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  1. #include <stdio.h>
  2.  
  3. int decim(int n) {
  4.     int i = 1,a;
  5.     int octal = 0;
  6.  
  7.  
  8.     if(n<=7) {
  9.         octal=n;
  10.     }
  11.  
  12.     else {
  13.  
  14.         while(n>=8) {
  15.             a=n%8;
  16.             n=n/8;
  17.             octal = octal + a * i;
  18.             i*= 10;
  19.         }
  20.         n=n%8;
  21.         octal = octal + n * i;
  22.  
  23.     }
  24.  
  25.     return octal;
  26.  
  27. }
  28.  
  29.  
  30. int main() {
  31.     int n,octal;
  32.  
  33.     printf("Informe um numero decimal:");
  34.     scanf("%d",&n);
  35.  
  36.     octal=decim(n);
  37.  
  38.     printf(" o numero octal eh: %d\n",octal);
  39.  
  40.  
  41.  
  42.     return 0;
  43. }
  44.  
Success #stdin #stdout 0s 4520KB
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stdout
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Informe um numero decimal: o numero octal eh: 211
https://ideone.com/arFsLK
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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