Submission #82701

#	Time	Username	Problem	Language	Result	Execution time	Memory
82701		heon	Unija (COCI17_unija)	C++11	100 / 100	395 ms	58144 KiB

unija

#include<bits/stdc++.h>

using namespace std;
int main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int n;
	cin >> n;
	vector <pair<long long, long long>> v;
	for(int i = 0; i < n; i++){
		long long x,y;
		cin >> x >> y;
		x /= 2;
		y /= 2;
		v.push_back(make_pair(x,y));
	}
	sort(v.rbegin(), v.rend());
	long long my = 0;
	long long sol = 0;
	for(int i = 0; i < n; i++){
		if(v[i].second <= my) continue;
		sol += (v[i].first * (v[i].second - my));
		my = max(my, v[i].second);
	}
	sol *= 4;
	cout << sol;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10