제출 #105915

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
105915		leonarda	Pareto (COCI17_pareto)	C++14	80 / 80	68 ms	5088 KiB

pareto

#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define F first
#define S second
typedef pair<int, int> pi;
typedef long long int lint;
const int inf = 0x3f3f3f3f;
const int maxn = 3 * 1e5;

int n;
lint a[maxn];
lint sum[maxn];
double x, y, maks;

bool komp(lint t1, lint t2) {
	return t1 > t2;
}

int main ()
{
	ios::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
	
	cin >> n;
	for(int i = 0; i < n; ++i)
		cin >> a[i];
	
	sort(a, a + n, komp);
	
	sum[0] = a[0];
	for(int i = 1; i < n; ++i)
		sum[i] = sum[i - 1] + a[i];
	
	for(int i = 0; i < n; ++i) {
		double pare = (double)sum[i] / (double)sum[n - 1] * 100;
		double ljudi = (double)(i + 1) / (double)n * 100;
		
		if(pare - ljudi > maks) {
			maks = pare - ljudi;
			x = pare;
			y = ljudi;
		}
	}
	
	cout << setprecision(10) << y << endl << setprecision(10) << x;

return 0;
}

• Subtask 1: 80 / 80