oj.uz

Submission #300392

# Submission time Handle Problem Language Result Execution time Memory
300392 2020-09-17T06:37:39 Z faustaadp Connecting Supertrees (IOI20_supertrees) C++17
40 / 100
 265 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], kel[NN], ket[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;
				}
			}
		}
		else
		if(x[3] == 1 && x[1] == 0)
		{
			if(sz <= 3)
				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;
				}
				answer[v[i][1]][v[i][sz - 1]] = 1;
				answer[v[i][sz - 1]][v[i][1]] = 1;
			}
		}
		else
		if(x[2] == 1 && x[1] == 1)
		{
			ll te = 0;
			for(ll j = 0; j < sz; j++)
			{
				if(kel[v[i][j]])
					continue;
				te++;
				ket[te] = v[i][j];
				// cout << te << " " << ket[te] << "_\n"
				for(ll k = 0; k < sz; k++)
				{
					if(j == k)
						continue;
					if(px[v[i][j]][v[i][k]] == 1)
					{
						kel[v[i][k]] = te;
						// cout << v[i][j] << " " << v[i][k] << "_\n";
						answer[v[i][j]][v[i][k]] = 1;
						answer[v[i][k]][v[i][j]] = 1;
					}
				}
			}
			for(ll j = 0; j < sz; j++)
				for(ll k = 0; k < sz; k++)
				{
					if(px[v[i][j]][v[i][k]] == 1 && kel[v[i][j]] != kel[v[i][k]])
						bisa = 0;
					if(px[v[i][j]][v[i][k]] != 1 && kel[v[i][j]] == kel[v[i][k]])
						bisa = 0;
				}
			if(!bisa)
				break;
			for(ll j = 1; j < te; j++)
			{
				// cout << ket[j] << " " << ket[j + 1] << "_\n";
				answer[ket[j]][ket[j + 1]] = 1;
				answer[ket[j + 1]][ket[j]] = 1;
			}
			answer[ket[te]][ket[1]] = 1;
			answer[ket[1]][ket[te]] = 1;
		}
		else
		if(x[3] == 1 && x[1] == 1)
		{
			ll te = 0;
			for(ll j = 0; j < sz; j++)
			{
				if(kel[v[i][j]])
					continue;
				te++;
				ket[te] = v[i][j];
				// cout << te << " " << ket[te] << "_\n"
				for(ll k = 0; k < sz; k++)
				{
					if(j == k)
						continue;
					if(px[v[i][j]][v[i][k]] == 1)
					{
						kel[v[i][k]] = te;
						// cout << v[i][j] << " " << v[i][k] << "_\n";
						answer[v[i][j]][v[i][k]] = 1;
						answer[v[i][k]][v[i][j]] = 1;
					}
				}
			}
			if(te <= 2)
				bisa = 0;
			for(ll j = 0; j < sz; j++)
				for(ll k = 0; k < sz; k++)
				{
					if(px[v[i][j]][v[i][k]] == 1 && kel[v[i][j]] != kel[v[i][k]])
						bisa = 0;
					if(px[v[i][j]][v[i][k]] != 1 && kel[v[i][j]] == kel[v[i][k]])
						bisa = 0;
				}
			if(!bisa)
				break;
			for(ll j = 1; j < te; j++)
			{
				// cout << ket[j] << " " << ket[j + 1] << "_\n";
				answer[ket[j]][ket[j + 1]] = 1;
				answer[ket[j + 1]][ket[j]] = 1;
			}
			answer[ket[te]][ket[1]] = 1;
			answer[ket[1]][ket[te]] = 1;
			answer[ket[te]][ket[2]] = 1;
			answer[ket[2]][ket[te]] = 1;
		}
	}
	if(!bisa)return 0;
	build(answer);
	return 1;
}

Subtask #1
11.0 / 11.0

# 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 416 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 265 ms 26104 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 1 ms 384 KB Output is correct
3 Correct 1 ms 416 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 265 ms 26104 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 11 ms 1408 KB Output is correct
13 Correct 244 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 127 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 63 ms 6880 KB Output is correct
21 Correct 248 ms 26104 KB Output is correct
22 Correct 248 ms 26116 KB Output is correct
23 Correct 260 ms 26104 KB Output is correct
24 Correct 244 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 107 ms 16120 KB Output is correct
27 Correct 263 ms 26232 KB Output is correct
28 Correct 265 ms 26104 KB Output is correct

Subtask #3
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 288 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 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 253 ms 26060 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 360 KB Output is correct
12 Correct 15 ms 1408 KB Output is correct
13 Correct 259 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 8 ms 1024 KB Output is correct
17 Correct 126 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 0 ms 384 KB Output is correct
21 Correct 74 ms 6904 KB Output is correct
22 Correct 258 ms 26104 KB Output is correct
23 Correct 244 ms 26104 KB Output is correct
24 Correct 258 ms 26104 KB Output is correct
25 Correct 124 ms 16120 KB Output is correct
26 Correct 111 ms 16120 KB Output is correct
27 Correct 243 ms 26104 KB Output is correct
28 Correct 260 ms 26104 KB Output is correct
29 Correct 108 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 0 ms 384 KB Output is correct
4 Correct 61 ms 6904 KB Output is correct
5 Correct 251 ms 26104 KB Output is correct
6 Correct 260 ms 26096 KB Output is correct
7 Correct 257 ms 26232 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 64 ms 6904 KB Output is correct
10 Correct 246 ms 26104 KB Output is correct
11 Correct 246 ms 26232 KB Output is correct
12 Correct 257 ms 26104 KB Output is correct
13 Correct 0 ms 384 KB Output is correct
14 Correct 0 ms 384 KB Output is correct
15 Incorrect 1 ms 384 KB Answer gives possible 0 while actual possible 1
16 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# 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 416 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 265 ms 26104 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 11 ms 1408 KB Output is correct
13 Correct 244 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 127 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 63 ms 6880 KB Output is correct
21 Correct 248 ms 26104 KB Output is correct
22 Correct 248 ms 26116 KB Output is correct
23 Correct 260 ms 26104 KB Output is correct
24 Correct 244 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 107 ms 16120 KB Output is correct
27 Correct 263 ms 26232 KB Output is correct
28 Correct 265 ms 26104 KB Output is correct
29 Correct 1 ms 288 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 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 253 ms 26060 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 360 KB Output is correct
40 Correct 15 ms 1408 KB Output is correct
41 Correct 259 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 8 ms 1024 KB Output is correct
45 Correct 126 ms 16120 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 74 ms 6904 KB Output is correct
50 Correct 258 ms 26104 KB Output is correct
51 Correct 244 ms 26104 KB Output is correct
52 Correct 258 ms 26104 KB Output is correct
53 Correct 124 ms 16120 KB Output is correct
54 Correct 111 ms 16120 KB Output is correct
55 Correct 243 ms 26104 KB Output is correct
56 Correct 260 ms 26104 KB Output is correct
57 Correct 108 ms 16120 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 125 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 28 ms 4352 KB Answer gives possible 0 while actual possible 1
66 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# 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 416 KB Output is correct
4 Correct 1 ms 512 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 265 ms 26104 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 11 ms 1408 KB Output is correct
13 Correct 244 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 127 ms 16120 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 0 ms 384 KB Output is correct
20 Correct 63 ms 6880 KB Output is correct
21 Correct 248 ms 26104 KB Output is correct
22 Correct 248 ms 26116 KB Output is correct
23 Correct 260 ms 26104 KB Output is correct
24 Correct 244 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 107 ms 16120 KB Output is correct
27 Correct 263 ms 26232 KB Output is correct
28 Correct 265 ms 26104 KB Output is correct
29 Correct 1 ms 288 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 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 253 ms 26060 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 360 KB Output is correct
40 Correct 15 ms 1408 KB Output is correct
41 Correct 259 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 8 ms 1024 KB Output is correct
45 Correct 126 ms 16120 KB Output is correct
46 Correct 1 ms 384 KB Output is correct
47 Correct 1 ms 384 KB Output is correct
48 Correct 0 ms 384 KB Output is correct
49 Correct 74 ms 6904 KB Output is correct
50 Correct 258 ms 26104 KB Output is correct
51 Correct 244 ms 26104 KB Output is correct
52 Correct 258 ms 26104 KB Output is correct
53 Correct 124 ms 16120 KB Output is correct
54 Correct 111 ms 16120 KB Output is correct
55 Correct 243 ms 26104 KB Output is correct
56 Correct 260 ms 26104 KB Output is correct
57 Correct 108 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 0 ms 384 KB Output is correct
61 Correct 61 ms 6904 KB Output is correct
62 Correct 251 ms 26104 KB Output is correct
63 Correct 260 ms 26096 KB Output is correct
64 Correct 257 ms 26232 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 64 ms 6904 KB Output is correct
67 Correct 246 ms 26104 KB Output is correct
68 Correct 246 ms 26232 KB Output is correct
69 Correct 257 ms 26104 KB Output is correct
70 Correct 0 ms 384 KB Output is correct
71 Correct 0 ms 384 KB Output is correct
72 Incorrect 1 ms 384 KB Answer gives possible 0 while actual possible 1
73 Halted 0 ms 0 KB -