From 8823eed6e8af52286a712ed97c02088ce3d53a65 Mon Sep 17 00:00:00 2001 From: Stephen Lynn Date: Sat, 10 Dec 2022 12:50:06 +0800 Subject: ch-2.jl --- challenge-194/steve-g-lynn/julia/ch-2.jl | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100755 challenge-194/steve-g-lynn/julia/ch-2.jl diff --git a/challenge-194/steve-g-lynn/julia/ch-2.jl b/challenge-194/steve-g-lynn/julia/ch-2.jl new file mode 100755 index 0000000000..41f484c007 --- /dev/null +++ b/challenge-194/steve-g-lynn/julia/ch-2.jl @@ -0,0 +1,32 @@ +#!/usr/bin/env julia + +function frequency_equalizer(s::String ) ::Bool + + d_s = Dict() + + for i in s + d_s[i]=0 + end + + for i in s + d_s[i] += 1 + end + + + v_s=Vector( sort!(unique(values(d_s))) ) + + if ( (length(v_s) <= 2) && + ( (v_s[1] == 1) || + ( length(v_s) > 1 && (abs(v_s[2] - v_s[1]) == 1)) ) ) + return true + end + + return false +end + +println( frequency_equalizer("abbc") ) #true +println( frequency_equalizer("xyzyyxz") ) #true +println( frequency_equalizer("xzxz") ) #false +println( frequency_equalizer("abcde") ) #true +println( frequency_equalizer("abbbccc") ) #true + -- cgit