oj.uz

Submission #301712

# Submission time Handle Problem Language Result Execution time Memory
301712 2020-09-18T06:32:13 Z Muhammetali Connecting Supertrees (IOI20_supertrees) C++14
100 / 100
 289 ms 26232 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
vi get_comp(vector<vi>& adj,vector<bool>& vis,int k)
{
	assert(!vis[k]);
	vis[k]=1;
	vi comp(1,k);
	for (int i=0;i<sz(comp);i++)
	{
		assert(vis[comp[i]]);
		for (int j:adj[comp[i]])
		{
			if (!vis[j])
			{
				vis[j]=1;
				comp.pb(j);
			}
		}
	}
	return comp;
}
int construct(vector<vi> p)
{
	int n=sz(p);
	vector<vi> ans(n,vi(n));
	vector<vi> adjtree(n),adjcycl(n);
	for (int i=0;i<n;i++)
	{
		for (int j=0;j<n;j++)
		{
			if (p[i][j]==3)return 0;
			if (p[i][j]==1)adjtree[i].pb(j);
		}
	}
	vector<vi>trees;
	vi roots;
	vector<bool> vis(n);
	for (int i=0;i<n;i++)
	{
		if (!vis[i])
		{
			trees.pb(get_comp(adjtree,vis,i));
			roots.pb(trees.bk.bk);
		}
	}
	for (int i=0;i<sz(roots);i++)
	{
		for (int j=0;j<sz(roots);j++)
		{
			int k1=p[roots[i]][roots[j]];
			if (k1==0 && i==j)return 0;
			if (k1==1 && i!=j)return 0;
			if (k1==2 && i==j)return 0;
			for(int k:trees[i])for(int l:trees[j])if(p[k][l]!=k1)return 0;
		}
	}
	for(auto& i:trees)for(int j=1;j<sz(i);j++)ans[i[0]][i[j]]=1;
	for(int i:roots)for(int j:roots)if (p[i][j]==2)adjcycl[i].pb(j);
	vis=vector<bool>(n);
	for (int i:roots)
	{
		if (!vis[i])
		{
			vi v=get_comp(adjcycl,vis,i);
			if(sz(v)==2)return 0;
			for(int j:v)for(int k:v)if(p[j][k]!=2 && j!=k)return 0;
			if(sz(v)>1)for(int k=0,l=sz(v)-1;k<sz(v);l=k++)ans[v[k]][v[l]] = 1;
		}
	}
	for (int i=0;i<n;i++)
	{
		for (int j=0;j<n;j++)
		{
			ans[i][j]|=ans[j][i];
			ans[j][i]|=ans[i][j];
		}
	}
	for (int i=0;i<n;i++)ans[i][i]=0;
	build(ans);
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 271 ms 26232 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 271 ms 26232 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 252 ms 22264 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 122 ms 14712 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5884 KB Output is correct
21 Correct 251 ms 22648 KB Output is correct
22 Correct 244 ms 22136 KB Output is correct
23 Correct 259 ms 24184 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 108 ms 12664 KB Output is correct
26 Correct 101 ms 12280 KB Output is correct
27 Correct 258 ms 25340 KB Output is correct
28 Correct 248 ms 22264 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 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 256 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 1 ms 256 KB Output is correct
7 Correct 1 ms 256 KB Output is correct
8 Correct 11 ms 1280 KB Output is correct
9 Correct 251 ms 22264 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 13 ms 1408 KB Output is correct
13 Correct 268 ms 26232 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 7 ms 896 KB Output is correct
17 Correct 139 ms 14712 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 1 ms 256 KB Output is correct
21 Correct 63 ms 5880 KB Output is correct
22 Correct 258 ms 22776 KB Output is correct
23 Correct 251 ms 22264 KB Output is correct
24 Correct 274 ms 25336 KB Output is correct
25 Correct 106 ms 12280 KB Output is correct
26 Correct 115 ms 12796 KB Output is correct
27 Correct 252 ms 22264 KB Output is correct
28 Correct 289 ms 24260 KB Output is correct
29 Correct 107 ms 12280 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 62 ms 5880 KB Output is correct
5 Correct 268 ms 22648 KB Output is correct
6 Correct 247 ms 22136 KB Output is correct
7 Correct 270 ms 24184 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 72 ms 5912 KB Output is correct
10 Correct 262 ms 22904 KB Output is correct
11 Correct 258 ms 22356 KB Output is correct
12 Correct 276 ms 25428 KB Output is correct
13 Correct 1 ms 256 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 63 ms 5880 KB Output is correct
17 Correct 255 ms 22876 KB Output is correct
18 Correct 252 ms 22552 KB Output is correct
19 Correct 249 ms 22392 KB Output is correct
20 Correct 249 ms 22264 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 271 ms 26232 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 252 ms 22264 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 122 ms 14712 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5884 KB Output is correct
21 Correct 251 ms 22648 KB Output is correct
22 Correct 244 ms 22136 KB Output is correct
23 Correct 259 ms 24184 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 108 ms 12664 KB Output is correct
26 Correct 101 ms 12280 KB Output is correct
27 Correct 258 ms 25340 KB Output is correct
28 Correct 248 ms 22264 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 11 ms 1280 KB Output is correct
37 Correct 251 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 13 ms 1408 KB Output is correct
41 Correct 268 ms 26232 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 7 ms 896 KB Output is correct
45 Correct 139 ms 14712 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 1 ms 256 KB Output is correct
48 Correct 1 ms 256 KB Output is correct
49 Correct 63 ms 5880 KB Output is correct
50 Correct 258 ms 22776 KB Output is correct
51 Correct 251 ms 22264 KB Output is correct
52 Correct 274 ms 25336 KB Output is correct
53 Correct 106 ms 12280 KB Output is correct
54 Correct 115 ms 12796 KB Output is correct
55 Correct 252 ms 22264 KB Output is correct
56 Correct 289 ms 24260 KB Output is correct
57 Correct 107 ms 12280 KB Output is correct
58 Correct 1 ms 256 KB Output is correct
59 Correct 1 ms 256 KB Output is correct
60 Correct 6 ms 896 KB Output is correct
61 Correct 132 ms 14200 KB Output is correct
62 Correct 1 ms 256 KB Output is correct
63 Correct 1 ms 256 KB Output is correct
64 Correct 1 ms 256 KB Output is correct
65 Correct 64 ms 5884 KB Output is correct
66 Correct 104 ms 12280 KB Output is correct
67 Correct 105 ms 12280 KB Output is correct
68 Correct 102 ms 12408 KB Output is correct
69 Correct 107 ms 12280 KB Output is correct

Subtask #6
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 256 KB Output is correct
6 Correct 11 ms 1408 KB Output is correct
7 Correct 271 ms 26232 KB Output is correct
8 Correct 1 ms 256 KB Output is correct
9 Correct 1 ms 256 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 256 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 252 ms 22264 KB Output is correct
14 Correct 1 ms 256 KB Output is correct
15 Correct 1 ms 256 KB Output is correct
16 Correct 6 ms 896 KB Output is correct
17 Correct 122 ms 14712 KB Output is correct
18 Correct 1 ms 256 KB Output is correct
19 Correct 1 ms 256 KB Output is correct
20 Correct 64 ms 5884 KB Output is correct
21 Correct 251 ms 22648 KB Output is correct
22 Correct 244 ms 22136 KB Output is correct
23 Correct 259 ms 24184 KB Output is correct
24 Correct 247 ms 22264 KB Output is correct
25 Correct 108 ms 12664 KB Output is correct
26 Correct 101 ms 12280 KB Output is correct
27 Correct 258 ms 25340 KB Output is correct
28 Correct 248 ms 22264 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 256 KB Output is correct
31 Correct 1 ms 256 KB Output is correct
32 Correct 1 ms 256 KB Output is correct
33 Correct 1 ms 256 KB Output is correct
34 Correct 1 ms 256 KB Output is correct
35 Correct 1 ms 256 KB Output is correct
36 Correct 11 ms 1280 KB Output is correct
37 Correct 251 ms 22264 KB Output is correct
38 Correct 1 ms 384 KB Output is correct
39 Correct 1 ms 256 KB Output is correct
40 Correct 13 ms 1408 KB Output is correct
41 Correct 268 ms 26232 KB Output is correct
42 Correct 1 ms 256 KB Output is correct
43 Correct 1 ms 256 KB Output is correct
44 Correct 7 ms 896 KB Output is correct
45 Correct 139 ms 14712 KB Output is correct
46 Correct 1 ms 256 KB Output is correct
47 Correct 1 ms 256 KB Output is correct
48 Correct 1 ms 256 KB Output is correct
49 Correct 63 ms 5880 KB Output is correct
50 Correct 258 ms 22776 KB Output is correct
51 Correct 251 ms 22264 KB Output is correct
52 Correct 274 ms 25336 KB Output is correct
53 Correct 106 ms 12280 KB Output is correct
54 Correct 115 ms 12796 KB Output is correct
55 Correct 252 ms 22264 KB Output is correct
56 Correct 289 ms 24260 KB Output is correct
57 Correct 107 ms 12280 KB Output is correct
58 Correct 1 ms 256 KB Output is correct
59 Correct 1 ms 256 KB Output is correct
60 Correct 1 ms 256 KB Output is correct
61 Correct 62 ms 5880 KB Output is correct
62 Correct 268 ms 22648 KB Output is correct
63 Correct 247 ms 22136 KB Output is correct
64 Correct 270 ms 24184 KB Output is correct
65 Correct 1 ms 256 KB Output is correct
66 Correct 72 ms 5912 KB Output is correct
67 Correct 262 ms 22904 KB Output is correct
68 Correct 258 ms 22356 KB Output is correct
69 Correct 276 ms 25428 KB Output is correct
70 Correct 1 ms 256 KB Output is correct
71 Correct 1 ms 384 KB Output is correct
72 Correct 1 ms 256 KB Output is correct
73 Correct 63 ms 5880 KB Output is correct
74 Correct 255 ms 22876 KB Output is correct
75 Correct 252 ms 22552 KB Output is correct
76 Correct 249 ms 22392 KB Output is correct
77 Correct 249 ms 22264 KB Output is correct
78 Correct 1 ms 256 KB Output is correct
79 Correct 1 ms 256 KB Output is correct
80 Correct 6 ms 896 KB Output is correct
81 Correct 132 ms 14200 KB Output is correct
82 Correct 1 ms 256 KB Output is correct
83 Correct 1 ms 256 KB Output is correct
84 Correct 1 ms 256 KB Output is correct
85 Correct 64 ms 5884 KB Output is correct
86 Correct 104 ms 12280 KB Output is correct
87 Correct 105 ms 12280 KB Output is correct
88 Correct 102 ms 12408 KB Output is correct
89 Correct 107 ms 12280 KB Output is correct
90 Correct 1 ms 256 KB Output is correct
91 Correct 1 ms 256 KB Output is correct
92 Correct 5 ms 768 KB Output is correct
93 Correct 113 ms 12152 KB Output is correct
94 Correct 1 ms 256 KB Output is correct
95 Correct 1 ms 256 KB Output is correct
96 Correct 1 ms 256 KB Output is correct
97 Correct 25 ms 3328 KB Output is correct
98 Correct 114 ms 12152 KB Output is correct
99 Correct 106 ms 12152 KB Output is correct
100 Correct 100 ms 12280 KB Output is correct
101 Correct 101 ms 12152 KB Output is correct
102 Correct 113 ms 12152 KB Output is correct
103 Correct 112 ms 12152 KB Output is correct
104 Correct 111 ms 12152 KB Output is correct
105 Correct 112 ms 12280 KB Output is correct