Re: [algogeeks] Local Minima in Unsorted Array
http://courses.csail.mit.edu/6.006/spring11/lectures/lec02.pdf
On Mon, Aug 6, 2012 at 12:19 AM, dheeraj chawla dheeraj.chawla...@gmail.com
wrote:
hello guys, check this code n tell me if i m worng
int localminima(int a[],int start,int end)
{int mid;
while(startend)
{
mid=(start+end)/2;
if(a[start]a[start+1])
return(1);
else if(a[end-1]a[end])
return(1);
else if(a[mid]a[mid+1])
end=mid-1;
else
start=mid+1;
}
if(startend)
return 0;
return -1;
}
On Mon, Aug 6, 2012 at 12:15 AM, payal gupta gpt.pa...@gmail.com wrote:
this could help although not true for many cases as said above
http://ideone.com/w5gjK
On Sun, Aug 5, 2012 at 8:40 AM, Ashish Goel ashg...@gmail.com wrote:
can you give an example of what do you mean by Local minima?
From Dave's example, it looks like the minima of the whole array..
Best Regards
Ashish Goel
Think positive and find fuel in failure
+919985813081
+919966006652
On Fri, Aug 3, 2012 at 10:32 PM, shady sinv...@gmail.com wrote:
Hi,
Can anyone tell how to find local minima in an unsorted array ?
Recommended solution : O(log(n))
Shady.
--
You received this message because you are subscribed to the Google
Groups Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google
Groups Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Local Minima in Unsorted Array
this could help although not true for many cases as said above http://ideone.com/w5gjK On Sun, Aug 5, 2012 at 8:40 AM, Ashish Goel ashg...@gmail.com wrote: can you give an example of what do you mean by Local minima? From Dave's example, it looks like the minima of the whole array.. Best Regards Ashish Goel Think positive and find fuel in failure +919985813081 +919966006652 On Fri, Aug 3, 2012 at 10:32 PM, shady sinv...@gmail.com wrote: Hi, Can anyone tell how to find local minima in an unsorted array ? Recommended solution : O(log(n)) Shady. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Local Minima in Unsorted Array
hello guys, check this code n tell me if i m worng
int localminima(int a[],int start,int end)
{int mid;
while(startend)
{
mid=(start+end)/2;
if(a[start]a[start+1])
return(1);
else if(a[end-1]a[end])
return(1);
else if(a[mid]a[mid+1])
end=mid-1;
else
start=mid+1;
}
if(startend)
return 0;
return -1;
}
On Mon, Aug 6, 2012 at 12:15 AM, payal gupta gpt.pa...@gmail.com wrote:
this could help although not true for many cases as said above
http://ideone.com/w5gjK
On Sun, Aug 5, 2012 at 8:40 AM, Ashish Goel ashg...@gmail.com wrote:
can you give an example of what do you mean by Local minima?
From Dave's example, it looks like the minima of the whole array..
Best Regards
Ashish Goel
Think positive and find fuel in failure
+919985813081
+919966006652
On Fri, Aug 3, 2012 at 10:32 PM, shady sinv...@gmail.com wrote:
Hi,
Can anyone tell how to find local minima in an unsorted array ?
Recommended solution : O(log(n))
Shady.
--
You received this message because you are subscribed to the Google
Groups Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
--
You received this message because you are subscribed to the Google Groups
Algorithm Geeks group.
To post to this group, send email to algogeeks@googlegroups.com.
To unsubscribe from this group, send email to
algogeeks+unsubscr...@googlegroups.com.
For more options, visit this group at
http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Local Minima in Unsorted Array
can you give an example of what do you mean by Local minima? From Dave's example, it looks like the minima of the whole array.. Best Regards Ashish Goel Think positive and find fuel in failure +919985813081 +919966006652 On Fri, Aug 3, 2012 at 10:32 PM, shady sinv...@gmail.com wrote: Hi, Can anyone tell how to find local minima in an unsorted array ? Recommended solution : O(log(n)) Shady. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
[algogeeks] Local Minima in Unsorted Array
Hi, Can anyone tell how to find local minima in an unsorted array ? Recommended solution : O(log(n)) Shady. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
Re: [algogeeks] Local Minima in Unsorted Array
u can use heap sort On Fri, Aug 3, 2012 at 10:32 PM, shady sinv...@gmail.com wrote: Hi, Can anyone tell how to find local minima in an unsorted array ? Recommended solution : O(log(n)) Shady. -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en. -- ●๋•ѕυяｿαвнαη●๋• -- You received this message because you are subscribed to the Google Groups Algorithm Geeks group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
