Submission #366983

#	Time	Username	Problem	Language	Result	Execution time	Memory
366983		PurpleCrayon	Connecting Supertrees (IOI20_supertrees)	C++17	11 / 100	233 ms	22120 KiB

supertrees

#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;
}

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