제출 #246346

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
246346		NONAME	Pareto (COCI17_pareto)	C++14	80 / 80	141 ms	6648 KiB

pareto

#include  <bits/stdc++.h>
#define dbg(x) cerr << #x << " = " << x << "\n"
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie()
using namespace std;
using ll = long long;
using ld = long double;

int main() {
    fast_io;

    int n;
    ld total = 0;
    cin >> n;
    vector <ld> a(n);
    for (ld &i : a)
        cin >> i, total += i;

    sort(a.rbegin(), a.rend());

    ld aa = 0, ab = 0;
    ld cur = 0;

    for (int i = 0; i < n; ++i) {
        ld cura, curb;
        cur += a[i];

        cura = ld(i + 1) * 100.0 / ld(n);
        curb = cur * 100 / total;

        if (curb - cura > ab - aa)
            aa = cura, ab = curb;
    }

    cout.precision(2); cout << fixed;
    cout << aa << "\n" << ab << "\n";
}

• Subtask 1: 80 / 80