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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int num,data[32],i=0;
  5.  
  6. if (scanf("%d", &num) != 1) {
  7. return 1; 
  8. }
  9.  
  10. if (num == 0) {
  11. printf("0\n");
  12. return 0;
  13. }
  14.  
  15.  
  16. while (num > 0) {
  17. data[i] = num % 2; 
  18. num = num / 2;       
  19. i++;                 
  20. }
  21.  
  22.  
  23. printf("2進数: ");
  24. for (int j = i - 1; j >= 0; j--) {
  25. printf("%d", data[j]);
  26. }
  27. printf("\n");
  28.  
  29.     return 0;
  30. }
Success #stdin #stdout 0s 5328KB
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stdin
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177
stdout
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2進数: 10110001
https://ideone.com/iV3HFQ
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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