进制转化

未分类

1. 二进制

#include <stdlib.h>
 #include <stdio.h>
 int binary (int b[],int len,int n);
   int main()  
 {           
    int a[100];
    int n=0;  
    int i=0;  
    int x=0;  
    printf("input: ");
    scanf("%d",&n);
    x=binary(a,100,n);
    for(i=0;i<x;i++)                        
    {         
        printf("%d",a[i]);
     }         
     return 0; 
  }           
 int binary (int b[],int len,int n)           //convert decimal number to binary
  {    
       int i=0;
       int x=0;
       int a[i];
       do   
        {   
           a[i]=n%2;
           i=i+1;
           n=n/2;
        }while(n!=0);
       for(i=i-1;i>=0;i--)
        {    
            b[x]=a[i];
            x+=1;
        }    
     return x;          
 }         

2.八进制

 int octal (int b[],int len,int n)           //convert decimal number to octal
  {    
       int i=0;
       int x=0;
       int a[i];
       do   
        {   
           a[i]=n%8;
           i=i+1;
           n=n/8;
        }while(n!=0);
       for(i=i-1;i>=0;i--)
        {    
            b[x]=a[i];
            x+=1;
        }    
     return x;          
 }         

1. 16进制

#include <stdlib.h>
#include <stdio.h>
  int binary (int b[],int len,int n)           //convert decimal number to binary
  {    
       int i=0;
       int x=0;
       int a[i];
       do   
        {   
           a[i]=n%16;
           i=i+1;
           n=n/16;
        }while(n!=0);
         for(i=i-1;i>=0;i--)
        {    
            b[x]=a[i];
            x+=1;
        }                      
        return x ;         
}