Discover MakerZone

MATLAB and Simulink resources for Arduino, LEGO, and Raspberry Pi test

Learn more

Discover what MATLAB® can do for your career.

Opportunities for recent engineering grads.

Apply Today

MATLAB Academy

New to MATLAB?

Learn MATLAB today!

Problem 509. Count photos

Created by AMITAVA BISWAS

Given n people, everyone must have pictures taken with everyone, each photo includes only two persons, please count the total number of pictures.

Problem Group

Solution Statistics

220 correct solutions 105 incorrect solutions
Last solution submitted on Jan 30, 2016

Problem Comments

Solution Comments