5.5. Semigroup computation on a PRAM In order to avoid the final broadcasting phase, which essentially doubles the execution time of the semigroup computation algorithm in the EREW PRAM, it has been suggested that we replace the indices i +s in the algorithm with i +s mod p (i.e., allow the computations to wrap around). Under what conditions would this method yield correct results in all processors? List the conditions that will yield correct results n all processors:

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