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Submission #777043

# Submission time Handle Problem Language Result Execution time Memory
777043 2023-07-08T14:29:24 Z YassirSalama Connecting Supertrees (IOI20_supertrees) C++14
11 / 100
 149 ms 22036 KB 
#include "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
const int MAXN=1100;
int par[MAXN];
void make_set(){
	for(int i=0;i<MAXN;i++) par[i]=i;
}
int find(int node){
	if(node==par[node]) return node;
	return par[node]=find(par[node]);
}
void merge(int a,int b){
	par[find(a)]=b;
}
int construct(vector<vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer(n,vector<int>(n,0));
	make_set();
	for(int i=0;i<n;i++){
		for(int j=0;j<n;j++){
			if(answer[i][j]) continue;
			if(find(i)==find(j)) {
				// if(p[i][j]==0) return 0;
				answer[i][j]=answer[j][i]=0;
			}
			else{
				if(p[i][j]==0) continue;
				merge(i,j);
				answer[i][j]=answer[j][i]=1;
			}
		}
	}
	build(answer);
	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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1124 KB Output is correct
7 Correct 149 ms 22036 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1124 KB Output is correct
7 Correct 149 ms 22036 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 7 ms 1108 KB Output is correct
13 Correct 147 ms 22036 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 1 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 1
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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1124 KB Output is correct
7 Correct 149 ms 22036 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 7 ms 1108 KB Output is correct
13 Correct 147 ms 22036 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 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 7 ms 1124 KB Output is correct
7 Correct 149 ms 22036 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 7 ms 1108 KB Output is correct
13 Correct 147 ms 22036 KB Output is correct
14 Incorrect 1 ms 212 KB Answer gives possible 1 while actual possible 0
15 Halted 0 ms 0 KB -