#include <stdio.h>
#define M sizeof(unsigned int)*8

//进制转换
int trans(int n,int d,char *str){
	char s[16]="0123456789ABCDEF";
	int j,i=M;
	char buf[i+1];
	buf[M]='\0';
	if(d<2||d>16){ 	
		return 0;
	}
	while(n!=0){
	    buf[--i]=s[n%d];
		n/=d;
	}
	for(j=0;(*(str+j)=buf[i])!='\0';j++,i++);
	return j;
}
int main(){ 
	int i;   //要转换的数
	char s[M+1];
	int d=2; //进制
	for(i=0;i<10;i++){
		
		if(trans(i,2,s))
			printf("(%d)10==(%s)%d\n",i,s,d);
	}
	return 0;
}