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  1. #include<bits/stdc++.h>
  2.  
  3. using namespace std;
  4. #define ll long long int 
  5. ll n;
  6. ll arr[10000004];
  7. map<ll,ll>mp;
  8. int main()
  9. {
  10. 	cin>>n;
  11. 	for(int i=0;i<n;i++)
  12. 	{
  13. 		cin>>arr[i];
  14. 	}
  15.  
  16. 	sort(arr,arr+n);
  17.  
  18. 	for(int i=0;i<n-1;i++)
  19. 	{
  20. 		ll x = abs(arr[i+1]-arr[i]);
  21. 		mp[x]++;
  22. 	}
  23. 	ll ans = INT_MAX;
  24. 	ll cnt = 0;
  25. 	map<ll,ll>::iterator it;
  26. 	for(it=mp.begin();it!=mp.end();it++)
  27. 	{
  28. 		ll x = (*it).first;
  29. 		ll y = (*it).second;
  30. 		if(ans>x)
  31. 		{
  32. 			ans = x;
  33. 			cnt = y;
  34. 		}
  35.  
  36. 	}
  37.  
  38. 	cout<<ans<<" "<<cnt<<endl;
  39. 	return 0;
  40. }
Success #stdin #stdout 0s 93376KB
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stdin
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3
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stdout
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2 2
https://ideone.com/c7Ec9a
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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