Submission #1039802

#	Time	Username	Problem	Language	Result	Execution time	Memory
1039802		vjudge1	Fountain Parks (IOI21_parks)	C++17	5 / 100	45 ms	9032 KiB

parks

#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
int construct_roads(std::vector<int> x, std::vector<int> y) {
	vector<pair<pair<int,int>, int>> p;
	int n = x.size();
	for(int i = 0;i<n;i++) {
		p.push_back({{y[i], x[i]}, i});
	}
	sort(p.begin(), p.end());
	vector<int> u, v, a, b;
	for(int i = 1;i<n;i++) {
		if(p[i].first.first == p[i-1].first.first+2) {
			u.push_back(p[i-1].second);
			v.push_back(p[i].second);
			a.push_back(p[i].first.second+1);
			b.push_back(p[i].first.first-1);
		}
		else {
			return 0;
		}
	}
	build(u, v, a, b);
	return 1;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30