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Jan 2nd, 2014
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C++ 0.41 KB | None | 0 0
  1. #include <iostream>
  2. using namespace std;
  3. long long int tab[1000005];
  4. int main()
  5. {
  6.     ios_base::sync_with_stdio(0);
  7.     int k, n, w=0;
  8.     cin>>k;
  9.     for(int i=0; i<k; i++)
  10.     {
  11.             cin>>tab[i];
  12.     }
  13.     sort(tab, tab+k);
  14.     for(int i=0; i<k; i++)
  15.     {
  16.             if(tab[i]>2*w)
  17.             {
  18.                         w=tab[i]-w;
  19.             }
  20.     }
  21.     cout<<w<<endl;
  22.     return 0;
  23. }
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