Seeking tutoring help

Tutors, guys and lecturers, I need only the guidance to implement the warshall algorithm on excel.
User have to input the Matrix R which is the relation in terms of 0 and 1.
The matrix R∞ must be displayed using the warshall algorithm.
I know the logic of the algorithm [that is, how does it work] but I need some guidlines to implement it on excel.
Can anyone please guide me to implement the algorithm?
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