Problem 509. Count photos
Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.
Solution Stats
Problem Comments
-
1 Comment
Pritesh Shah
on 2 Aug 2014
Good One:))
Solution Comments
Show commentsProblem Recent Solvers417
Suggested Problems
-
Sum all integers from 1 to 2^n
16119 Solvers
-
869 Solvers
-
257 Solvers
-
402 Solvers
-
Find out total non zero element of matrix
274 Solvers
More from this Author100
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!