Submission #1083961

#	Time	Username	Problem	Language	Result	Execution time	Memory
1083961		nickolasarapidis	Connecting Supertrees (IOI20_supertrees)	C++17	0 / 100	1 ms	348 KiB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

int construct(vector<vector<int>> p){
	int N = p.size(), cnt = 0;

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

	vector<vector<int>> curPaths(N, vector<int>(N, 0));
	vector<vector<bool>> satisfied(N, vector<bool>(N, false));

	vector<int> adj[N];

	for(int i = 0; i < N; i++){
		for(int j = 0; j < N; j++){
			if(i == j){
				curPaths[i][j] = 1;
				satisfied[i][j] = true;
				cnt++;
			}

			if(p[i][j] == 0){
				satisfied[i][j] = true;
				cnt++;
			}
		}
	}

	if(cnt == N*N){
		build(b);
		return 1;
	}

	for(int i = 0; i < N; i++){
		for(int j = 0; j < N; j++){
			if(satisfied[i][j]) continue;

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

	build(b);

	return 1;
}

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