1 #include <stdio.h>
2 #include <stdlib.h>
3 #include<string.h>
4 #include <time.h>
5 //#include<math.h>
6 //
7 //#include<iostream>
8 //using namespace std;
9
10 #include<stdio.h>
11
12 char temp[50] = "";
13
14 void f(int n)
15 {
16 int a;
17 char b[5];
18 if(n)
19 f(n/2);
20 else
21 return;
22 a = n%2;
23 printf("%d",a);
24 sprintf(b,"%d",a);
25 strcat(temp,b);
26 }
27
28 int main()
29 {
30 int n;
31 while(1)
32 {
33 memset(temp,0,50);
34 scanf("%d",&n);
35 if(n<0)
36 break;
37 if(n==0)
38 printf("0");
39 f(n);
40 printf("\n");
41 printf("temp:%s\n",temp);
42 }
43 return 0;
44 }
