Source Code
// 21.ii. Program to calculate sum of digits of a number // Arpan Das - CST 2nd Year (VOCLET) #include <stdio.h> //#include <conio.h> int main() { int num, sum=0; //clrscr(); printf("Please enter any number: "); scanf("%d", &num); while (num != 0) { sum += num%10; num /= 10; } printf("\nSum of digits: %d", sum); //getch(); }
Output
Please enter any number: 153
Sum of digits: 9