제출 #366983

#제출 시각아이디문제언어결과실행 시간메모리
366983PurpleCrayon슈퍼트리 잇기 (IOI20_supertrees)C++17
11 / 100
233 ms22120 KiB
#include "supertrees.h"
#include <bits/stdc++.h>
using namespace std;

#define ar array
#define sz(v) int(v.size())

int n;

int construct(vector<vector<int>> g) {
	n = sz(g);
    vector<vector<int>> ans(n, vector<int>(n));


    bool done=0;

    [&](){
        for (int i = 0; i < n; i++) for (int j = i+1; j < n; j++) if (g[i][j] != 1) return;
        for (int i = 1; i < n; i++) ans[i][0] = ans[0][i] = 1;

        build(ans), done=1;
    }();

	return done;
}
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