Submission #82682

#	Time	Username	Problem	Language	Result	Execution time	Memory
82682		heon	Pareto (COCI17_pareto)	C++11	30 / 80	75 ms	1792 KiB

pareto

#include<bits/stdc++.h>

using namespace std;

int main(){
	
	int n;
	scanf("%d", &n);
	vector <int> v(n);
	int sum = 0;
	for(int i = 0; i < n; i++){
		scanf("%d", &v[i]);
		sum += v[i];
	}
	sort(v.rbegin(), v.rend());
	int curr = 0;
	double a, b;
	double solb = 0.0, sola = 0.0;
	for(int i = 0; i < n; i++){
		curr += v[i];
		a = (double) (i+1) / n;
		b = (double) curr / sum;
		if(b - a > solb - sola){
			solb = b, sola = a;
		}
	}
	cout << fixed << setprecision(14) << sola * 100 << "\n";
	cout << fixed << setprecision(14) << solb * 100;
}

Compilation message (stderr)

pareto.cpp: In function 'int main()':
pareto.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
pareto.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &v[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 30 / 80