Build Tower
Build Tower by the following given argument:
number of floors (integer and always greater than 0).
Tower block is represented as *
Python: return a list;
JavaScript: returns an Array;
C#: returns a string[];
PHP: returns an array;
C++: returns a vector;
Haskell: returns a [String];
Ruby: returns an Array;
Lua: returns a Table;
Have fun!
for example, a tower of 3 floors looks like below
[
' * ',
' *** ',
'*****'
]
and a tower of 6 floors looks like below
[
' * ',
' *** ',
' ***** ',
' ******* ',
' ********* ',
'***********'
]
function towerBuilder(nFloors) {
// build here
let res = [];
for (let i = 1; i <= nFloors ; i++) {
let str = '*'.repeat((2*i)-1)
let space = ' '.repeat(((2*nFloors)-(2*i))/2)
res.push(space+str+space)
}
return res
}