Problem 60782. Convert integers from primary notation to base 10

The primary system of expressing numbers has three digits: m, x, and p, which correspond to -1, 0, and 1. The places in a primary number correspond to the prime numbers. For example, the number 6 could be ppm in primary notation because 6 = 5*1 + 3*1 + 2*(-1). Similarly, the number 20 could be ppxxp in primary notation.
Because integers can be expressed as sums (and differences) of primes in several ways, several primary notations for a number can exist. Cody Problem 60783 deals with proper primary notation.
Write a function to convert integers expressed in primary notation to base 10.
Solve

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77.78% Correct | 22.22% Incorrect
Last Solution submitted on Jan 28, 2025

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conversion number theory

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