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Submission #1083928

# Submission time Handle Problem Language Result Execution time Memory
1083928 2024-09-04T14:38:02 Z nickolasarapidis Connecting Supertrees (IOI20_supertrees) C++17
0 / 100
 126 ms 24072 KB 
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int construct(vector<vector<int>> p){
	int N = p.size();

	for(int i = 0; i < N; i++){
		unordered_map<int, int> freq;

		for(int j = 0; j < N; j++){
			freq[p[i][j]]++;
		}

		for(auto x : freq){
			if(x.first == 0 or x.first == 1) continue;
			if(x.second == 1) return 0;
		}
	}

	vector<vector<int>> b(N, vector<int>(N, 0));

	for(int i = 0; i < N; i++){
		for(int j = 0; j < N; j++){
			if(i == j) continue;
			if(p[i][j] != 0){
				b[i][j] = 1;
				b[j][i] = 1;
			}
		}
	}

	build(b);

	return 1;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 348 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 348 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #3
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 436 KB Output is correct
8 Correct 5 ms 1368 KB Output is correct
9 Correct 126 ms 24072 KB Output is correct
10 Incorrect 0 ms 600 KB Too many ways to get from 0 to 3, should be 2 found no less than 3
11 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Too many ways to get from 1 to 4, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 348 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Incorrect 0 ms 348 KB Too many ways to get from 0 to 2, should be 1 found no less than 2
4 Halted 0 ms 0 KB -