제출 #1083932

#제출 시각아이디문제언어결과실행 시간메모리
1083932nickolasarapidis슈퍼트리 잇기 (IOI20_supertrees)C++17
0 / 100
1 ms348 KiB
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

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

	for(int i = 0; i < N; i++){
		unordered_map<int, int> freq;

		for(int j = 0; j < N; j++){
			freq[p[i][j]]++;
		}

		for(auto x : freq){
			if(x.first == 0 or x.first == 1) continue;
			if(x.second == 1) return 0;
		}
	}

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

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

	build(b);

	return 1;
}
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