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linux - 函数和分形 - 递归树 - Bash!逻辑问题

转载 作者:IT王子 更新时间:2023-10-29 01:20:49 26 4
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我正在尝试根据构建它的要求构建一棵分形树。出了点问题。请协助。我正在尝试根据请求的级别构建分形树。这里的水平被跳过。需要了解如何解决问题。

    #!/bin/bash
declare -A matrix
for ((i=1;i<=63;i++)) do
for ((j=1;j<=100;j++)) do
matrix[$i,$j]='_'
done
done
function update_matrix {
p1=$1
p2=$(echo $2-1|bc)
p1=$(echo $p1-1|bc)
p3=$(echo 2^$p2|bc)
p4=$(echo 2*$p3|bc)
p5=$(echo $p3/2|bc)
p6=$3
for ((q1=$p3;q1<$p4;q1++)) do
if [ "$(echo $q1-$p3|bc)" -lt "$p5" ]
then
q2=$(echo $p6-$(echo $p5-$(echo $q1-$p3|bc)|bc)|bc)
q3=$(echo $p6+$(echo $p5-$(echo $q1-$p3|bc)|bc)|bc)
matrix[$q1,$q2]=1
matrix[$q1,$q3]=1
#printf '%s' "$q1 $q2 -- $q1 $q3"
#echo ""
else
matrix[$q1,$p6]=1
#echo $q1 $p6
fi
done

if [ $p1 -ge 1 ]
then
update_matrix $p1 $p2 $(echo $p6+$p5|bc)
update_matrix $p1 $p2 $(echo $p6-$p5|bc)
else
return
fi
}
read iteration
if [ $iteration -ge 1 ]
then
update_matrix $iteration 6 32
fi
for ((i=1;i<=63;i++)) do
for ((j=1;j<=100;j++)) do
printf '%s' "${matrix[$i,$j]}"
done
echo ""
done

输出是:

____________________________________________________________________________________________________
________________________________________________1_1_________________________________________________
_________________________________________________1__________________________________________________
_________________________________________________1___1______________________________________________
__________________________________________________1_1_______________________________________________
___________________________________________________1________________________________________________
___________________________________________________1________________________________________________
___________________________________________________1_______1________________________________________
____________________________________________________1_____1_________________________________________
_____________________________________________________1___1__________________________________________
______________________________________________________1_1___________________________________________
_______________________________________________________1____________________________________________
_______________________________________________________1____________________________________________
_______________________________________________________1____________________________________________
_______________________________________________________1____________________________________________
_______________________________________1_______________1____________________________________________
________________________________________1_____________1_____________________________________________
_________________________________________1___________1______________________________________________
__________________________________________1_________1_______________________________________________
___________________________________________1_______1________________________________________________
____________________________________________1_____1_________________________________________________
_____________________________________________1___1__________________________________________________
______________________________________________1_1___________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________________________________________1____________________________________________________
_______________1_______________________________1____________________________________________________
________________1_____________________________1_____________________________________________________
_________________1___________________________1______________________________________________________
__________________1_________________________1_______________________________________________________
___________________1_______________________1________________________________________________________
____________________1_____________________1_________________________________________________________
_____________________1___________________1__________________________________________________________
______________________1_________________1___________________________________________________________
_______________________1_______________1____________________________________________________________
________________________1_____________1_____________________________________________________________
_________________________1___________1______________________________________________________________
__________________________1_________1_______________________________________________________________
___________________________1_______1________________________________________________________________
____________________________1_____1_________________________________________________________________
_____________________________1___1__________________________________________________________________
______________________________1_1___________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________
_______________________________1____________________________________________________________________

需要理解为什么左节点创建右节点不创建。

最佳答案

我缺少的是将变量声明为局部变量。由于全局变量正在更新,因此我的程序无法正常运行。

我解决了这个问题并使用了局部变量,效果非常好。

解决方案的代码是它用于 Hackerrank 函数和分形 - 递归树 - Bash!程序。我花了 3 个小时才确定下来。真的很爽,终于解决了。

    #!/bin/bash
declare -A matrix
for ((i=1;i<=63;i++)) do
for ((j=1;j<=100;j++)) do
matrix[$i,$j]='_'
done
done
i=0
declare -A arr
function update_matrix {
local p1 p2 p3 p4 p5 p6 q1 q2 q3 p11 p12 p13 p14 p15 p16
p1=$1
p2=$(echo $2-1|bc)
p1=$(echo $p1-1|bc)
p3=$(echo 2^$p2|bc)
p4=$(echo 2*$p3|bc)
p5=$(echo $p3/2|bc)
p6=$3
for ((q1=$p3;q1<$p4;q1++)) do
if [ "$(echo $q1-$p3|bc)" -lt "$p5" ]
then
q2=$(echo 18+$p6-$(echo $p5-$(echo $q1-$p3|bc)|bc)|bc)
q3=$(echo 18+$p6+$(echo $p5-$(echo $q1-$p3|bc)|bc)|bc)
matrix[$q1,$q2]=1
matrix[$q1,$q3]=1
#printf '%s' "$q1 $q2 -- $q1 $q3"
#echo ""
else
matrix[$q1,$(echo 18+$p6|bc)]=1
#echo $q1 $p6
fi
done

if [ $p1 -ge 1 ]
then
p11=$p1
p12=$p2
p13=$(echo $p6-$p5|bc)
p14=$(echo $p6+$p5|bc)
p15=$p1
p16=$p2

#echo $p11 $p12 $p6 $p5 $p13
update_matrix $p11 $p12 $p13
#echo $p15 $p16 $p6 $p5 $p14

update_matrix $p15 $p16 $p14
t=4
else
s=2
fi
}
read iteration
if [ $iteration -ge 1 ]
then
#echo $iteration 6 32
update_matrix $iteration 6 32
fi
for ((i=1;i<=63;i++)) do
for ((j=1;j<=100;j++)) do
printf '%s' "${matrix[$i,$j]}"
done
echo ""
done

关于linux - 函数和分形 - 递归树 - Bash!逻辑问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37377291/

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