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- /// Alen Antonelli, https://www.hackerrank.com/contests/contest-carinosito/challenges
- /// http://hsin.hr/coci/archive/2016_2017/contest5_tasks.pdf
- #include <iostream>
- #include <vector>
- #include <algorithm>
- #include <iomanip>
- using namespace std;
- int main()
- {
- int n;
- cin>>n;
- vector<int> v (n);
- for(int i=0; i<n; i++)
- cin>>v[i];
- sort(v.rbegin(), v.rend());
- double ST = 0;
- for(int i=0; i<n; i++)
- ST+=v[i];
- double sum=0, a, b;
- double ma, mb;
- for(int i=0; i<n; i++)
- {
- sum+=v[i];
- a = (double) (i+1)*100/n;
- b = (sum*100/ST);
- if ( (b-a)>(mb-ma) )
- ma=a, mb=b;
- else break;
- }
- cout << setprecision(16) <<ma<<endl<<mb;
- return 0;
- }
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