Submission #447646

#	Time	Username	Problem	Language	Result	Execution time	Memory
447646		EliteCallsYou	Connecting Supertrees (IOI20_supertrees)	C++17	21 / 100	844 ms	24124 KiB

supertrees

#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std ;
 
int construct(std::vector<std::vector<int>> p) {
	int n = (int)p.size();
	std::vector<std::vector<int>> answer;
	for (int i = 0; i < n ; i++ ) {
		std::vector<int> row;
		row.resize(n);
		for ( int j = 0 ; j < n ; j ++ ){
			if ( p[i][j] ){
				if ( i == j ){ row[j] = 0 ; continue ; }
				bool found = false ;
				for ( int l = 0 ; l < min(i,j) ; l ++ ){
					if ( p[i][l] && p[j][l] && l != i && l != j ){
						found = true ;
						break ;
					}
				}
				if ( !found ){ row[j] = 1 ; }
			}
			else{
				for ( int l = 0 ; l < j ; l ++ ){
					if ( p[i][l] && p[l][j] ){
						return 0;
					}
				}
			}
		}
		answer.push_back(row);
	}
	build(answer);
	return 1;
}

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