oj.uz

Submission #300790

# Submission time Handle Problem Language Result Execution time Memory
300790 2020-09-17T13:31:15 Z Kerim Connecting Supertrees (IOI20_supertrees) C++17
100 / 100
 262 ms 22264 KB 
#include "supertrees.h"
#include "bits/stdc++.h"
#define MAXN 1009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int vis[MAXN];
vector<int>adj[MAXN];
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);
		answer.push_back(row);
	}int mx=0;
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			if(i!=j)
				umax(mx,p[i][j]);
	if(mx==3)
		return 0;
	if(mx==0){
		build(answer);
		return 1;
	}
	vector<int>a; int cnt=0;
	for(int i=0;i<n;i++)
		if(!vis[i]){
			a.clear();
			vis[i]=++cnt;a.pb(i);	
			for(int j=i+1;j<n;j++)
				if(p[i][j]){
					if(vis[j])
						return 0;
					if(p[i][j]==2){
						int who=-1;
						tr(it,a)
							if(p[*it][j]==1){
								who=*it;
								break;	
							}
						if(who==-1)
							a.pb(j);
						else{
							assert(who!=j);
							answer[who][j]=answer[j][who]=1,adj[who].pb(j);
						}
					}
					else
						answer[i][j]=answer[j][i]=1,adj[i].pb(j);
					vis[j]=cnt;
				}
			tr(it,a){
				for(int j=0;j<int(adj[*it].size());j++)
					for(int k=j+1;k<int(adj[*it].size());k++)
						if(p[adj[*it][j]][adj[*it][k]]!=1)
							return 0;	
			}
			for(int j=0;j<int(a.size());j++)
				for(int k=j+1;k<int(a.size());k++)
					for(int jj=0;jj<int(adj[a[j]].size());jj++)
						for(int kk=0;kk<int(adj[a[k]].size());kk++)
							if(p[adj[a[j]][jj]][adj[a[k]][kk]]!=2)
								return 0;
			if(int(a.size())==1)
				continue;
			if(int(a.size())==2)
				return 0;
			for(int j=0;j<int(a.size());j++)
				answer[a[j]][a[(j+1)%int(a.size())]]=answer[a[(j+1)%int(a.size())]][a[j]]=1;
		}
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
			if((vis[i]==vis[j] and !p[i][j]) or (p[i][j] and vis[i]!=vis[j]))
				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 1 ms 512 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 1280 KB Output is correct
7 Correct 246 ms 22264 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 1 ms 512 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 1280 KB Output is correct
7 Correct 246 ms 22264 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 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22136 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 111 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 241 ms 22136 KB Output is correct
22 Correct 236 ms 22136 KB Output is correct
23 Correct 261 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 112 ms 12144 KB Output is correct
26 Correct 108 ms 12148 KB Output is correct
27 Correct 249 ms 22136 KB Output is correct
28 Correct 241 ms 22140 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 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 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 234 ms 22132 KB Output is correct
10 Correct 0 ms 384 KB Output is correct
11 Correct 0 ms 384 KB Output is correct
12 Correct 11 ms 1280 KB Output is correct
13 Correct 246 ms 22132 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 111 ms 12152 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 64 ms 5880 KB Output is correct
22 Correct 244 ms 22136 KB Output is correct
23 Correct 244 ms 22136 KB Output is correct
24 Correct 248 ms 22136 KB Output is correct
25 Correct 105 ms 12248 KB Output is correct
26 Correct 106 ms 12280 KB Output is correct
27 Correct 241 ms 22136 KB Output is correct
28 Correct 248 ms 22136 KB Output is correct
29 Correct 103 ms 12280 KB Output is correct

Subtask #4
35.0 / 35.0

# 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 61 ms 5880 KB Output is correct
5 Correct 262 ms 22136 KB Output is correct
6 Correct 241 ms 22140 KB Output is correct
7 Correct 260 ms 22136 KB Output is correct
8 Correct 0 ms 384 KB Output is correct
9 Correct 60 ms 5880 KB Output is correct
10 Correct 243 ms 22136 KB Output is correct
11 Correct 245 ms 22264 KB Output is correct
12 Correct 258 ms 22136 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 60 ms 5880 KB Output is correct
17 Correct 247 ms 22136 KB Output is correct
18 Correct 252 ms 22176 KB Output is correct
19 Correct 243 ms 22136 KB Output is correct
20 Correct 247 ms 22136 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 1 ms 512 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 1280 KB Output is correct
7 Correct 246 ms 22264 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 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22136 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 111 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 241 ms 22136 KB Output is correct
22 Correct 236 ms 22136 KB Output is correct
23 Correct 261 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 112 ms 12144 KB Output is correct
26 Correct 108 ms 12148 KB Output is correct
27 Correct 249 ms 22136 KB Output is correct
28 Correct 241 ms 22140 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 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 234 ms 22132 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 246 ms 22132 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 111 ms 12152 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 64 ms 5880 KB Output is correct
50 Correct 244 ms 22136 KB Output is correct
51 Correct 244 ms 22136 KB Output is correct
52 Correct 248 ms 22136 KB Output is correct
53 Correct 105 ms 12248 KB Output is correct
54 Correct 106 ms 12280 KB Output is correct
55 Correct 241 ms 22136 KB Output is correct
56 Correct 248 ms 22136 KB Output is correct
57 Correct 103 ms 12280 KB Output is correct
58 Correct 0 ms 384 KB Output is correct
59 Correct 1 ms 384 KB Output is correct
60 Correct 6 ms 768 KB Output is correct
61 Correct 111 ms 12152 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 Correct 61 ms 5880 KB Output is correct
66 Correct 108 ms 12152 KB Output is correct
67 Correct 110 ms 12152 KB Output is correct
68 Correct 104 ms 12168 KB Output is correct
69 Correct 117 ms 12152 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 1 ms 512 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 1280 KB Output is correct
7 Correct 246 ms 22264 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 1 ms 384 KB Output is correct
12 Correct 10 ms 1280 KB Output is correct
13 Correct 241 ms 22136 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 0 ms 384 KB Output is correct
16 Correct 5 ms 768 KB Output is correct
17 Correct 111 ms 12144 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 61 ms 5880 KB Output is correct
21 Correct 241 ms 22136 KB Output is correct
22 Correct 236 ms 22136 KB Output is correct
23 Correct 261 ms 22136 KB Output is correct
24 Correct 239 ms 22264 KB Output is correct
25 Correct 112 ms 12144 KB Output is correct
26 Correct 108 ms 12148 KB Output is correct
27 Correct 249 ms 22136 KB Output is correct
28 Correct 241 ms 22140 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 0 ms 384 KB Output is correct
31 Correct 0 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 234 ms 22132 KB Output is correct
38 Correct 0 ms 384 KB Output is correct
39 Correct 0 ms 384 KB Output is correct
40 Correct 11 ms 1280 KB Output is correct
41 Correct 246 ms 22132 KB Output is correct
42 Correct 1 ms 384 KB Output is correct
43 Correct 0 ms 384 KB Output is correct
44 Correct 5 ms 768 KB Output is correct
45 Correct 111 ms 12152 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 64 ms 5880 KB Output is correct
50 Correct 244 ms 22136 KB Output is correct
51 Correct 244 ms 22136 KB Output is correct
52 Correct 248 ms 22136 KB Output is correct
53 Correct 105 ms 12248 KB Output is correct
54 Correct 106 ms 12280 KB Output is correct
55 Correct 241 ms 22136 KB Output is correct
56 Correct 248 ms 22136 KB Output is correct
57 Correct 103 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 0 ms 384 KB Output is correct
61 Correct 61 ms 5880 KB Output is correct
62 Correct 262 ms 22136 KB Output is correct
63 Correct 241 ms 22140 KB Output is correct
64 Correct 260 ms 22136 KB Output is correct
65 Correct 0 ms 384 KB Output is correct
66 Correct 60 ms 5880 KB Output is correct
67 Correct 243 ms 22136 KB Output is correct
68 Correct 245 ms 22264 KB Output is correct
69 Correct 258 ms 22136 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 60 ms 5880 KB Output is correct
74 Correct 247 ms 22136 KB Output is correct
75 Correct 252 ms 22176 KB Output is correct
76 Correct 243 ms 22136 KB Output is correct
77 Correct 247 ms 22136 KB Output is correct
78 Correct 0 ms 384 KB Output is correct
79 Correct 1 ms 384 KB Output is correct
80 Correct 6 ms 768 KB Output is correct
81 Correct 111 ms 12152 KB Output is correct
82 Correct 1 ms 384 KB Output is correct
83 Correct 1 ms 384 KB Output is correct
84 Correct 1 ms 384 KB Output is correct
85 Correct 61 ms 5880 KB Output is correct
86 Correct 108 ms 12152 KB Output is correct
87 Correct 110 ms 12152 KB Output is correct
88 Correct 104 ms 12168 KB Output is correct
89 Correct 117 ms 12152 KB Output is correct
90 Correct 0 ms 384 KB Output is correct
91 Correct 0 ms 384 KB Output is correct
92 Correct 5 ms 768 KB Output is correct
93 Correct 110 ms 12152 KB Output is correct
94 Correct 1 ms 512 KB Output is correct
95 Correct 0 ms 384 KB Output is correct
96 Correct 1 ms 384 KB Output is correct
97 Correct 26 ms 3328 KB Output is correct
98 Correct 103 ms 12152 KB Output is correct
99 Correct 103 ms 12152 KB Output is correct
100 Correct 104 ms 12152 KB Output is correct
101 Correct 103 ms 12152 KB Output is correct
102 Correct 112 ms 12152 KB Output is correct
103 Correct 115 ms 12152 KB Output is correct
104 Correct 113 ms 12152 KB Output is correct
105 Correct 111 ms 12148 KB Output is correct