binary_to_octal.c

#include <stdio.h>
#include <stdlib.h>
 
 
 
 
int main()
{
    int bin = 0;
    printf("Please Enter your positive binary number:");
    scanf("%ld",&bin);
 
    int main_mod_output;
    int sub_modulous_output;
    int sub_mod_cod_out=0;
    int sub_mod_next_con = 0;
    int sub_mod_final_output = 0;
    int final_output=0;
    int array_input[10];
 
    int i = 1;
 
    while(bin!=0){
      // For chuking input into 3 digit
    main_mod_output = bin % 1000;
      // Assign the value into separate variable
    sub_modulous_output = main_mod_output;
    // This loop for looping round 3 digits
    while(sub_modulous_output){
             if(sub_mod_cod_out==0){
                // Set 1 for exponet first value 1
                sub_mod_cod_out = 1;
             }else{
                 // Exponet other with 2
                 sub_mod_cod_out *=2;
             }
              // Create a new variable to store modulous value
             sub_mod_next_con = sub_modulous_output % 10;
              // Create a new variable to store the multiplication of modulous and exponent outpurs
             sub_mod_final_output =  sub_mod_next_con * sub_mod_cod_out;
              // Create a new variable to store indivual numbers, I get after ching nth value into 3 digits
             final_output += sub_mod_final_output;
            // To minimize the loop count donw
             sub_modulous_output /= 10;
 
    }
    // Store indivisual digits in arrage
    array_input[i] = final_output;
             i++;
      // Made both 2 variable zero, only to start again
      sub_mod_cod_out = 0;
      final_output = 0;
    //printf("%d",output);
     bin /= 1000;
    }
    int j=0;
    // Combile out put indivisual digits to print final octal output
   for(j=i-1;j>=1;j--){
     printf("%d",array_input[j]);
   }
 
    return 0;
}