Submission #136814

#	Time	Username	Problem	Language	Result	Execution time	Memory
136814		RiscadoA	Pareto (COCI17_pareto)	C++14	80 / 80	234 ms	3348 KiB

pareto

#include <bits/stdc++.h>

const int MAX_N = 300000;

int N;
double A, B, C[MAX_N];

void solve()
{
	// Sort bank accounts
	std::sort(std::begin(C), std::begin(C) + N, std::greater<double>());
	
	// Get the total amount of money in the bank
	double sum_C = 0.0;
	for (int i = 0; i < N; ++i)
		sum_C += C[i];

	double cur_C = 0.0;
	A = 0.0;
	B = 0.0;
	for (int i = 0; i < N; ++i) {
		cur_C += C[i];
		
		double new_A = ((double)(i + 1) / (double)N) * 100.0;
		double new_B = (cur_C / sum_C) * 100.0;
		
		if (new_B - new_A < B - A)
			break;
		A = new_A;
		B = new_B;
	}
}

int main()
{
	std::cin >> N;
	for (int i = 0; i < N; ++i)
		std::cin >> C[i];

	solve();

	std::cout << A << "\n" << B;
	return 0;
}

• Subtask 1: 80 / 80