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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main() {
  5. int i, j, k;
  6. int t, n;
  7. int a[1000];
  8. cin >> t;
  9.  
  10. for(k = 0; k < t; k++)
  11. {
  12. cin >> n;
  13. int diff = 0, ans = 100005;
  14.  
  15. for(j = 0; j < n; j++)
  16. cin >> a[j];
  17.  
  18. sort(a,a+n);
  19.  
  20. for(i = 0; i < n-1; i++)
  21. {
  22. diff = a[i+1] - a[i];
  23. ans = min(ans, diff);
  24. }
  25. cout << ans;
  26. }
  27. return 0;
  28. }
Success #stdin #stdout 0s 16064KB
stdin
2
5
2 4 5 7 9
10
87 32 99 75 56 43 21 10 68 49
stdout
16