oj.uz

Submission #720185

# Submission time Handle Problem Language Result Execution time Memory
720185 2023-04-07T15:12:20 Z mseebacher Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 287 ms 26812 KB 
#include "supertrees.h"
#include <bits/stdc++.h> 
 
using namespace std;
 
int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	vector<vector<int>> comp(n);
	for(int i = 0;i<n;i++){
		for(int j = 0;j<n;j++){
			if(p[i][j]){
				comp[i].push_back(j);
			}
		}
	}
	for(int i = 0;i<n;i++){
		for(int j = 0;j<n;j++){
			if(p[i][j] && comp[i] != comp[j]) return 0;
			if(p[i][j] == 3) return 0;
		}
	}
	
	vector<bool> vis(n,0);
	vector<vector<int>> ans(n,vector<int>(n,0));
	vector<int> roots;
	for(int i = 0;i<n;i++){
		if(!vis[i]){
			roots.push_back(i);
			for(int j = 0;j<(int)comp[i].size();j++){
				if(comp[i][j] == i || p[i][comp[i][j]] != 1) continue;
				ans[i][comp[i][j]] = 1;
				ans[comp[i][j]][i] = 1;
				vis[comp[i][j]] = 1;
			}
		}
	}
	
	
	vis.clear();
	for(int i = 0;i<(int)roots.size();i++){
		if(!vis[roots[i]]){
			vector<int> x; x.push_back(roots[i]);
			for(int j = 0;j<(int)roots.size();j++){
				if(find(comp[roots[i]].begin(),comp[roots[i]].end(),roots[j]) != comp[roots[i]].end() && p[roots[i]][roots[j]] == 2){
					x.push_back(roots[j]);
					vis[roots[j]] = 1;
				} 
			}
			if(x.size() == 2) return 0;
			for(int j = 0;j<(int)x.size();j++){
				if(j == (int)x.size()-1) {
					if(x[j] == x[0]) continue;
					ans[x[j]][x[0]] = 1;
					ans[x[0]][x[j]] = 1;
				}else{
					if(x[j] == x[j+1]) continue;
					ans[x[j]][x[j+1]] = 1;
					ans[x[j+1]][x[j]] = 1;
				}
			}
		}
		
	}
	
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 9 ms 1452 KB Output is correct
7 Correct 287 ms 26456 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 9 ms 1452 KB Output is correct
7 Correct 287 ms 26456 KB Output is correct
8 Correct 1 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 1 ms 212 KB Output is correct
12 Correct 8 ms 1244 KB Output is correct
13 Correct 176 ms 22276 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 86 ms 10920 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 47 ms 6020 KB Output is correct
21 Correct 172 ms 22836 KB Output is correct
22 Correct 188 ms 22324 KB Output is correct
23 Correct 207 ms 24268 KB Output is correct
24 Correct 170 ms 22428 KB Output is correct
25 Correct 72 ms 8908 KB Output is correct
26 Correct 71 ms 8468 KB Output is correct
27 Correct 215 ms 25316 KB Output is correct
28 Correct 170 ms 22348 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 10 ms 1236 KB Output is correct
9 Correct 185 ms 22856 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 296 KB Output is correct
12 Correct 9 ms 1448 KB Output is correct
13 Correct 275 ms 26812 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 85 ms 11724 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 43 ms 6284 KB Output is correct
22 Correct 178 ms 23288 KB Output is correct
23 Correct 174 ms 22860 KB Output is correct
24 Correct 219 ms 25916 KB Output is correct
25 Correct 82 ms 13260 KB Output is correct
26 Correct 75 ms 9804 KB Output is correct
27 Correct 175 ms 22920 KB Output is correct
28 Correct 230 ms 24840 KB Output is correct
29 Correct 80 ms 13372 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 300 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 43 ms 5884 KB Output is correct
5 Correct 180 ms 22608 KB Output is correct
6 Correct 176 ms 22172 KB Output is correct
7 Correct 212 ms 24196 KB Output is correct
8 Correct 1 ms 296 KB Output is correct
9 Correct 44 ms 5908 KB Output is correct
10 Correct 175 ms 22652 KB Output is correct
11 Correct 172 ms 22164 KB Output is correct
12 Correct 210 ms 25376 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 296 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 47 ms 5912 KB Output is correct
17 Correct 171 ms 22724 KB Output is correct
18 Correct 177 ms 22752 KB Output is correct
19 Correct 171 ms 22500 KB Output is correct
20 Correct 170 ms 22280 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 9 ms 1452 KB Output is correct
7 Correct 287 ms 26456 KB Output is correct
8 Correct 1 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 1 ms 212 KB Output is correct
12 Correct 8 ms 1244 KB Output is correct
13 Correct 176 ms 22276 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 86 ms 10920 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 47 ms 6020 KB Output is correct
21 Correct 172 ms 22836 KB Output is correct
22 Correct 188 ms 22324 KB Output is correct
23 Correct 207 ms 24268 KB Output is correct
24 Correct 170 ms 22428 KB Output is correct
25 Correct 72 ms 8908 KB Output is correct
26 Correct 71 ms 8468 KB Output is correct
27 Correct 215 ms 25316 KB Output is correct
28 Correct 170 ms 22348 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 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 10 ms 1236 KB Output is correct
37 Correct 185 ms 22856 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 296 KB Output is correct
40 Correct 9 ms 1448 KB Output is correct
41 Correct 275 ms 26812 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 296 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 85 ms 11724 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 43 ms 6284 KB Output is correct
50 Correct 178 ms 23288 KB Output is correct
51 Correct 174 ms 22860 KB Output is correct
52 Correct 219 ms 25916 KB Output is correct
53 Correct 82 ms 13260 KB Output is correct
54 Correct 75 ms 9804 KB Output is correct
55 Correct 175 ms 22920 KB Output is correct
56 Correct 230 ms 24840 KB Output is correct
57 Correct 80 ms 13372 KB Output is correct
58 Correct 1 ms 212 KB Output is correct
59 Correct 1 ms 212 KB Output is correct
60 Correct 5 ms 828 KB Output is correct
61 Correct 83 ms 14120 KB Output is correct
62 Correct 1 ms 212 KB Output is correct
63 Correct 1 ms 212 KB Output is correct
64 Correct 0 ms 212 KB Output is correct
65 Correct 43 ms 6232 KB Output is correct
66 Correct 76 ms 10664 KB Output is correct
67 Correct 74 ms 10636 KB Output is correct
68 Correct 73 ms 10364 KB Output is correct
69 Correct 77 ms 14148 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 9 ms 1452 KB Output is correct
7 Correct 287 ms 26456 KB Output is correct
8 Correct 1 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 1 ms 212 KB Output is correct
12 Correct 8 ms 1244 KB Output is correct
13 Correct 176 ms 22276 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 4 ms 724 KB Output is correct
17 Correct 86 ms 10920 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 47 ms 6020 KB Output is correct
21 Correct 172 ms 22836 KB Output is correct
22 Correct 188 ms 22324 KB Output is correct
23 Correct 207 ms 24268 KB Output is correct
24 Correct 170 ms 22428 KB Output is correct
25 Correct 72 ms 8908 KB Output is correct
26 Correct 71 ms 8468 KB Output is correct
27 Correct 215 ms 25316 KB Output is correct
28 Correct 170 ms 22348 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 0 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 10 ms 1236 KB Output is correct
37 Correct 185 ms 22856 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 296 KB Output is correct
40 Correct 9 ms 1448 KB Output is correct
41 Correct 275 ms 26812 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 296 KB Output is correct
44 Correct 4 ms 724 KB Output is correct
45 Correct 85 ms 11724 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 43 ms 6284 KB Output is correct
50 Correct 178 ms 23288 KB Output is correct
51 Correct 174 ms 22860 KB Output is correct
52 Correct 219 ms 25916 KB Output is correct
53 Correct 82 ms 13260 KB Output is correct
54 Correct 75 ms 9804 KB Output is correct
55 Correct 175 ms 22920 KB Output is correct
56 Correct 230 ms 24840 KB Output is correct
57 Correct 80 ms 13372 KB Output is correct
58 Correct 1 ms 300 KB Output is correct
59 Correct 1 ms 296 KB Output is correct
60 Correct 0 ms 212 KB Output is correct
61 Correct 43 ms 5884 KB Output is correct
62 Correct 180 ms 22608 KB Output is correct
63 Correct 176 ms 22172 KB Output is correct
64 Correct 212 ms 24196 KB Output is correct
65 Correct 1 ms 296 KB Output is correct
66 Correct 44 ms 5908 KB Output is correct
67 Correct 175 ms 22652 KB Output is correct
68 Correct 172 ms 22164 KB Output is correct
69 Correct 210 ms 25376 KB Output is correct
70 Correct 1 ms 212 KB Output is correct
71 Correct 0 ms 296 KB Output is correct
72 Correct 1 ms 212 KB Output is correct
73 Correct 47 ms 5912 KB Output is correct
74 Correct 171 ms 22724 KB Output is correct
75 Correct 177 ms 22752 KB Output is correct
76 Correct 171 ms 22500 KB Output is correct
77 Correct 170 ms 22280 KB Output is correct
78 Correct 1 ms 212 KB Output is correct
79 Correct 1 ms 212 KB Output is correct
80 Correct 5 ms 828 KB Output is correct
81 Correct 83 ms 14120 KB Output is correct
82 Correct 1 ms 212 KB Output is correct
83 Correct 1 ms 212 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 43 ms 6232 KB Output is correct
86 Correct 76 ms 10664 KB Output is correct
87 Correct 74 ms 10636 KB Output is correct
88 Correct 73 ms 10364 KB Output is correct
89 Correct 77 ms 14148 KB Output is correct
90 Correct 1 ms 300 KB Output is correct
91 Correct 1 ms 296 KB Output is correct
92 Correct 4 ms 852 KB Output is correct
93 Correct 84 ms 14064 KB Output is correct
94 Correct 1 ms 304 KB Output is correct
95 Correct 1 ms 212 KB Output is correct
96 Correct 1 ms 212 KB Output is correct
97 Correct 18 ms 2808 KB Output is correct
98 Correct 78 ms 10612 KB Output is correct
99 Correct 74 ms 10608 KB Output is correct
100 Correct 77 ms 10356 KB Output is correct
101 Correct 75 ms 10096 KB Output is correct
102 Correct 74 ms 14068 KB Output is correct
103 Correct 74 ms 14076 KB Output is correct
104 Correct 76 ms 14080 KB Output is correct
105 Correct 82 ms 12592 KB Output is correct