장용운 C과제 HW1
Write a program that reads a four digit integer and prints the sum of its digits as an output. ¶
////////////////////////////// // C Programming Homework 1 // ////////////////////////////// // // // Problem Number : 1 // // // // Student ID : 20114924 // // // // Student Name : 장용운 // // // ////////////////////////////// #include <stdio.h> #define fdn four_digit_num int main(void) { int fdn; scanf("%d", &fdn); // printf("The sum of four numbers : %d\n", (fdn/1000%10) + (fdn/100%10) + (fdn/10%10) + (fdn%10)); printf("The sum of four numbers : %d\n", (int)(fdn/1000) + (fdn/100%10) + (fdn/10%10) + (fdn%10)); return 0; }