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- UID
- 852722
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/*另一种求二进制算法*/
#include<stdio.h>
#include<stdlib.h>
#include<math.h>
main()
{
double a,d,b=0; /* d is a decimal,b is the changeresult,binary*/
int i;
printf("please input the decimal tochange:\n");
scanf("%f",&d);
a=d; /*d to a*/
for(i=0;a>=1;i++){
if(pow(2,i)>a){
a=a-pow(2,i-1);
b=b+pow(10,i-1);
i=0;
}
}
for(i=-1;a>0.000000001;i--){
if(pow(2,i)<=a){
a=a-pow(2,i);
b=b+pow(10,i);
}
}
printf("\n the changed result of %f is%f\n",d,b);
} |
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