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Post Challenge

Comments on Word Set Square

Parent

Word Set Square

+7
−0

Challenge

Given a string, e.g. Hello, do the following:

Mirror it:

Hello -> HelloolleH

and create a right triangle using it as the sides:

H         
ee        
l l       
l  l      
o   o     
o    o    
l     l   
l      l  
e       e 
HelloolleH

Which looks sort of like a set square.

That's it!

Scoring

This is code-golf. Shortest answer in each language wins.

code-golf ascii-art
posted almost 4 years ago
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Razetime‭
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Post
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Python 3, 196 195 145 102 91 89 87 79 bytes

x=input();x+=x[::-1];i=-1
for c in x[:-1]:print(c*(i>-1)+" "*i+c);i+=1
print(x)

Try it online!

Golfed 50 bytes thanks to @celtschk's advice. Golfed another 43 bytes thanks to @celtschk's advice. Golfed another 11 bytes thanks to @celtschk's advice. Golfed another 2 bytes thanks to @celtschk's advice. Golfed 2 bytes thanks to @Moshi's advice. Golfed another 8 bytes thanks to @Moshi's advice.

posted over 3 years ago
3y ago
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General Sebast1an‭
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4 comment threads

Sub 80 (1 comment)
bool(i) -> (i>0) (1 comment)
Further golfing opportunity (5 comments)
You can save quite a few bytes here. First, you can replace `print(" ",end='')` with `print(end=" ... (1 comment)
Sub 80
Moshi‭ wrote over 3 years ago
copy link

https://tio.run/##JclLCoAgEADQvaeQVn5wIe0Mu0i0ksIBGUUMptNPQtv32jtyxZWZImB7htKCbKQjBOdPAdF5cdcukwSUUyeG1gGHSkbB7ry2i1wM2KQ3sNGLP0kz56uU@gE

x=input()
x+=x[::-1]
i=-1
for c in x[:-1]:print(c*(i>-1)+" "*i+c);i+=1
print(x)

Three improvements: 1. Use x[::-1] instead of x[-2::-1] 2. Use an external counter instead of enumerate, which also allows us to 3. shift the counter back by one to avoid the expensive (i-1) and instead just use i