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- #include <stdio.h>
- #include <stdlib.h>
- #include <stdint.h>
-
- /* rearrange things so instead of
- 0 1
- 0 2
- 0 3
- 1 4
- 1 5
- 1 6
- we just print
- 0 1 2 3
- 1 4 5 6
- */
-
- int main(void)
- {
- uint32_t dac, adc;
- uint32_t olddac;
- int first = 1;
-
- while(1) {
- scanf("%d %d", &dac, &adc);
- if (feof(stdin))
- break;
- if (first) {
- printf("%ld ", dac);
- first = 0;
- } else if (dac != olddac) {
- printf("\n%ld ", dac);
- } else {
- printf(" ");
- }
- printf("%ld", adc);
- olddac = dac;
- }
- printf("\n");
- return 0;
- }
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