Submission #779123

#	Time	Username	Problem	Language	Result	Execution time	Memory
779123		Josia	Connecting Supertrees (IOI20_supertrees)	C++17	11 / 100	160 ms	21948 KiB

supertrees

#include "supertrees.h"
#include <vector>
#include <bits/stdc++.h>


using namespace std;


int construct(std::vector<std::vector<int>> p) {
	int n = p.size();
	vector<vector<int>> answer(n, vector<int>(n));

	vector<int> vals;

	for (int i = 0; i<n; i++) {
		bool isZero = p[i][0]==0;
		for (int j = 0; j<n; j++) {
			if ((p[i][j] == 0) != isZero) return 0;
		}
		if (!isZero) vals.push_back(i);
	}

	for (int i = 0; i<(int)(vals.size())-1; i++) {
		answer[i][i+1] = 1;
		answer[i+1][i] = 1;
	}

	build(answer);
	return 1;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 10
• Subtask 3: 0 / 19
• Subtask 4: 0 / 35
• Subtask 5: 0 / 21
• Subtask 6: 0 / 4