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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define pb push_back
  4. #define lld I64d
  5. int main()
  6. {;
  7. 	int m,n;
  8. 	cin>>n>>m;
  9. 	int arr[m];
  10. 	for (int i = 0; i < m; ++i)
  11. 	{
  12. 		/* code */
  13. 		cin>>arr[i];
  14. 	}
  15. 	sort(arr,a++n);
  16. 	int ans = 100000;
  17. 	for(int i =0;i+n-1<m;i++)
  18. 	{
  19. 		ans = min(ans,arr[i+n-1]-arr[i]);
  20. 	}
  21. 	cout<<ans;
  22. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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4 6
10 12 10 7 5 22
compilation info 
prog.cpp: In function 'int main()':
prog.cpp:15:11: error: 'a' was not declared in this scope
  sort(arr,a++n);
           ^
stdout
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Standard output is empty
https://ideone.com/srq6Oa
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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