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ch-2.jl
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ch-2.jl
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#!/usr/bin/env julia
#=
AUTHOR: Robert DiCicco
DATE: 2022-11-22
Challenge 192 Equal Distribution ( Julia )
You are given a list of integers greater than or equal to zero, @list.
Write a script to distribute the number so that each members are same. If you succeed then print the total moves otherwise print -1.
Please follow the rules (as suggested by Neils van Dijke [2022-11-21 13:00]
1) You can only move a value of '1' per move
2) You are only allowed to move a value of '1' to a direct neighbor/adjacent cell
-----------------------------------------------
SAMPLE OUTPUT
julia .\EqualDistribution.jl
Input: @lst = [1, 0, 5]
[1, 1, 4]
[1, 2, 3]
[1, 3, 2]
[2, 2, 2]
Output: 4
Input: @lst = [0, 2, 0]
Output: -1
Input: @lst = [0, 3, 0]
[1, 2, 0]
[1, 1, 1]
Output: 2
=#
using Printf
lists = [[1,0,5],[0,2,0],[0,3,0]]
cnt = 1
function MaxPos( arr )
maxv = 0
maxpos = -1
for x in 1:3
if arr[x] > maxv
maxv = arr[x]
maxpos = x
end
end
return maxv, maxpos
end
function MinPos( arr )
minv = 9
minpos = -1
for x in 1:3
if (arr[x] < minv)
minv = arr[x]
minpos = x
end
end
return minv, minpos
end
function GetTotalVal(arr)
sum = 0
for x in 1:3
sum += arr[x];
end
return sum
end
function EvenUp(arr)
global cnt += 1
(maxv, maxpos) = MaxPos(arr)
(minv, minpos) = MinPos(arr)
if (cnt > 1);
@printf("%s\n",arr)
end
arr[maxpos] -= 1
if maxpos == 1 || maxpos == 3
arr[2] += 1
else
arr[minpos] += 1
end
if ((arr[1] == arr[2]) && (arr[2] == arr[3]))
@printf("%s\n",arr)
@printf("Output: %d\n",cnt)
println("\n")
else
EvenUp(arr)
end
end
for lst in lists
@printf("Input: @lst = %s\n", lst);
global cnt = 0
target = (GetTotalVal(lst) / 3)
target >= 1 ? EvenUp(lst) : @printf("Output: -1\n\n");
end