제출 #390093

#제출 시각아이디문제언어결과실행 시간메모리
390093ioi슈퍼트리 잇기 (IOI20_supertrees)C++14
11 / 100
252 ms23896 KiB
#include "supertrees.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std ;
const int N = 10000;

int dsu[N] ;

int findp(int u){
    if(dsu[u] == u)
        return u ;

    return dsu[u] = findp(dsu[u]);

}
void connect(int u , int v){
    u = findp(dsu[u]) , v = findp(dsu[v]);

    if(u == v)return ;


    dsu[u] = v ;



}
int construct(vector<std::vector<int>> p) {
	int n = p.size();
    vector<std::vector<int>> answer;
    //ঠিক সেই ক্ষেত্রে p[i][j] = 1


	for (int i = 0; i < n; i++) {
        dsu[i] = i ;

		vector<int> row (0 , 0);
		row.resize(n);
		answer.push_back(row);
	}

	for(int i = 0 ; i < n - 1; i ++)
        if(p[i][i + 1])
            answer[i][i + 1] = 1 , answer[i + 1][i] = 1 ;


	build(answer);
	return 1;
}
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