oj.uz

Submission #300795

# Submission time Handle Problem Language Result Execution time Memory
300795 2020-09-17T13:36:59 Z Kerim Connecting Supertrees (IOI20_supertrees) C++17
46 / 100
 257 ms 22284 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==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
							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;
				}
			if(int(a.size())==1)
				continue;
			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;
		}
	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 0 ms 384 KB Output is correct
3 Correct 0 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 10 ms 1280 KB Output is correct
7 Correct 239 ms 22136 KB Output is correct

Subtask #2
0 / 10.0

# 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 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 239 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 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 1280 KB Output is correct
13 Correct 249 ms 22128 KB Output is correct
14 Incorrect 0 ms 384 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# 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 0 ms 384 KB Output is correct
4 Incorrect 0 ms 384 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

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 59 ms 5880 KB Output is correct
5 Correct 244 ms 22264 KB Output is correct
6 Correct 245 ms 22264 KB Output is correct
7 Correct 256 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 61 ms 5892 KB Output is correct
10 Correct 246 ms 22264 KB Output is correct
11 Correct 248 ms 22136 KB Output is correct
12 Correct 257 ms 22136 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 Correct 61 ms 5880 KB Output is correct
17 Correct 245 ms 22284 KB Output is correct
18 Correct 245 ms 22136 KB Output is correct
19 Correct 241 ms 22136 KB Output is correct
20 Correct 248 ms 22136 KB Output is correct

Subtask #5
0 / 21.0

# 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 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 10 ms 1280 KB Output is correct
7 Correct 239 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 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 1280 KB Output is correct
13 Correct 249 ms 22128 KB Output is correct
14 Incorrect 0 ms 384 KB Answer gives possible 1 while actual possible 0
15 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 0 ms 384 KB Output is correct
3 Correct 0 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 10 ms 1280 KB Output is correct
7 Correct 239 ms 22136 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 0 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 1280 KB Output is correct
13 Correct 249 ms 22128 KB Output is correct
14 Incorrect 0 ms 384 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -