oj.uz

Submission #540165

# Submission time Handle Problem Language Result Execution time Memory
540165 2022-03-19T12:56:12 Z status_coding Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 191 ms 24056 KB 
#include "supertrees.h"
#include <bits/stdc++.h>

using namespace std;

int n;
bool bad=false;
vector<vector<int>> ans;

int viz[1005], viz2[1005];

void addEdge(int x, int y)
{
    ans[x][y] = ans[y][x] = 1;
}

void solve(vector<int> &v, vector<vector<int>> &p)
{
    vector<int> circle;

    for(int i : v)
    {
        if(!viz2[i])
        {
            circle.push_back(i);
            viz2[i]=true;

            for(int j=0;j<n;j++)
                if(i != j && p[i][j] == 1)
                {
                    addEdge(i ,j);
                    viz2[j]=true;

                    for(int k=0;k<n;k++)
                        if(p[i][k] != p[j][k])
                            bad = true;
                }
        }
    }

    if((int)circle.size() == 2)
        bad=true;

    if(circle.size() > 1)
    {
        for(int i=1; i<(int)circle.size(); i++)
            addEdge(circle[i-1], circle[i]);

        if(circle.size() > 2)
            addEdge(circle[0], circle.back());
    }
}

int construct(vector<vector<int>> p)
{
    n=p.size();

    ans.resize(n);
    for(int i=0;i<n;i++)
        ans[i].resize(n);

    //cout<<ans.size()<<'\n';

    for(int i=0;i<n;i++)
        for(int it : p[i])
            if(it == 3 )
                return 0;


    for(int i=0;i<n;i++)
    {
        if(!viz[i])
        {
            vector<int> v;
            for(int j=0;j<n;j++)
                if(p[i][j])
                {
                    v.push_back(j);
                    viz[j]=true;
                }

            for(int it : v)
                for(int j=0;j<n;j++)
                    if( (p[it][j] && !p[i][j]) || (!p[it][j] && p[i][j]) )
                        return 0;

            solve(v, p);
        }
    }

    if(bad)
        return 0;

    build(ans);
    return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 166 ms 22172 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 166 ms 22172 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1108 KB Output is correct
13 Correct 176 ms 22036 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 78 ms 12056 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 44 ms 5772 KB Output is correct
21 Correct 182 ms 22024 KB Output is correct
22 Correct 175 ms 21932 KB Output is correct
23 Correct 184 ms 21980 KB Output is correct
24 Correct 173 ms 21996 KB Output is correct
25 Correct 74 ms 12048 KB Output is correct
26 Correct 73 ms 12236 KB Output is correct
27 Correct 184 ms 22028 KB Output is correct
28 Correct 183 ms 22028 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 9 ms 1184 KB Output is correct
9 Correct 174 ms 24056 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1364 KB Output is correct
13 Correct 169 ms 23932 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 304 KB Output is correct
16 Correct 4 ms 852 KB Output is correct
17 Correct 80 ms 14072 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 308 KB Output is correct
20 Correct 1 ms 276 KB Output is correct
21 Correct 44 ms 6220 KB Output is correct
22 Correct 171 ms 23976 KB Output is correct
23 Correct 178 ms 24036 KB Output is correct
24 Correct 178 ms 23928 KB Output is correct
25 Correct 78 ms 14156 KB Output is correct
26 Correct 76 ms 14076 KB Output is correct
27 Correct 172 ms 23944 KB Output is correct
28 Correct 182 ms 23952 KB Output is correct
29 Correct 76 ms 13996 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 48 ms 5736 KB Output is correct
5 Correct 181 ms 22036 KB Output is correct
6 Correct 172 ms 22024 KB Output is correct
7 Correct 187 ms 22020 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 45 ms 5712 KB Output is correct
10 Correct 172 ms 22020 KB Output is correct
11 Correct 175 ms 22164 KB Output is correct
12 Correct 182 ms 22044 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 44 ms 5768 KB Output is correct
17 Correct 173 ms 21984 KB Output is correct
18 Correct 191 ms 22128 KB Output is correct
19 Correct 169 ms 22020 KB Output is correct
20 Correct 185 ms 22064 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 166 ms 22172 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1108 KB Output is correct
13 Correct 176 ms 22036 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 78 ms 12056 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 44 ms 5772 KB Output is correct
21 Correct 182 ms 22024 KB Output is correct
22 Correct 175 ms 21932 KB Output is correct
23 Correct 184 ms 21980 KB Output is correct
24 Correct 173 ms 21996 KB Output is correct
25 Correct 74 ms 12048 KB Output is correct
26 Correct 73 ms 12236 KB Output is correct
27 Correct 184 ms 22028 KB Output is correct
28 Correct 183 ms 22028 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 9 ms 1184 KB Output is correct
37 Correct 174 ms 24056 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 8 ms 1364 KB Output is correct
41 Correct 169 ms 23932 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 304 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 80 ms 14072 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 308 KB Output is correct
48 Correct 1 ms 276 KB Output is correct
49 Correct 44 ms 6220 KB Output is correct
50 Correct 171 ms 23976 KB Output is correct
51 Correct 178 ms 24036 KB Output is correct
52 Correct 178 ms 23928 KB Output is correct
53 Correct 78 ms 14156 KB Output is correct
54 Correct 76 ms 14076 KB Output is correct
55 Correct 172 ms 23944 KB Output is correct
56 Correct 182 ms 23952 KB Output is correct
57 Correct 76 ms 13996 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 4 ms 852 KB Output is correct
61 Correct 81 ms 14092 KB Output is correct
62 Correct 0 ms 212 KB Output is correct
63 Correct 1 ms 292 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 47 ms 6264 KB Output is correct
66 Correct 75 ms 14080 KB Output is correct
67 Correct 74 ms 14028 KB Output is correct
68 Correct 72 ms 14028 KB Output is correct
69 Correct 82 ms 14076 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1108 KB Output is correct
7 Correct 166 ms 22172 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 8 ms 1108 KB Output is correct
13 Correct 176 ms 22036 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 3 ms 724 KB Output is correct
17 Correct 78 ms 12056 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 44 ms 5772 KB Output is correct
21 Correct 182 ms 22024 KB Output is correct
22 Correct 175 ms 21932 KB Output is correct
23 Correct 184 ms 21980 KB Output is correct
24 Correct 173 ms 21996 KB Output is correct
25 Correct 74 ms 12048 KB Output is correct
26 Correct 73 ms 12236 KB Output is correct
27 Correct 184 ms 22028 KB Output is correct
28 Correct 183 ms 22028 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 9 ms 1184 KB Output is correct
37 Correct 174 ms 24056 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 8 ms 1364 KB Output is correct
41 Correct 169 ms 23932 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 0 ms 304 KB Output is correct
44 Correct 4 ms 852 KB Output is correct
45 Correct 80 ms 14072 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 1 ms 308 KB Output is correct
48 Correct 1 ms 276 KB Output is correct
49 Correct 44 ms 6220 KB Output is correct
50 Correct 171 ms 23976 KB Output is correct
51 Correct 178 ms 24036 KB Output is correct
52 Correct 178 ms 23928 KB Output is correct
53 Correct 78 ms 14156 KB Output is correct
54 Correct 76 ms 14076 KB Output is correct
55 Correct 172 ms 23944 KB Output is correct
56 Correct 182 ms 23952 KB Output is correct
57 Correct 76 ms 13996 KB Output is correct
58 Correct 0 ms 212 KB Output is correct
59 Correct 0 ms 212 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 48 ms 5736 KB Output is correct
62 Correct 181 ms 22036 KB Output is correct
63 Correct 172 ms 22024 KB Output is correct
64 Correct 187 ms 22020 KB Output is correct
65 Correct 0 ms 212 KB Output is correct
66 Correct 45 ms 5712 KB Output is correct
67 Correct 172 ms 22020 KB Output is correct
68 Correct 175 ms 22164 KB Output is correct
69 Correct 182 ms 22044 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 0 ms 212 KB Output is correct
72 Correct 0 ms 212 KB Output is correct
73 Correct 44 ms 5768 KB Output is correct
74 Correct 173 ms 21984 KB Output is correct
75 Correct 191 ms 22128 KB Output is correct
76 Correct 169 ms 22020 KB Output is correct
77 Correct 185 ms 22064 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 0 ms 212 KB Output is correct
80 Correct 4 ms 852 KB Output is correct
81 Correct 81 ms 14092 KB Output is correct
82 Correct 0 ms 212 KB Output is correct
83 Correct 1 ms 292 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 47 ms 6264 KB Output is correct
86 Correct 75 ms 14080 KB Output is correct
87 Correct 74 ms 14028 KB Output is correct
88 Correct 72 ms 14028 KB Output is correct
89 Correct 82 ms 14076 KB Output is correct
90 Correct 0 ms 212 KB Output is correct
91 Correct 0 ms 300 KB Output is correct
92 Correct 4 ms 852 KB Output is correct
93 Correct 77 ms 14084 KB Output is correct
94 Correct 1 ms 212 KB Output is correct
95 Correct 1 ms 304 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 19 ms 3716 KB Output is correct
98 Correct 72 ms 14076 KB Output is correct
99 Correct 74 ms 14088 KB Output is correct
100 Correct 72 ms 14148 KB Output is correct
101 Correct 75 ms 14080 KB Output is correct
102 Correct 70 ms 14092 KB Output is correct
103 Correct 72 ms 14072 KB Output is correct
104 Correct 69 ms 14032 KB Output is correct
105 Correct 82 ms 14156 KB Output is correct