Submission #82677

#	Time	Username	Problem	Language	Result	Execution time	Memory
82677		heon	Pareto (COCI17_pareto)	C++11	30 / 80	62 ms	5336 KiB

pareto

#include<bits/stdc++.h>

using namespace std;

int main(){
	
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	
	int n;
	cin >> n;
	vector <int> v(n);
	int sum = 0;
	for(int i = 0; i < n; i++){
		cin >> v[i];
		sum += v[i];
	}
	sort(v.rbegin(), v.rend());
	int curr = 0;
	float a, b;
	float mx = -1.0, solb, sola;
	for(int i = 0; i < n; i++){
		curr += v[i];
		a = (float) (i+1) / n * 100.0;
		b = (float) curr / sum * 100.0;
		//printf("%.10f \n%.10f\n", a, b);
		if(b - a > mx){
			solb = b, sola = a;
			mx = b - a;
			//printf("%.10f\n", mx);
		}
	}
	printf("%.10f \n%.10f", sola, solb);
}

Compilation message (stderr)

pareto.cpp: In function 'int main()':
pareto.cpp:33:8: warning: 'sola' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%.10f \n%.10f", sola, solb);
  ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pareto.cpp:33:8: warning: 'solb' may be used uninitialized in this function [-Wmaybe-uninitialized]

• Subtask 1: 30 / 80