB ok, correct split
20 Correct 109 ms 17016 KB ok, correct split
21 Correct 66 ms 14320 KB ok, correct split
22 Correct 66 ms 14192 KB ok, correct split
23 Correct 75 ms 14576 KB ok, correct split
24 Correct 7 ms 4992 KB ok, correct split
25 Correct 120 ms 15480 KB ok, correct split
26 Correct 36 ms 9216 KB ok, correct split
27 Correct 7 ms 4992 KB ok, correct split
28 Correct 131 ms 19960 KB ok, correct split
29 Correct 113 ms 19704 KB ok, correct split
30 Correct 141 ms 19448 KB ok, correct split
31 Correct 135 ms 21112 KB ok, correct split
32 Correct 140 ms 19320 KB ok, correct split
33 Correct 33 ms 8576 KB ok, no valid answer
34 Correct 47 ms 10240 KB ok, no valid answer
35 Correct 79 ms 14836 KB ok, no valid answer
36 Correct 119 ms 15352 KB ok, no valid answer
37 Correct 69 ms 14576 KB ok, no valid answer
38 Correct 8 ms 5120 KB ok, correct split
39 Correct 7 ms 4992 KB ok, no valid answer
40 Correct 7 ms 5120 KB ok, correct split
41 Correct 8 ms 4992 KB ok, correct split
42 Correct 9 ms 5092 KB ok, correct split
43 Correct 8 ms 4992 KB ok, correct split
44 Correct 7 ms 5120 KB ok, correct split
45 Correct 7 ms 4992 KB ok, correct split
46 Correct 10 ms 5504 KB ok, correct split
47 Correct 10 ms 5376 KB ok, correct split
48 Correct 7 ms 5120 KB ok, correct split
49 Correct 10 ms 5376 KB ok, correct split
50 Correct 8 ms 5120 KB ok, correct split
51 Correct 8 ms 4992 KB ok, correct split
52 Correct 7 ms 5120 KB ok, correct split
53 Correct 7 ms 5120 KB ok, correct split
54 Correct 7 ms 4992 KB ok, correct split
55 Correct 7 ms 4992 KB ok, correct split
56 Correct 7 ms 5120 KB ok, correct split
57 Correct 8 ms 5248 KB ok, correct split
58 Correct 9 ms 5376 KB ok, correct split
59 Correct 9 ms 5376 KB ok, correct split
60 Correct 9 ms 5504 KB ok, correct split
61 Correct 10 ms 5480 KB ok, correct split
62 Correct 9 ms 5376 KB ok, correct split
63 Correct 9 ms 5376 KB ok, correct split
64 Correct 9 ms 5376 KB ok, correct split
65 Correct 9 ms 5376 KB ok, correct split
66 Correct 8 ms 5120 KB ok, correct split
67 Correct 9 ms 5376 KB ok, correct split
68 Correct 8 ms 5120 KB ok, correct split
69 Correct 7 ms 5120 KB ok, correct split
70 Correct 7 ms 5120 KB ok, correct split
71 Correct 9 ms 5376 KB ok, correct split
72 Correct 10 ms 5376 KB ok, correct split
73 Correct 9 ms 5376 KB ok, correct split
74 Correct 10 ms 5376 KB ok, correct split
75 Correct 10 ms 5504 KB ok, correct split
76 Correct 10 ms 5376 KB ok, correct split
77 Correct 10 ms 5376 KB ok, correct split
78 Correct 9 ms 5248 KB ok, correct split
79 Correct 9 ms 5248 KB ok, correct split
80 Correct 10 ms 5376 KB ok, correct split
81 Correct 10 ms 5504 KB ok, correct split
82 Correct 10 ms 5504 KB ok, correct split
83 Correct 9 ms 5504 KB ok, correct split
84 Correct 9 ms 5376 KB ok, no valid answer
85 Correct 9 ms 5376 KB ok, correct split
86 Correct 9 ms 5376 KB ok, correct split
87 Correct 7 ms 4992 KB ok, no valid answer
88 Correct 7 ms 4992 KB ok, no valid answer
89 Correct 9 ms 5248 KB ok, no valid answer
90 Correct 10 ms 5376 KB ok, no valid answer
91 Correct 8 ms 5248 KB ok, no valid answer
92 Correct 9 ms 5376 KB ok, no valid answer
93 Correct 10 ms 5376 KB ok, no valid answer
94 Correct 129 ms 19100 KB ok, correct split
95 Correct 169 ms 25080 KB ok, correct split
96 Correct 176 ms 23416 KB ok, correct split
97 Correct 37 ms 9180 KB ok, correct split
98 Correct 40 ms 9464 KB ok, correct split
99 Correct 61 ms 12152 KB ok, correct split
100 Correct 159 ms 19936 KB ok, correct split
101 Correct 135 ms 18680 KB ok, correct split
102 Correct 125 ms 17908 KB ok, correct split
103 Correct 133 ms 17728 KB ok, correct split
104 Correct 116 ms 17888 KB ok, correct split
105 Correct 63 ms 11768 KB ok, correct split
106 Correct 112 ms 18024 KB ok, correct split
107 Correct 108 ms 15864 KB ok, correct split
108 Correct 103 ms 15608 KB ok, correct split
109 Correct 158 ms 19448 KB ok, correct split
110 Correct 153 ms 20420 KB ok, correct split
111 Correct 156 ms 20208 KB ok, correct split
112 Correct 161 ms 19168 KB ok, correct split
113 Correct 149 ms 18800 KB ok, correct split
114 Correct 20 ms 6912 KB ok, correct split
115 Correct 18 ms 6528 KB ok, correct split
116 Correct 148 ms 20592 KB ok, correct split
117 Correct 142 ms 20208 KB ok, correct split
118 Correct 110 ms 17016 KB ok, correct split
119 Correct 109 ms 17016 KB ok, correct split
120 Correct 114 ms 21240 KB ok, correct split
121 Correct 102 ms 15480 KB ok, no valid answer
122 Correct 98 ms 15352 KB ok, no valid answer
123 Correct 159 ms 20088 KB ok, no valid answer
124 Correct 156 ms 19832 KB ok, no valid answer
125 Correct 91 ms 16400 KB ok, no valid answer
126 Correct 58 ms 13680 KB ok, no valid answer
127 Correct 108 ms 17280 KB ok, no valid answer