oj.uz

Submission #300336

# Submission time Handle Problem Language Result Execution time Memory
300336 2020-09-17T05:37:27 Z faustaadp Connecting Supertrees (IOI20_supertrees) C++17
40 / 100
 267 ms 26232 KB 
#include "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
const ll NN = 1e3 + 5;
ll n, bisa = 1, p[NN], x[NN];
std::vector<std::vector<int>> answer;
vector<ll> v[NN];
std::vector<std::vector<int>> px;
ll car(ll pos)
{
	if(p[pos] == pos)
		return pos;
	else
		return p[pos] = car(p[pos]);
}
int construct(std::vector<std::vector<int>> pt) {
	px = pt;
	n = px.size();
	for (int i = 0; i < n; i++) {
		std::vector<int> row;
		row.resize(n, 0);
		answer.push_back(row);
	}
	for (int i = 0; i < n; i++) 
		p[i] = i;
	for (int i = 0; i < n; i++) 
		for (int j = i + 1; j < n; j++) 
			if(px[i][j])
				p[car(i)] = car(j); 
	for (int i = 0; i < n; i++) 
		v[car(i)].pb(i);
	for (int i = 0; i < n; i++) 
	{
		if(!bisa)
			break;
		ll sz = v[i].size();
		x[0] = 0;
		x[1] = 0;
		x[2] = 0;
		x[3] = 0;
		for(ll j = 0; j < sz; j++)
			for(ll k = j + 1; k < sz; k++)
				x[px[v[i][j]][v[i][k]]] = 1;
		if(x[0] + x[1] + x[2] + x[3] == 0) 
			continue;
		else
		if(x[0])
			bisa = 0;
		else
		if(x[2] == 1 && x[3] == 1)
			bisa = 0;
		else
		if(x[1] == 1 && x[2] == 0 && x[3] == 0)
		{
			for(ll j = 1; j < sz; j++)
			{
				answer[v[i][j - 1]][v[i][j]] = 1;
				answer[v[i][j]][v[i][j - 1]] = 1;
			}
		}
		else
		if(x[2] == 1 && x[1] == 0)
		{
			if(sz <= 2)
				bisa = 0;
			else
			{
				for(ll j = 0; j < sz; j++)
				{
					answer[v[i][j]][v[i][(j + 1) % sz]] = 1;
					answer[v[i][(j + 1) % sz]][v[i][j]] = 1;
				}
			}
		}
	}
	if(!bisa)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 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 255 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 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 255 ms 26232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 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 1408 KB Output is correct
13 Correct 238 ms 26104 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 122 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 62 ms 6908 KB Output is correct
21 Correct 241 ms 26232 KB Output is correct
22 Correct 244 ms 26104 KB Output is correct
23 Correct 252 ms 26104 KB Output is correct
24 Correct 237 ms 26104 KB Output is correct
25 Correct 108 ms 16120 KB Output is correct
26 Correct 108 ms 16120 KB Output is correct
27 Correct 261 ms 26232 KB Output is correct
28 Correct 235 ms 26104 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 512 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 10 ms 1408 KB Output is correct
9 Correct 242 ms 26232 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 1408 KB Output is correct
13 Correct 257 ms 26232 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 7 ms 1024 KB Output is correct
17 Correct 123 ms 16120 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 64 ms 6904 KB Output is correct
22 Correct 239 ms 26104 KB Output is correct
23 Correct 237 ms 26104 KB Output is correct
24 Correct 267 ms 26108 KB Output is correct
25 Correct 102 ms 16248 KB Output is correct
26 Correct 110 ms 16124 KB Output is correct
27 Correct 244 ms 26104 KB Output is correct
28 Correct 264 ms 26104 KB Output is correct
29 Correct 125 ms 16120 KB Output is correct

Subtask #4
0 / 35.0

# 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 60 ms 6904 KB Output is correct
5 Correct 237 ms 26104 KB Output is correct
6 Correct 237 ms 26104 KB Output is correct
7 Correct 257 ms 26104 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 63 ms 6904 KB Output is correct
10 Correct 240 ms 26104 KB Output is correct
11 Correct 236 ms 26104 KB Output is correct
12 Correct 255 ms 26104 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Incorrect 1 ms 512 KB Too few ways to get from 0 to 1, should be 2 found 0
16 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 255 ms 26232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 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 1408 KB Output is correct
13 Correct 238 ms 26104 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 122 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 62 ms 6908 KB Output is correct
21 Correct 241 ms 26232 KB Output is correct
22 Correct 244 ms 26104 KB Output is correct
23 Correct 252 ms 26104 KB Output is correct
24 Correct 237 ms 26104 KB Output is correct
25 Correct 108 ms 16120 KB Output is correct
26 Correct 108 ms 16120 KB Output is correct
27 Correct 261 ms 26232 KB Output is correct
28 Correct 235 ms 26104 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 10 ms 1408 KB Output is correct
37 Correct 242 ms 26232 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 1408 KB Output is correct
41 Correct 257 ms 26232 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 7 ms 1024 KB Output is correct
45 Correct 123 ms 16120 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 64 ms 6904 KB Output is correct
50 Correct 239 ms 26104 KB Output is correct
51 Correct 237 ms 26104 KB Output is correct
52 Correct 267 ms 26108 KB Output is correct
53 Correct 102 ms 16248 KB Output is correct
54 Correct 110 ms 16124 KB Output is correct
55 Correct 244 ms 26104 KB Output is correct
56 Correct 264 ms 26104 KB Output is correct
57 Correct 125 ms 16120 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 5 ms 1024 KB Output is correct
61 Correct 121 ms 16120 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 1 ms 384 KB Output is correct
64 Correct 1 ms 384 KB Output is correct
65 Incorrect 63 ms 6904 KB Too few ways to get from 1 to 11, should be 2 found 0
66 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 255 ms 26232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 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 1408 KB Output is correct
13 Correct 238 ms 26104 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 6 ms 1024 KB Output is correct
17 Correct 122 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 62 ms 6908 KB Output is correct
21 Correct 241 ms 26232 KB Output is correct
22 Correct 244 ms 26104 KB Output is correct
23 Correct 252 ms 26104 KB Output is correct
24 Correct 237 ms 26104 KB Output is correct
25 Correct 108 ms 16120 KB Output is correct
26 Correct 108 ms 16120 KB Output is correct
27 Correct 261 ms 26232 KB Output is correct
28 Correct 235 ms 26104 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 1 ms 512 KB Output is correct
31 Correct 1 ms 384 KB Output is correct
32 Correct 1 ms 512 KB Output is correct
33 Correct 1 ms 384 KB Output is correct
34 Correct 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 10 ms 1408 KB Output is correct
37 Correct 242 ms 26232 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 1408 KB Output is correct
41 Correct 257 ms 26232 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 7 ms 1024 KB Output is correct
45 Correct 123 ms 16120 KB Output is correct
46 Correct 1 ms 512 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 1 ms 384 KB Output is correct
49 Correct 64 ms 6904 KB Output is correct
50 Correct 239 ms 26104 KB Output is correct
51 Correct 237 ms 26104 KB Output is correct
52 Correct 267 ms 26108 KB Output is correct
53 Correct 102 ms 16248 KB Output is correct
54 Correct 110 ms 16124 KB Output is correct
55 Correct 244 ms 26104 KB Output is correct
56 Correct 264 ms 26104 KB Output is correct
57 Correct 125 ms 16120 KB Output is correct
58 Correct 1 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 1 ms 384 KB Output is correct
61 Correct 60 ms 6904 KB Output is correct
62 Correct 237 ms 26104 KB Output is correct
63 Correct 237 ms 26104 KB Output is correct
64 Correct 257 ms 26104 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 63 ms 6904 KB Output is correct
67 Correct 240 ms 26104 KB Output is correct
68 Correct 236 ms 26104 KB Output is correct
69 Correct 255 ms 26104 KB Output is correct
70 Correct 1 ms 384 KB Output is correct
71 Correct 1 ms 384 KB Output is correct
72 Incorrect 1 ms 512 KB Too few ways to get from 0 to 1, should be 2 found 0
73 Halted 0 ms 0 KB -