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  1. #include<stdio.h>
  2.  
  3. int main()
  4. {
  5. int m,n,p,i,j;
  6. int b[1000],r,flag=0;
  7. scanf("%d",&p);
  8.  
  9. for(i=0;i<p;i++)
  10. {
  11. r=0;
  12. scanf("%d",&n);
  13. for(j=0;j<n;j++)
  14. {
  15. scanf("%d",&b[j]);
  16. }
  17. if(n==1)
  18. {
  19. printf("NO\n");
  20. }
  21. else if(n>1)
  22. { 
  23. for(i=0;i<n;i++)
  24. {
  25. for(j=i+1;j<n;j++)
  26. {
  27. if(b[j]==b[i])
  28. {
  29. r++;
  30. }
  31. }
  32. }
  33.  
  34. if(r==n)
  35. {
  36. printf("YES\n");
  37. }
  38. else 
  39. { 
  40.   printf("YN\n");
  41. } 
  42. }
  43. } 
  44. return 0;
  45. }
Success #stdin #stdout 0s 4396KB
comments (?)
stdin
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5
3
1 2 2
4
5 5 5 5
3
1 2 4
4
1 3 4 4
1
100
stdout
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YN
YN
https://ideone.com/GLcqQL
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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