Type hints for improving performance

2021-07-24 11:17:25 +02:00 · 2021-07-24 11:17:25 +02:00 · f5152ece96
commit f5152ece96
parent c3a4e0a627
1 changed files with 3 additions and 2 deletions
--- a/src/Julia/Problem014.jl
+++ b/src/Julia/Problem014.jl
@ -16,7 +16,7 @@ function chain_length(n, terms)
            break
        end
        if n % 2 == 0
-            n = n / 2
+            n = n ÷ 2
        else
            n = 3n + 1
        end
@ -50,7 +50,8 @@ function Problem14()
    ans = 0
    limit = 1_000_000
    score = 0
-    terms = Dict()
+    terms = Dict{Int, Int}()
+    sizehint!(terms, limit)
    for i in 1:limit
        terms[i] = chain_length(i, terms)
        if terms[i] > score