oj.uz

Submission #300368

# Submission time Handle Problem Language Result Execution time Memory
300368 2020-09-17T05:57:25 Z faustaadp Connecting Supertrees (IOI20_supertrees) C++17
40 / 100
 310 ms 26252 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;
				}
			}
		}
		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)
		{
			vector<ll> sat, dua;
			for(ll j = 0; j < sz; j++)
			{
				ll mi = 4;
				for(ll k = 0; k < sz; k++)
				{
					if(j == k)
						continue;
					mi = min(mi, (ll)px[v[i][j]][v[i][k]]);
				}
				if(mi == 2)
					dua.pb(v[i][j]);
				else
					sat.pb(v[i][j]);
			}
			ll ss = sat.size();
			ll sd = dua.size();
			if(dua.empty())
				bisa = 0;
			if(!bisa)break;
			// cout << ss << " " << sd << "_\n";
			for(ll j = 1; j < ss; j++)
			{
				answer[sat[j - 1]][sat[j]] = 1;
				answer[sat[j]][sat[j - 1]] = 1;
			}
			for(ll j = 1; j < sd; j++)
			{
				answer[dua[j - 1]][dua[j]] = 1;
				answer[dua[j]][dua[j - 1]] = 1;
			}
			answer[sat[0]][dua[0]] = 1;
			answer[dua[0]][sat[0]] = 1;
			answer[sat[0]][dua[sd - 1]] = 1;
			answer[dua[sd - 1]][sat[0]] = 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 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 262 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 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 262 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 288 KB Output is correct
12 Correct 11 ms 1440 KB Output is correct
13 Correct 310 ms 26052 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 129 ms 16120 KB Output is correct
18 Correct 1 ms 416 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 6904 KB Output is correct
21 Correct 280 ms 26104 KB Output is correct
22 Correct 255 ms 26096 KB Output is correct
23 Correct 303 ms 26104 KB Output is correct
24 Correct 266 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 115 ms 16120 KB Output is correct
27 Correct 270 ms 26108 KB Output is correct
28 Correct 251 ms 26104 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 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 11 ms 1408 KB Output is correct
9 Correct 255 ms 26104 KB Output is correct
10 Correct 1 ms 360 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 267 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 135 ms 16236 KB Output is correct
18 Correct 1 ms 288 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 262 ms 26164 KB Output is correct
23 Correct 256 ms 26076 KB Output is correct
24 Correct 293 ms 26252 KB Output is correct
25 Correct 118 ms 16120 KB Output is correct
26 Correct 116 ms 16120 KB Output is correct
27 Correct 253 ms 26104 KB Output is correct
28 Correct 260 ms 26104 KB Output is correct
29 Correct 111 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 64 ms 6904 KB Output is correct
5 Correct 260 ms 26096 KB Output is correct
6 Correct 259 ms 26104 KB Output is correct
7 Correct 273 ms 26100 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 63 ms 6908 KB Output is correct
10 Correct 262 ms 26104 KB Output is correct
11 Correct 258 ms 26092 KB Output is correct
12 Correct 261 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 Correct 1 ms 384 KB Output is correct
16 Incorrect 28 ms 4344 KB Answer gives possible 0 while actual possible 1
17 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 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 262 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 288 KB Output is correct
12 Correct 11 ms 1440 KB Output is correct
13 Correct 310 ms 26052 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 129 ms 16120 KB Output is correct
18 Correct 1 ms 416 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 6904 KB Output is correct
21 Correct 280 ms 26104 KB Output is correct
22 Correct 255 ms 26096 KB Output is correct
23 Correct 303 ms 26104 KB Output is correct
24 Correct 266 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 115 ms 16120 KB Output is correct
27 Correct 270 ms 26108 KB Output is correct
28 Correct 251 ms 26104 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 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 255 ms 26104 KB Output is correct
38 Correct 1 ms 360 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 267 ms 26104 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 6 ms 1024 KB Output is correct
45 Correct 135 ms 16236 KB Output is correct
46 Correct 1 ms 288 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 262 ms 26164 KB Output is correct
51 Correct 256 ms 26076 KB Output is correct
52 Correct 293 ms 26252 KB Output is correct
53 Correct 118 ms 16120 KB Output is correct
54 Correct 116 ms 16120 KB Output is correct
55 Correct 253 ms 26104 KB Output is correct
56 Correct 260 ms 26104 KB Output is correct
57 Correct 111 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 6 ms 1024 KB Output is correct
61 Correct 130 ms 16248 KB Output is correct
62 Correct 1 ms 384 KB Output is correct
63 Correct 1 ms 288 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 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 262 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 288 KB Output is correct
12 Correct 11 ms 1440 KB Output is correct
13 Correct 310 ms 26052 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 129 ms 16120 KB Output is correct
18 Correct 1 ms 416 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 63 ms 6904 KB Output is correct
21 Correct 280 ms 26104 KB Output is correct
22 Correct 255 ms 26096 KB Output is correct
23 Correct 303 ms 26104 KB Output is correct
24 Correct 266 ms 26104 KB Output is correct
25 Correct 115 ms 16120 KB Output is correct
26 Correct 115 ms 16120 KB Output is correct
27 Correct 270 ms 26108 KB Output is correct
28 Correct 251 ms 26104 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 1 ms 384 KB Output is correct
35 Correct 1 ms 384 KB Output is correct
36 Correct 11 ms 1408 KB Output is correct
37 Correct 255 ms 26104 KB Output is correct
38 Correct 1 ms 360 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1408 KB Output is correct
41 Correct 267 ms 26104 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 1 ms 384 KB Output is correct
44 Correct 6 ms 1024 KB Output is correct
45 Correct 135 ms 16236 KB Output is correct
46 Correct 1 ms 288 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 262 ms 26164 KB Output is correct
51 Correct 256 ms 26076 KB Output is correct
52 Correct 293 ms 26252 KB Output is correct
53 Correct 118 ms 16120 KB Output is correct
54 Correct 116 ms 16120 KB Output is correct
55 Correct 253 ms 26104 KB Output is correct
56 Correct 260 ms 26104 KB Output is correct
57 Correct 111 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 64 ms 6904 KB Output is correct
62 Correct 260 ms 26096 KB Output is correct
63 Correct 259 ms 26104 KB Output is correct
64 Correct 273 ms 26100 KB Output is correct
65 Correct 1 ms 384 KB Output is correct
66 Correct 63 ms 6908 KB Output is correct
67 Correct 262 ms 26104 KB Output is correct
68 Correct 258 ms 26092 KB Output is correct
69 Correct 261 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 Correct 1 ms 384 KB Output is correct
73 Incorrect 28 ms 4344 KB Answer gives possible 0 while actual possible 1
74 Halted 0 ms 0 KB -