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CF_337A

Nov 6th, 2018
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  1. // Codeforces Round 337A
  2. #include <iostream>
  3. #include <algorithm>
  4. using namespace std;
  5. int main()
  6. {
  7.     int n, m, mm[51];
  8.     cin >> n >> m;
  9.     for(int i=0; i<m; i++)
  10.     {
  11.         cin >> mm[i];
  12.     }
  13.     sort(mm, mm + m);
  14.     int z, minim=100001;
  15.     z =(m - n)+1;
  16.     for(int i=0; i<z; i++)
  17.     {
  18.         if((mm[i+n-1]-mm[i])<minim)
  19.         {
  20.             minim =mm[i+n-1]-mm[i];
  21.         }
  22.     }
  23.     cout << minim;
  24.     return 0;
  25. }
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