Identity Property

[Iceysparkz]

Hello, I'm new to c++ and am working on a project which requires me to discern if the cayley tables in my text files, have identity, associative, inverse, and abelian properties.. I am currently working on the identity function, and while I believe I must use two nested for loops to cycle through the rows and columns of the tables. I am unable to find anything which may push me in the right direction, any help is appreciated. Thanks Jessica