队花的烦恼一

 1 #include <stdio.h> 
 2 #include <string.h>
 3 
 4 int main(){
 5     int n;
 6     char s[100];
 7     int i;
 8     int length;
 9     
10     while(scanf("%d",&n)!=EOF){
11         if(n==0){
12             printf("0\n");
13             continue;
14         }
15         
16         i=0;
17         while(n){
18             s[i]=n%2+‘0‘;
19             i++;
20             n/=2;
21         }
22         s[i]=‘\0‘;
23         length=strlen(s);
24         
25         for(i=length-1;i>=0;i--)
26             printf("%c",s[i]);
27             
28         printf("\n");
29     }
30     
31     return 0;
32 }