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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #define N 4
  4.  
  5. void func(int a, int b)
  6. {
  7.   int i, t;
  8.   char sa[N + 2], sb[N + 2];
  9.  
  10.   sprintf(sa, "%0*d", N + 1, a);
  11.   sprintf(sb, "%0*d", N + 1, b);
  12.   for (i = N; i ; --i) {
  13.     t = sa[i] - '0' + sb[i] - '0';
  14.     sa[i - 1] += t / 10;
  15.     sa[i] = t % 10 + '0';
  16.   }
  17.   printf("result = %s\n", sa);
  18.  
  19. }
  20.  
  21. int main()
  22. {
  23.   int a, b;
  24.  
  25.   printf("a b = ");
  26.   scanf("%d %d", &a, &b);
  27.   func(a, b);
  28.  
  29.   return 0;
  30. }
Success #stdin #stdout 0s 1836KB
comments (?)
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9876
5432
stdout
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a b = result = 15308
https://ideone.com/ghOE9x
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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