₦airaland Forum

FamDamSam:
So, you, to start with. Which of the languages would you teach me?
I have tried that of HelloWorldApp on my system I mean that Java stuff but it seems my system can't run it

i just started my programming journey and i'm learning C language.

FamDamSam:
I want to start from somewhere

start with me

please i need help with this(C programming)

Question: Write a program to calculate the sum of the first and the second last digit of a 5 digit number entered from the keyboard.

solution..

#include <stdio.h>
main(){
int n, first, second, third, forth, fifth, sum;
printf("Enter a 5-digit number\n";
scanf("%d", &n);
/*Now we will take out each digit of this number and then finally add the first and the second last digits*/
first = n/10000; //first digit
n = n%10000;

second = n/1000; //second digit
n = n%1000;

third = n/100; //third digit
n = n%100;

forth = n/10; //forth digit
fifth = n%10; //fifth digit

sum = first + forth;
printf("sum : %d\n", sum);
}

i understand the flow but want to know why

1. n/10000;
2. n = n%1000;

Please help i have been stack with this for days.Thanks