oj.uz

Submission #394516

# Submission time Handle Problem Language Result Execution time Memory
394516 2021-04-26T18:17:02 Z koste4ka Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 278 ms 22888 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

int construct(std::vector<std::vector<int>> p) {
    int n = p.size();
    std::vector<std::vector<int>> answer;
    for (int i = 0; i < n; i++) {
        std::vector<int> row;
        row.resize(n);
        answer.push_back(row);
    }
    vector < bool > u(n);
    vector < int > now;
    vector < vector < int > > all;
    int cur;
    for (int i = 0; i < n; ++i) {
        if (u[i]) {
            continue;
        }
        now.clear();
        for (int j = i; j < n; ++j) {
            if (u[j] || p[i][j] != 1) {
                continue;
            }
            now.push_back(j);
            u[j] = 1;
        }
        for (auto v : now) {
            for (auto u : now) {
                if (p[v][u] != 1) {
                    return 0;
                }
            }
        }
        for (int j = 1; j < (int)(now.size()); ++j) {
            answer[now[j - 1]][now[j]] = 1;
            answer[now[j]][now[j - 1]] = 1;
        }
        all.push_back(now);
    }
    for (int i = 0; i < (int)(all.size()); ++i) {
        for (int j = i + 1; j < (int)(all.size()); ++j) {
            for (auto v : all[i]) {
                for (auto u : all[j]) {
                    if (p[v][u] != p[all[i][0]][all[j][0]]) {
                        return 0;
                    }
                }
            }
        }
    }
    int last;
    for (int i = 0; i < n; ++i) {
        u[i] = 0;
    }
    vector < int > c(n);
    int it = 0;
    for (int i = 0; i < (int)(all.size()); ++i) {
        if (u[i]) {
            continue;
        }
        cur = 1;
        last = all[i].back();
        now.clear();
        for (auto j : all[i]) {
            now.push_back(j);
        }
        for (int j = i + 1; j < (int)(all.size()); ++j) {
            if (!u[j] && p[last][all[j].back()] == 2) {
                answer[last][all[j].back()] = 1;
                answer[all[j].back()][last] = 1;
                last = all[j].back();
                u[j] = 1;
                ++cur;
                for (auto k : all[j]) {
                    now.push_back(k);
                }
            }
        }
        if (cur == 2) {
            return 0;
        }
        ++it;
        for (auto u : now) {
            c[u] = it;
//            for (auto v : now) {
//                if (u != v && p[u][v] != 2) {
//                    return 0;
//                }
//            }
        }
         for (auto u : now) {
            for (int j = 0; j < n; ++j) {
                if (c[j] != it && p[u][j]) {
                    return 0;
                }
            }
         }
        if (last != all[i].back()) {
            answer[last][all[i].back()] = 1;
            answer[all[i].back()][last] = 1;
        }
    }
    build(answer);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 10 ms 1176 KB Output is correct
7 Correct 239 ms 22656 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 10 ms 1176 KB Output is correct
7 Correct 239 ms 22656 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 10 ms 1228 KB Output is correct
13 Correct 251 ms 22680 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 844 KB Output is correct
17 Correct 123 ms 12692 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 292 KB Output is correct
20 Correct 62 ms 6060 KB Output is correct
21 Correct 245 ms 22680 KB Output is correct
22 Correct 243 ms 22724 KB Output is correct
23 Correct 254 ms 22888 KB Output is correct
24 Correct 278 ms 22656 KB Output is correct
25 Correct 110 ms 12688 KB Output is correct
26 Correct 107 ms 12920 KB Output is correct
27 Correct 250 ms 22788 KB Output is correct
28 Correct 260 ms 22652 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 10 ms 1100 KB Output is correct
9 Correct 260 ms 22016 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 10 ms 1100 KB Output is correct
13 Correct 261 ms 22068 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 712 KB Output is correct
17 Correct 117 ms 12160 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 78 ms 5764 KB Output is correct
22 Correct 248 ms 22084 KB Output is correct
23 Correct 248 ms 22024 KB Output is correct
24 Correct 259 ms 22156 KB Output is correct
25 Correct 106 ms 12100 KB Output is correct
26 Correct 109 ms 12164 KB Output is correct
27 Correct 251 ms 22020 KB Output is correct
28 Correct 261 ms 22028 KB Output is correct
29 Correct 111 ms 12100 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 61 ms 6056 KB Output is correct
5 Correct 266 ms 22720 KB Output is correct
6 Correct 247 ms 22656 KB Output is correct
7 Correct 251 ms 22684 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 61 ms 6160 KB Output is correct
10 Correct 252 ms 22848 KB Output is correct
11 Correct 251 ms 22724 KB Output is correct
12 Correct 250 ms 22736 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 61 ms 6084 KB Output is correct
17 Correct 246 ms 22676 KB Output is correct
18 Correct 252 ms 22724 KB Output is correct
19 Correct 250 ms 22696 KB Output is correct
20 Correct 246 ms 22740 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 10 ms 1176 KB Output is correct
7 Correct 239 ms 22656 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 10 ms 1228 KB Output is correct
13 Correct 251 ms 22680 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 844 KB Output is correct
17 Correct 123 ms 12692 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 292 KB Output is correct
20 Correct 62 ms 6060 KB Output is correct
21 Correct 245 ms 22680 KB Output is correct
22 Correct 243 ms 22724 KB Output is correct
23 Correct 254 ms 22888 KB Output is correct
24 Correct 278 ms 22656 KB Output is correct
25 Correct 110 ms 12688 KB Output is correct
26 Correct 107 ms 12920 KB Output is correct
27 Correct 250 ms 22788 KB Output is correct
28 Correct 260 ms 22652 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 10 ms 1100 KB Output is correct
37 Correct 260 ms 22016 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 10 ms 1100 KB Output is correct
41 Correct 261 ms 22068 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 5 ms 712 KB Output is correct
45 Correct 117 ms 12160 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 78 ms 5764 KB Output is correct
50 Correct 248 ms 22084 KB Output is correct
51 Correct 248 ms 22024 KB Output is correct
52 Correct 259 ms 22156 KB Output is correct
53 Correct 106 ms 12100 KB Output is correct
54 Correct 109 ms 12164 KB Output is correct
55 Correct 251 ms 22020 KB Output is correct
56 Correct 261 ms 22028 KB Output is correct
57 Correct 111 ms 12100 KB Output is correct
58 Correct 1 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 7 ms 864 KB Output is correct
61 Correct 107 ms 14080 KB Output is correct
62 Correct 1 ms 204 KB Output is correct
63 Correct 1 ms 204 KB Output is correct
64 Correct 1 ms 204 KB Output is correct
65 Correct 62 ms 6252 KB Output is correct
66 Correct 106 ms 14068 KB Output is correct
67 Correct 107 ms 14076 KB Output is correct
68 Correct 106 ms 14120 KB Output is correct
69 Correct 107 ms 14060 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 208 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 10 ms 1176 KB Output is correct
7 Correct 239 ms 22656 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 10 ms 1228 KB Output is correct
13 Correct 251 ms 22680 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 5 ms 844 KB Output is correct
17 Correct 123 ms 12692 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 292 KB Output is correct
20 Correct 62 ms 6060 KB Output is correct
21 Correct 245 ms 22680 KB Output is correct
22 Correct 243 ms 22724 KB Output is correct
23 Correct 254 ms 22888 KB Output is correct
24 Correct 278 ms 22656 KB Output is correct
25 Correct 110 ms 12688 KB Output is correct
26 Correct 107 ms 12920 KB Output is correct
27 Correct 250 ms 22788 KB Output is correct
28 Correct 260 ms 22652 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 0 ms 204 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 204 KB Output is correct
36 Correct 10 ms 1100 KB Output is correct
37 Correct 260 ms 22016 KB Output is correct
38 Correct 1 ms 204 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 10 ms 1100 KB Output is correct
41 Correct 261 ms 22068 KB Output is correct
42 Correct 1 ms 204 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 5 ms 712 KB Output is correct
45 Correct 117 ms 12160 KB Output is correct
46 Correct 1 ms 204 KB Output is correct
47 Correct 1 ms 204 KB Output is correct
48 Correct 1 ms 204 KB Output is correct
49 Correct 78 ms 5764 KB Output is correct
50 Correct 248 ms 22084 KB Output is correct
51 Correct 248 ms 22024 KB Output is correct
52 Correct 259 ms 22156 KB Output is correct
53 Correct 106 ms 12100 KB Output is correct
54 Correct 109 ms 12164 KB Output is correct
55 Correct 251 ms 22020 KB Output is correct
56 Correct 261 ms 22028 KB Output is correct
57 Correct 111 ms 12100 KB Output is correct
58 Correct 0 ms 204 KB Output is correct
59 Correct 1 ms 204 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 61 ms 6056 KB Output is correct
62 Correct 266 ms 22720 KB Output is correct
63 Correct 247 ms 22656 KB Output is correct
64 Correct 251 ms 22684 KB Output is correct
65 Correct 1 ms 204 KB Output is correct
66 Correct 61 ms 6160 KB Output is correct
67 Correct 252 ms 22848 KB Output is correct
68 Correct 251 ms 22724 KB Output is correct
69 Correct 250 ms 22736 KB Output is correct
70 Correct 1 ms 204 KB Output is correct
71 Correct 1 ms 204 KB Output is correct
72 Correct 1 ms 204 KB Output is correct
73 Correct 61 ms 6084 KB Output is correct
74 Correct 246 ms 22676 KB Output is correct
75 Correct 252 ms 22724 KB Output is correct
76 Correct 250 ms 22696 KB Output is correct
77 Correct 246 ms 22740 KB Output is correct
78 Correct 1 ms 204 KB Output is correct
79 Correct 1 ms 204 KB Output is correct
80 Correct 7 ms 864 KB Output is correct
81 Correct 107 ms 14080 KB Output is correct
82 Correct 1 ms 204 KB Output is correct
83 Correct 1 ms 204 KB Output is correct
84 Correct 1 ms 204 KB Output is correct
85 Correct 62 ms 6252 KB Output is correct
86 Correct 106 ms 14068 KB Output is correct
87 Correct 107 ms 14076 KB Output is correct
88 Correct 106 ms 14120 KB Output is correct
89 Correct 107 ms 14060 KB Output is correct
90 Correct 1 ms 204 KB Output is correct
91 Correct 1 ms 204 KB Output is correct
92 Correct 5 ms 844 KB Output is correct
93 Correct 105 ms 14076 KB Output is correct
94 Correct 1 ms 204 KB Output is correct
95 Correct 1 ms 204 KB Output is correct
96 Correct 1 ms 204 KB Output is correct
97 Correct 28 ms 3692 KB Output is correct
98 Correct 118 ms 14064 KB Output is correct
99 Correct 106 ms 14072 KB Output is correct
100 Correct 104 ms 14072 KB Output is correct
101 Correct 114 ms 14120 KB Output is correct
102 Correct 106 ms 14020 KB Output is correct
103 Correct 106 ms 14076 KB Output is correct
104 Correct 102 ms 14088 KB Output is correct
105 Correct 131 ms 14020 KB Output is correct