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z=zipWith e=[]:e f l=foldr1l=foldr(z$z\_->z(z(+))$scanr(\_->foldrl.foldr(zipWithz(:))e.map reverse)l"abc"e)l"123"
Try it online!Try it online!
Thanks to Laikoni and totallyhuman for saving 1 bytea lot of bytes!
z=zipWith e=[]:e f l=foldr1(z$z(+))$scanr(\_->foldr(zipWith(:))e.map reverse)l"abc"
Try it online!
Thanks to totallyhuman for saving 1 byte!
z=zipWith e=[]:e f l=foldr(\_->z(z(+))l.foldr(z(:).reverse)e)l"123"
Thanks to Laikoni and totallyhuman for saving a lot of bytes!
Thanks to totallyhuman for davingsaving 1 byte!
Thanks to totallyhuman for daving 1 byte!
import Data.List z=zipWith e=[]:e f l=foldr1(z$z(+))$scanr(\_->transpose>foldr(zipWith(:))e.map reverse)l"abc"
import Data.List z=zipWith f l=foldr1(z$z(+))$scanr(\_->transpose.map reverse)l"abc"
