oj.uz

Submission #304812

# Submission time Handle Problem Language Result Execution time Memory
304812 2020-09-21T23:27:27 Z arthur_nascimento Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 272 ms 26232 KB 
#include "supertrees.h"
#include <vector>

#include <bits/stdc++.h>
using namespace std;

#define maxn 1010
#define pb push_back

int foi1[maxn];
int rep1[maxn];
int rep2[maxn];

vector<int> L1[maxn];
vector<int> L2[maxn];


vector<int> comp;
void dfs1(int v,int p){
	if(foi1[v]) return;
	foi1[v] = 1;
	rep1[v] = p;
	comp.pb(v);
	for(int i : L1[v])
		dfs1(i,p);
}

int foi2[maxn];


void dfs2(int v,int p){
	if(foi2[v]) return;
	foi2[v] = 1;
	rep2[v] = p;
	comp.pb(v);
	for(int i : L2[v]){
		if(rep1[i] == i)
			dfs2(i,p);
	}
}

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);
		for(int j=0;j<n;j++){
			row[j] = 0;
			if(p[i][j] == 1)
				L1[i].pb(j);
			if(p[i][j] == 2)
				L2[i].pb(j);
			if(p[i][j] == 3)
				return 0;
		}
		answer.push_back(row);
	}

	for(int i=0;i<n;i++)
		if(!foi1[i]){
			comp.clear();
			dfs1(i,i);
			for(int j=1;j<(int)comp.size();j++)
				answer[comp[j-1]][comp[j]] = answer[comp[j]][comp[j-1]] = 1;
		}
	
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			if(rep1[i] == rep1[j] && p[i][j] != 1)
				return 0;

	for(int i=0;i<n;i++)
		if(!foi2[i] && rep1[i] == i){
			comp.clear();
			dfs2(i,i);
			if(comp.size() == 2) return 0;
			if(comp.size() > 1)
				for(int j=0;j<(int)comp.size();j++){
					int A = comp[j];
					int B = comp[(j+1)%comp.size()];
					answer[A][B] = answer[B][A] = 1;
				}
		}

	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++){
			if(rep1[i] != rep1[j] && rep2[rep1[i]] == rep2[rep1[j]] && p[i][j] != 2)
				return 0;
			if(rep1[i] != rep1[j] && rep2[rep1[i]] != rep2[rep1[j]] && p[i][j] != 0)
				return 0;
		}


	
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# 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 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1536 KB Output is correct
7 Correct 250 ms 26232 KB Output is correct

Subtask #2
10.0 / 10.0

# 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 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1536 KB Output is correct
7 Correct 250 ms 26232 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22216 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 1024 KB Output is correct
17 Correct 119 ms 14712 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 60 ms 5948 KB Output is correct
21 Correct 244 ms 22776 KB Output is correct
22 Correct 272 ms 22136 KB Output is correct
23 Correct 251 ms 24184 KB Output is correct
24 Correct 241 ms 22136 KB Output is correct
25 Correct 104 ms 12792 KB Output is correct
26 Correct 100 ms 12280 KB Output is correct
27 Correct 258 ms 25336 KB Output is correct
28 Correct 235 ms 22136 KB Output is correct

Subtask #3
19.0 / 19.0

# 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 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 0 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 10 ms 1280 KB Output is correct
9 Correct 242 ms 22264 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 11 ms 1536 KB Output is correct
13 Correct 251 ms 26232 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 1024 KB Output is correct
17 Correct 117 ms 14840 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 63 ms 5880 KB Output is correct
22 Correct 245 ms 22908 KB Output is correct
23 Correct 237 ms 22264 KB Output is correct
24 Correct 253 ms 25336 KB Output is correct
25 Correct 100 ms 12300 KB Output is correct
26 Correct 101 ms 12792 KB Output is correct
27 Correct 235 ms 22264 KB Output is correct
28 Correct 255 ms 24316 KB Output is correct
29 Correct 101 ms 12280 KB Output is correct

Subtask #4
35.0 / 35.0

# 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 62 ms 5880 KB Output is correct
5 Correct 244 ms 22652 KB Output is correct
6 Correct 253 ms 22532 KB Output is correct
7 Correct 253 ms 24184 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 61 ms 5880 KB Output is correct
10 Correct 243 ms 22648 KB Output is correct
11 Correct 238 ms 22264 KB Output is correct
12 Correct 257 ms 25464 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 61 ms 5900 KB Output is correct
17 Correct 248 ms 22652 KB Output is correct
18 Correct 249 ms 22776 KB Output is correct
19 Correct 238 ms 22392 KB Output is correct
20 Correct 242 ms 22268 KB Output is correct

Subtask #5
21.0 / 21.0

# 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 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1536 KB Output is correct
7 Correct 250 ms 26232 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22216 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 1024 KB Output is correct
17 Correct 119 ms 14712 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 60 ms 5948 KB Output is correct
21 Correct 244 ms 22776 KB Output is correct
22 Correct 272 ms 22136 KB Output is correct
23 Correct 251 ms 24184 KB Output is correct
24 Correct 241 ms 22136 KB Output is correct
25 Correct 104 ms 12792 KB Output is correct
26 Correct 100 ms 12280 KB Output is correct
27 Correct 258 ms 25336 KB Output is correct
28 Correct 235 ms 22136 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 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 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 10 ms 1280 KB Output is correct
37 Correct 242 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1536 KB Output is correct
41 Correct 251 ms 26232 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 1024 KB Output is correct
45 Correct 117 ms 14840 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 63 ms 5880 KB Output is correct
50 Correct 245 ms 22908 KB Output is correct
51 Correct 237 ms 22264 KB Output is correct
52 Correct 253 ms 25336 KB Output is correct
53 Correct 100 ms 12300 KB Output is correct
54 Correct 101 ms 12792 KB Output is correct
55 Correct 235 ms 22264 KB Output is correct
56 Correct 255 ms 24316 KB Output is correct
57 Correct 101 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 6 ms 1024 KB Output is correct
61 Correct 121 ms 16376 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 1 ms 384 KB Output is correct
64 Correct 0 ms 384 KB Output is correct
65 Correct 60 ms 5880 KB Output is correct
66 Correct 101 ms 12792 KB Output is correct
67 Correct 109 ms 12920 KB Output is correct
68 Correct 104 ms 12408 KB Output is correct
69 Correct 97 ms 12296 KB Output is correct

Subtask #6
4.0 / 4.0

# 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 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1536 KB Output is correct
7 Correct 250 ms 26232 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22216 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 1024 KB Output is correct
17 Correct 119 ms 14712 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 60 ms 5948 KB Output is correct
21 Correct 244 ms 22776 KB Output is correct
22 Correct 272 ms 22136 KB Output is correct
23 Correct 251 ms 24184 KB Output is correct
24 Correct 241 ms 22136 KB Output is correct
25 Correct 104 ms 12792 KB Output is correct
26 Correct 100 ms 12280 KB Output is correct
27 Correct 258 ms 25336 KB Output is correct
28 Correct 235 ms 22136 KB Output is correct
29 Correct 0 ms 384 KB Output is correct
30 Correct 0 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 384 KB Output is correct
34 Correct 0 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 10 ms 1280 KB Output is correct
37 Correct 242 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1536 KB Output is correct
41 Correct 251 ms 26232 KB Output is correct
42 Correct 0 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 1024 KB Output is correct
45 Correct 117 ms 14840 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 0 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 63 ms 5880 KB Output is correct
50 Correct 245 ms 22908 KB Output is correct
51 Correct 237 ms 22264 KB Output is correct
52 Correct 253 ms 25336 KB Output is correct
53 Correct 100 ms 12300 KB Output is correct
54 Correct 101 ms 12792 KB Output is correct
55 Correct 235 ms 22264 KB Output is correct
56 Correct 255 ms 24316 KB Output is correct
57 Correct 101 ms 12280 KB Output is correct
58 Correct 1 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 62 ms 5880 KB Output is correct
62 Correct 244 ms 22652 KB Output is correct
63 Correct 253 ms 22532 KB Output is correct
64 Correct 253 ms 24184 KB Output is correct
65 Correct 0 ms 384 KB Output is correct
66 Correct 61 ms 5880 KB Output is correct
67 Correct 243 ms 22648 KB Output is correct
68 Correct 238 ms 22264 KB Output is correct
69 Correct 257 ms 25464 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 0 ms 384 KB Output is correct
72 Correct 1 ms 384 KB Output is correct
73 Correct 61 ms 5900 KB Output is correct
74 Correct 248 ms 22652 KB Output is correct
75 Correct 249 ms 22776 KB Output is correct
76 Correct 238 ms 22392 KB Output is correct
77 Correct 242 ms 22268 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 0 ms 384 KB Output is correct
80 Correct 6 ms 1024 KB Output is correct
81 Correct 121 ms 16376 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 1 ms 384 KB Output is correct
84 Correct 0 ms 384 KB Output is correct
85 Correct 60 ms 5880 KB Output is correct
86 Correct 101 ms 12792 KB Output is correct
87 Correct 109 ms 12920 KB Output is correct
88 Correct 104 ms 12408 KB Output is correct
89 Correct 97 ms 12296 KB Output is correct
90 Correct 0 ms 384 KB Output is correct
91 Correct 1 ms 384 KB Output is correct
92 Correct 5 ms 640 KB Output is correct
93 Correct 98 ms 8316 KB Output is correct
94 Correct 0 ms 384 KB Output is correct
95 Correct 1 ms 384 KB Output is correct
96 Correct 1 ms 384 KB Output is correct
97 Correct 24 ms 2428 KB Output is correct
98 Correct 96 ms 8568 KB Output is correct
99 Correct 117 ms 9080 KB Output is correct
100 Correct 102 ms 8568 KB Output is correct
101 Correct 91 ms 9608 KB Output is correct
102 Correct 95 ms 8312 KB Output is correct
103 Correct 93 ms 8312 KB Output is correct
104 Correct 115 ms 8312 KB Output is correct
105 Correct 97 ms 8312 KB Output is correct