one Statement Trick

general
1

how to Calculate sum of digits of a number in single Statement???

2

might help if I knew what language you are using?

3

I know how to do it in python;

let’s assume the number is stored in a variable called num

print sum(map(int,' '.join(str(num)).split()))
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4

Sum of digits of a no. till we get a single digit (Lang. - C):
(n 9) ? (n 9) : 9 ;

2 Likes
5

sumDig is initialised with num%10

while (num/=10) sumDig += num%10;