oj.uz

Submission #300246

# Submission time Handle Problem Language Result Execution time Memory
300246 2020-09-17T02:52:05 Z daniel920712 Connecting Supertrees (IOI20_supertrees) C++14
96 / 100
 280 ms 22520 KB 
#include "supertrees.h"
#include <vector>
#include <stdio.h>
using namespace std;
vector < int > how[1005];
vector < int > how2[1005];
vector < int > cycle;
int Father[1005];
int Find(int here)
{
    if(Father[here]==here) return here;
    Father[here]=Find(Father[here]);
    return Father[here];
}
int construct(vector < vector< int > > p)
{
	int n=p.size(),i,j,k,m;
	vector< vector<int> > answer;
	vector< int > row;
	for(i=0;i<n;i++) row.push_back(0);
	for(i=0;i<n;i++)
    {
        answer.push_back(row);
        Father[i]=i;
    }
	for(i=0;i<n;i++)
    {
        for(j=0;j<n;j++)
        {
            if(p[i][j]==0&&Find(i)==Find(j)) return 0;
            else if(p[i][j]) Father[Find(i)]=Find(j);
        }
    }
    for(i=0;i<n;i++) how[Find(i)].push_back(i);
    for(i=0;i<n;i++)
    {
        m=how[i].size();
        if(m<=1) continue;
        for(auto j:how[i]) Father[j]=j;
        for(j=0;j<m;j++)
        {
            for(k=0;k<m;k++)
            {
                if(Find(how[i][j])==Find(how[i][k])&&p[how[i][j]][how[i][k]]==2) return 0;
                else if(p[how[i][j]][how[i][k]]==1) Father[Find(how[i][k])]=Find(how[i][j]);
            }
        }
        for(auto j:how[i]) how2[Find(j)].push_back(j);
        cycle.clear();
        for(auto j:how[i])
        {
            m=how2[j].size();
            if(m==0) continue;
            for(k=1;k<m;k++)
            {
                answer[how2[j][k-1]][how2[j][k]]=1;
                answer[how2[j][k]][how2[j][k-1]]=1;
            }
            cycle.push_back(how2[j][0]);
        }
        m=cycle.size();
        if(m==2) return 0;
        if(m<=1) continue;
        for(j=1;j<m;j++)
        {
            answer[cycle[j-1]][cycle[j]]=1;
            answer[cycle[j]][cycle[j-1]]=1;
        }
        answer[cycle[m-1]][cycle[0]]=1;
        answer[cycle[0]][cycle[m-1]]=1;
    }
	build(answer);
	return 1;
}
/*
4
1 1 2 2
1 1 2 2
2 2 1 2
2 2 2 1
*/

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 12 ms 1280 KB Output is correct
7 Correct 280 ms 22136 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 12 ms 1280 KB Output is correct
7 Correct 280 ms 22136 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 244 ms 22136 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 5 ms 896 KB Output is correct
17 Correct 111 ms 12408 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 244 ms 22136 KB Output is correct
22 Correct 241 ms 22136 KB Output is correct
23 Correct 275 ms 22136 KB Output is correct
24 Correct 240 ms 22136 KB Output is correct
25 Correct 109 ms 12152 KB Output is correct
26 Correct 106 ms 12280 KB Output is correct
27 Correct 276 ms 22264 KB Output is correct
28 Correct 238 ms 22264 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 288 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 0 ms 384 KB Output is correct
8 Correct 10 ms 1280 KB Output is correct
9 Correct 236 ms 22136 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 264 ms 22136 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 114 ms 12184 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 62 ms 5880 KB Output is correct
22 Correct 246 ms 22136 KB Output is correct
23 Correct 241 ms 22264 KB Output is correct
24 Correct 265 ms 22264 KB Output is correct
25 Correct 107 ms 12280 KB Output is correct
26 Correct 102 ms 12152 KB Output is correct
27 Correct 251 ms 22264 KB Output is correct
28 Correct 262 ms 22136 KB Output is correct
29 Correct 104 ms 12280 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 65 ms 5880 KB Output is correct
5 Correct 254 ms 22268 KB Output is correct
6 Correct 241 ms 22140 KB Output is correct
7 Correct 276 ms 22136 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 60 ms 5880 KB Output is correct
10 Correct 246 ms 22136 KB Output is correct
11 Correct 242 ms 22264 KB Output is correct
12 Correct 264 ms 22264 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 64 ms 5880 KB Output is correct
17 Correct 245 ms 22136 KB Output is correct
18 Correct 252 ms 22520 KB Output is correct
19 Correct 247 ms 22264 KB Output is correct
20 Correct 244 ms 22136 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 12 ms 1280 KB Output is correct
7 Correct 280 ms 22136 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 244 ms 22136 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 5 ms 896 KB Output is correct
17 Correct 111 ms 12408 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 244 ms 22136 KB Output is correct
22 Correct 241 ms 22136 KB Output is correct
23 Correct 275 ms 22136 KB Output is correct
24 Correct 240 ms 22136 KB Output is correct
25 Correct 109 ms 12152 KB Output is correct
26 Correct 106 ms 12280 KB Output is correct
27 Correct 276 ms 22264 KB Output is correct
28 Correct 238 ms 22264 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 288 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 10 ms 1280 KB Output is correct
37 Correct 236 ms 22136 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 264 ms 22136 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 114 ms 12184 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 62 ms 5880 KB Output is correct
50 Correct 246 ms 22136 KB Output is correct
51 Correct 241 ms 22264 KB Output is correct
52 Correct 265 ms 22264 KB Output is correct
53 Correct 107 ms 12280 KB Output is correct
54 Correct 102 ms 12152 KB Output is correct
55 Correct 251 ms 22264 KB Output is correct
56 Correct 262 ms 22136 KB Output is correct
57 Correct 104 ms 12280 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 5 ms 1024 KB Output is correct
61 Correct 118 ms 12156 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 1 ms 512 KB Output is correct
64 Correct 1 ms 384 KB Output is correct
65 Correct 60 ms 5880 KB Output is correct
66 Correct 103 ms 12152 KB Output is correct
67 Correct 101 ms 12280 KB Output is correct
68 Correct 104 ms 12280 KB Output is correct
69 Correct 103 ms 12280 KB Output is correct

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 0 ms 384 KB Output is correct
6 Correct 12 ms 1280 KB Output is correct
7 Correct 280 ms 22136 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 0 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 244 ms 22136 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 5 ms 896 KB Output is correct
17 Correct 111 ms 12408 KB Output is correct
18 Correct 0 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 244 ms 22136 KB Output is correct
22 Correct 241 ms 22136 KB Output is correct
23 Correct 275 ms 22136 KB Output is correct
24 Correct 240 ms 22136 KB Output is correct
25 Correct 109 ms 12152 KB Output is correct
26 Correct 106 ms 12280 KB Output is correct
27 Correct 276 ms 22264 KB Output is correct
28 Correct 238 ms 22264 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 384 KB Output is correct
33 Correct 1 ms 288 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 0 ms 384 KB Output is correct
36 Correct 10 ms 1280 KB Output is correct
37 Correct 236 ms 22136 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 264 ms 22136 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 114 ms 12184 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 62 ms 5880 KB Output is correct
50 Correct 246 ms 22136 KB Output is correct
51 Correct 241 ms 22264 KB Output is correct
52 Correct 265 ms 22264 KB Output is correct
53 Correct 107 ms 12280 KB Output is correct
54 Correct 102 ms 12152 KB Output is correct
55 Correct 251 ms 22264 KB Output is correct
56 Correct 262 ms 22136 KB Output is correct
57 Correct 104 ms 12280 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 0 ms 384 KB Output is correct
60 Correct 0 ms 384 KB Output is correct
61 Correct 65 ms 5880 KB Output is correct
62 Correct 254 ms 22268 KB Output is correct
63 Correct 241 ms 22140 KB Output is correct
64 Correct 276 ms 22136 KB Output is correct
65 Correct 0 ms 384 KB Output is correct
66 Correct 60 ms 5880 KB Output is correct
67 Correct 246 ms 22136 KB Output is correct
68 Correct 242 ms 22264 KB Output is correct
69 Correct 264 ms 22264 KB Output is correct
70 Correct 0 ms 384 KB Output is correct
71 Correct 1 ms 384 KB Output is correct
72 Correct 0 ms 384 KB Output is correct
73 Correct 64 ms 5880 KB Output is correct
74 Correct 245 ms 22136 KB Output is correct
75 Correct 252 ms 22520 KB Output is correct
76 Correct 247 ms 22264 KB Output is correct
77 Correct 244 ms 22136 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 0 ms 384 KB Output is correct
80 Correct 5 ms 1024 KB Output is correct
81 Correct 118 ms 12156 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 1 ms 512 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 60 ms 5880 KB Output is correct
86 Correct 103 ms 12152 KB Output is correct
87 Correct 101 ms 12280 KB Output is correct
88 Correct 104 ms 12280 KB Output is correct
89 Correct 103 ms 12280 KB Output is correct
90 Correct 1 ms 416 KB Output is correct
91 Correct 0 ms 384 KB Output is correct
92 Correct 5 ms 1024 KB Output is correct
93 Correct 116 ms 12288 KB Output is correct
94 Incorrect 1 ms 384 KB Answer gives possible 1 while actual possible 0
95 Halted 0 ms 0 KB -