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Submission #779604

# Submission time Handle Problem Language Result Execution time Memory
779604 2023-07-11T14:56:41 Z Malix Connecting Supertrees (IOI20_supertrees) C++14
0 / 100
 0 ms 292 KB 
#include "supertrees.h"
#include <vector>

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);
	}

	if(n==1){
		answer[0][0] = 0;
		build(answer);
		return 1;
	}

	int count = 0;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < n; j++){
			if(p[i][j] == 1){
				count++;
			}
		}
	}
	if(count == n){
		for(int i = 0; i < n; i++){
			for(int j = 0; j < n; j++){
				answer[i][j] = 0;
			}
		}
		build(answer);
		return 1;
	}
	else if(count == n*n){
		for(int i = 0; i < n; i++){
			for(int j = 0; j < n; j++){
				answer[i][j] = 0;
			}
		}
		for(int i = 0; i < n; i++){
			answer[i][0] = 1;
			answer[0][i] = 1;
		}
		build(answer);
		return 1;
	}

	build(answer);
	return 1;
}

Subtask #1
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB b[0][0] is not 0
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB b[0][0] is not 0
3 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 292 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 288 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 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB b[0][0] is not 0
3 Halted 0 ms 0 KB -

Subtask #6
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Incorrect 0 ms 212 KB b[0][0] is not 0
3 Halted 0 ms 0 KB -