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  1. #include <stdio.h>
  2. #define countof(a) (sizeof(a) / sizeof((a)[0]))
  3.  
  4. int main(void)
  5. {
  6. int m[] = { 16, 24, 32, 48, 64, 96, 128, 256 };
  7.  
  8. for (size_t i = 0; i < countof(m) - 1; i++) {
  9. printf("%zu: %i %i %i\n", i, m[i], m[i + 1], m[i] - m[i + 1]);
  10. }
  11. }
  12.  
Success #stdin #stdout 0s 4300KB
stdin
Standard input is empty
stdout
0: 16 24 -8
1: 24 32 -8
2: 32 48 -16
3: 48 64 -16
4: 64 96 -32
5: 96 128 -32
6: 128 256 -128