test1

<pre name="code" class="cpp">#include<stdio.h>void main(){int a=1,b=0;if(--a)b++;else if(a==0)b+=2;else b+=3;printf(“%d\n”,b);}

</pre><pre code_snippet_id="502504" snippet_file_name="blog_20141030_3_3860329" name="code" class="cpp">#include<stdio.h>main(){  int d,n=1234;  while (n!=0)   {     d=n%10;n=n/10;     printf(“%d”,d)   }}

#include<stdio.h>void main(){int x=1,a=1;do{a=a+1;}while(x);}

#include<stdio.h>void main(){int s=0,n;for(n=0;n<3;n++){switch(s){ case 0:case 1:s+=1;case 2:s+=2;break;case 3:s+=3;default:s+=4;}printf(“%d”,s);}}