oj.uz

Submission #783558

# Submission time Handle Problem Language Result Execution time Memory
783558 2023-07-15T03:50:05 Z mindiyak Connecting Supertrees (IOI20_supertrees) C++14
11 / 100
 533 ms 22016 KB 
#include "supertrees.h"
#include <vector>
#include <iostream>

#define pb push_back

using namespace std;

int find_head(vector<int> a,int val){
	if(a[val] == val)
	    return val;
	return find_head(a,a[val]);
}

int find_leaf(vector<int> a,int val){
	if(a[val] == val)
	    return val;
	return find_leaf(a,a[val]);
}

int construct(vector<vector<int>> p) {
    // cout << "started" << endl;
	int n = p.size();

	vector<vector<int>> ans;
	vector<int> temp(n,0);
	vector<int> head;
	vector<int> leaf;
	for (int i = 0; i < n; i++) {
		ans.pb(temp);
		head.pb(i);
		leaf.pb(i);
	}

	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(p[i][j] == 1){
				int c = min(i,j),d = max(i,j);
				int h_c = find_head(head,c);
				int h_d = find_head(head,d);
				if(h_c != h_d){
				    ans[h_c][h_d] = 1;
				    ans[h_d][h_c] = 1;
				}
				head[h_d] = h_c;
				leaf[h_c] = find_leaf(leaf,d);
			} 
		}
	}

	build(ans);
// 	cout << "finish" << endl;
	return 1;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 15 ms 1120 KB Output is correct
7 Correct 533 ms 22012 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 15 ms 1120 KB Output is correct
7 Correct 533 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 144 ms 22016 KB Output is correct
14 Incorrect 1 ms 212 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 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 0 ms 212 KB Answer gives possible 1 while actual possible 0
5 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB Too few ways to get from 0 to 1, should be 2 found 0
3 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 15 ms 1120 KB Output is correct
7 Correct 533 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 144 ms 22016 KB Output is correct
14 Incorrect 1 ms 212 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 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 15 ms 1120 KB Output is correct
7 Correct 533 ms 22012 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 6 ms 1108 KB Output is correct
13 Correct 144 ms 22016 KB Output is correct
14 Incorrect 1 ms 212 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -