oj.uz

답안 #854882

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
854882 2023-09-29T09:05:19 Z piOOE 참나무 (IOI23_beechtree) C++17
49 / 100
 2000 ms 2097152 KB 
#include "beechtree.h"
#include <bits/stdc++.h>

using namespace std;

std::vector<int> beechtree(int N, int M, std::vector<int> P, std::vector<int> C) {
    vector<int> sh(C);
    sort(sh.begin(), sh.end());
    sh.resize(unique(sh.begin(), sh.end()) - sh.begin());
    M = size(sh);
    for (int i = 0; i < N; ++i) {
        C[i] = lower_bound(sh.begin(), sh.end(), C[i]) - sh.begin();
    }

    vector<int> ans(N, 1), isOk(N, 1), siz(N, 1);
    vector<vector<int>> adj(N), sub(N);

    for (int i = N - 1; i > 0; --i) {
        adj[P[i]].push_back(i);
    }

    for (int v = N - 1; v >= 0; --v) {
        static vector<int> cnt(M);
        for (int to : adj[v]) {
            cnt[C[to]] = 0;
            isOk[v] &= isOk[to];
        }
        for (int to : adj[v]) {
            siz[v] += siz[to];
            isOk[v] &= ++cnt[C[to]] == 1;
        }
        ans[v] = isOk[v];
        if (!isOk[v]) {
            continue;
        }
        for (int to : adj[v]) {
            sub[v].insert(sub[v].end(), sub[to].begin(), sub[to].end());
            sub[to].clear();
        }
        static vector<int> last(N, -1);
        last[v] = -1;
        for (int x : sub[v]) {
            last[x] = -1;
            ++cnt[C[x]];
        }
//        vector<int> ord = sub[v];
//        sort(ord.begin(), ord.end(), [&](int x, int y) { return pair{cnt[C[x]], C[x]} > pair{cnt[C[y]], C[y]}; });
//        for (int i = 0, j = 0, k = -1; i < size(ord); i = j) {
//            int sum = 0;
//            while (j < size(ord) && C[ord[j]] == C[ord[i]]) {
//                int x = ord[j++];
//                while (x != v) {
//                    x = P[x];
//                    if (last[x] == i) {
//                        break;
//                    } else if (last[x] != k) {
//                        ans[v] = 0;
//                        break;
//                    }
//                    sum += 1;
//                    last[x] = i;
//                }
//                if (!ans[v]) {
//                    break;
//                }
//            }
//            if (!ans[v] || sum != j - i) {
//                ans[v] = 0;
//                break;
//            }
//            k = i;
//        }
//        if (!ans[v]) {
//            sub[v].push_back(v);
//            continue;
//        }
        vector<int> q;
        set<array<int, 3>> st;
        static vector<int> tin(N);
        st.insert({siz[v], tin[v] = 0, v});
        int T = 0;
        for (int i = 0; !st.empty() && ans[v]; ++i) {
            q.push_back(st.rbegin()->begin()[2]);
            st.erase(--st.end());
            int x = q[i];
            if (i > 0) {
                int c = 0;
                for (int j = 1; j < i; ++j) {
                    c += C[q[j]] == C[x];
                }
                if (P[x] != q[c]) {
                    ans[v] = 0;
                    break;
                }
            }
            sort(adj[x].begin(), adj[x].end(), [&](int a, int b) { return siz[a] > siz[b]; });
            for (int to : adj[x]) {
                st.insert({siz[to], tin[to] = --T, to});
            }
        }
        sub[v].push_back(v);
    }

    return ans;
}

Subtask #0
0.0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 364 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #2
0.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Execution timed out 2051 ms 2097152 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 1 ms 600 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 332 ms 20516 KB Output is correct
16 Correct 85 ms 19324 KB Output is correct
17 Correct 86 ms 19596 KB Output is correct
18 Execution timed out 2013 ms 20208 KB Time limit exceeded
19 Halted 0 ms 0 KB -

Subtask #4
0.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Execution timed out 2051 ms 2097152 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #5
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 360 KB Output is correct
42 Correct 1 ms 600 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 1 ms 604 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 0 ms 348 KB Output is correct
53 Correct 0 ms 348 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 0 ms 344 KB Output is correct
57 Correct 1 ms 348 KB Output is correct
58 Correct 0 ms 432 KB Output is correct
59 Correct 1 ms 348 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 0 ms 348 KB Output is correct
62 Correct 0 ms 348 KB Output is correct
63 Correct 1 ms 596 KB Output is correct
64 Correct 0 ms 348 KB Output is correct

Subtask #6
14.0 / 14.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1236 ms 14364 KB Output is correct
26 Correct 498 ms 14308 KB Output is correct
27 Correct 256 ms 14424 KB Output is correct
28 Correct 15 ms 16220 KB Output is correct
29 Correct 1156 ms 14268 KB Output is correct
30 Correct 20 ms 1884 KB Output is correct
31 Correct 7 ms 860 KB Output is correct
32 Correct 3 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 6 ms 860 KB Output is correct
35 Correct 3 ms 796 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 211 ms 4580 KB Output is correct
38 Correct 28 ms 2132 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 2 ms 604 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 360 KB Output is correct
46 Correct 1 ms 600 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 0 ms 348 KB Output is correct
52 Correct 1 ms 604 KB Output is correct
53 Correct 1 ms 604 KB Output is correct
54 Correct 1 ms 604 KB Output is correct
55 Correct 1 ms 604 KB Output is correct
56 Correct 0 ms 348 KB Output is correct
57 Correct 0 ms 348 KB Output is correct
58 Correct 1 ms 348 KB Output is correct
59 Correct 0 ms 348 KB Output is correct
60 Correct 0 ms 344 KB Output is correct
61 Correct 1 ms 348 KB Output is correct
62 Correct 0 ms 432 KB Output is correct
63 Correct 1 ms 348 KB Output is correct
64 Correct 0 ms 348 KB Output is correct
65 Correct 0 ms 348 KB Output is correct
66 Correct 0 ms 348 KB Output is correct
67 Correct 1 ms 596 KB Output is correct
68 Correct 0 ms 348 KB Output is correct
69 Correct 1236 ms 14364 KB Output is correct
70 Correct 498 ms 14308 KB Output is correct
71 Correct 256 ms 14424 KB Output is correct
72 Correct 15 ms 16220 KB Output is correct
73 Correct 1156 ms 14268 KB Output is correct
74 Correct 20 ms 1884 KB Output is correct
75 Correct 7 ms 860 KB Output is correct
76 Correct 3 ms 604 KB Output is correct
77 Correct 2 ms 604 KB Output is correct
78 Correct 6 ms 860 KB Output is correct
79 Correct 3 ms 796 KB Output is correct
80 Correct 2 ms 604 KB Output is correct
81 Correct 211 ms 4580 KB Output is correct
82 Correct 28 ms 2132 KB Output is correct
83 Correct 1149 ms 14372 KB Output is correct
84 Correct 480 ms 14216 KB Output is correct
85 Correct 21 ms 16216 KB Output is correct
86 Correct 14 ms 16216 KB Output is correct
87 Correct 2 ms 604 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 189 ms 5968 KB Output is correct
90 Correct 11 ms 1372 KB Output is correct
91 Correct 5 ms 792 KB Output is correct
92 Correct 3 ms 604 KB Output is correct
93 Correct 2 ms 604 KB Output is correct
94 Correct 5 ms 604 KB Output is correct
95 Correct 2 ms 600 KB Output is correct
96 Correct 2 ms 604 KB Output is correct
97 Correct 181 ms 4540 KB Output is correct
98 Correct 24 ms 1944 KB Output is correct

Subtask #8
0.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 364 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1236 ms 14364 KB Output is correct
26 Correct 498 ms 14308 KB Output is correct
27 Correct 256 ms 14424 KB Output is correct
28 Correct 15 ms 16220 KB Output is correct
29 Correct 1156 ms 14268 KB Output is correct
30 Correct 20 ms 1884 KB Output is correct
31 Correct 7 ms 860 KB Output is correct
32 Correct 3 ms 604 KB Output is correct
33 Correct 2 ms 604 KB Output is correct
34 Correct 6 ms 860 KB Output is correct
35 Correct 3 ms 796 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 211 ms 4580 KB Output is correct
38 Correct 28 ms 2132 KB Output is correct
39 Execution timed out 2045 ms 43408 KB Time limit exceeded
40 Halted 0 ms 0 KB -

Subtask #9
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 364 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Execution timed out 2051 ms 2097152 KB Time limit exceeded
39 Halted 0 ms 0 KB -