WHILE , FOR & DO WHILE LOOPS
SUM OF DIGITS OF A NUMBER USING WHILE LOOP #include<stdio.h> int main () { int num,sum = 0; printf("Enter a num: "); scanf("%d",&num); temp = num; while (temp > 0 ) { int r = temp % 10; sum = sum + r; temp = temp / 10; } printf("Sum of digits of %d is %d",num,sum); return 0; }