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 Solvers416
Suggested Problems
-
2285 Solvers
-
Increment a number, given its digits
657 Solvers
-
791 Solvers
-
Is this triangle right-angled?
5936 Solvers
-
Element by element multiplication of two vectors
377 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!