Problem 51

1 comments on “Problem 51”

• 
  

  TADEPALLI

  #include
  void swap(int *a,int *b)
  {
  int temp=*a;
  *a=*b;
  *b=temp;
  }
  int main()
  {
  int m;
  scanf(“%d”,&m);
  while(m!=0)
  {
  int n,j,i,count=0;
  scanf(“%d”,&n);
  int arr[n],freq[3];
  for(i=0;i<n;i++)
  scanf("%d",&arr[i]);
  for(i=0;i<n;i++)
  {
  for(j=0;jarr[j+1])
  {
  swap(&arr[j],&arr[j+1]);
  count++;
  }
  }
  }
  if(count%2==0)
  printf(“Yes\n”);
  else
  printf(“No\n”);
  m–;
  }
  return 0;
  }

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