fork download
copy 
  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     int s1[] = { 4, 5 };
  5.     int s2[] = { 1, 9 };
  6.     int i;
  7.     int carry;
  8.  
  9.     printf("%d%d-%d%d=", s1[0], s1[1], s2[0], s2[1]);
  10.  
  11.     for(i = 1, carry = 0; i >= 0; i -= 1) {
  12.         s1[i] -= s2[i] + carry;
  13.         if (s1[i] < 0) {
  14.             s1[i] += 10;
  15.             carry = 1;
  16.         } else {
  17.             carry = 0;
  18.         }
  19.     }
  20.     printf("%d%d\n", s1[0], s1[1]);
  21.     return 0;
  22. }
Success #stdin #stdout 0.01s 1720KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
45-19=26
https://ideone.com/nolV6X
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!