Given n nodes. Find the number of different structural
binary trees that can be formed using the nodes.

Answer Posted / hitesh viradiya

m = 1 2 3 4 5 6 7 8
n=1 1
2 1 1
3 2 2 1
4 5 5 3 1
5 14 14 9 4 1
6 42 42 28 14 5 1
7 132 132 90 48 20 6 1
8 429 429 297 165 75 27 7 1

(2n)!/[(n+1)!n!]

Is This Answer Correct ?    135 Yes 16 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the match merge ? compare data step match merge with proc sql merge - how many types are there ? data step vs proc sql

2393


Design an implement of the inputs functions for event mode

2948


What is the difference between proc means and proc tabulate ? explain with a simple example when you have to use means or tabulate?

3697


How do you verify if the two sentences/phrases input is an anagram using predefined functions in string.h and by using arrays?

2004


How can I Create a C program in splitting set of characters to specific subsets. Example: INPUT SET OF CHARACTERS: Therefore, my dear brothers and sisters, stand firm. Let nothing move you. Always give yourselves fully to the work of the Lord, because you know that your labor in the Lord is not in vain. SPLIT INTO HOW MANY CHARACTERS PER SUBSETS: 10 OUTPUT: Therefore, my dear b rothers an d sisters, stand fir m. Let not hing move you. Alway s give you rselves fu lly to the work of t he Lord, b ecause you know that your labo r in the L ord is not in vain.

1914






In a gymnastic competition, scoring is based on the average of all scores given by the judges excluding the maximum and minimum scores. Let the user input the number of judges, after that, input the scores from the judges. Output the average score. Note: In case, more than two judges give the same score and it happens that score is the maximum or minimum then just eliminate two scores. For example, if the number of judges is 5 and all of them give 10 points each. Then the maximum and minimum score is 10. So the computation would be 10+10+10, this time. The output should be 10 because 30/3 is 10.

2362


Cluster head selection in Wireless Sensor Network using C programming language.

3092


Write a routine to implement the polymarker function

4365


Sir... please give some important coding questions asked by product companies..

1783


Set up procedure for generating a wire frame display of a polyhedron with the hidden edges of the object drawn with dashed lines

3009


create a C-code that will display the total fare of a passenger of a taxi if the driver press enter,the timer will stop. Every 10 counts is 2 pesos. Initial value is 25.00

6293


Write a program to model an exploding firecracker in the xy plane using a particle system

3676


Write a Program in 'C' To Insert a Unique Number Only. (Hint: Just Like a Primary Key Numbers In Database.) Please Some One Suggest Me a Better Solution for This question ??

1762


How can you relate the function with the structure? Explain with an appropriate example.

2907


how to create a 3x3 two dimensional array that will give you the sums on the left and bottom columns

3110