first commit

p20/solution.jl

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+function solution(n)
+    fac = factorial(big(n))
+    places = log10(fac)
+    sum = 0
+    for i = 0:places
+        clip = fac÷(10^i)
+        sum += clip%10
+    end
+    v = collect(string(fac))
+    sum2 = 0
+    for e ∈ v
+        sum2 += parse(Int, e)
+    end
+    return sum, sum2
+end
+
+print(solution(100))