數學 Math

The following is my solution regarding a CodeSignal Problem addTwoDigits 1st Draft (61 Chars) makes use of reduce addTwoDigits=n=> (""+n).split("").reduce((x,y)=> x+Number(y) ,0) 2nd Draft (49 Chars) deploys a recursive skill

This is originally a post in Dev.to A recent CodeSignal Challenge was to calculate 1000C500 (mod 1e9+7) and I got defeated =( All my trials exceeded the time limit.. Here