/in/foo.c: In function 'huiwen_base2':
/in/foo.c:10:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
      if(a[left]=a[i])
      ^~
/in/foo.c:3:19: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
     int a[32],i=0,temp=0,left=0,t;
                   ^~~~
/in/foo.c: In function 'huiwen_base8':
/in/foo.c:22:6: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
      if(a[left]=a[i])
      ^~
/in/foo.c:15:22: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
        int a[32],i=0,temp=0,left=0,t;
                      ^~~~
/in/foo.c: In function 'huiwen_base10':
/in/foo.c:27:6: warning: unused variable 'm' [-Wunused-variable]
  int m=0,rn=0,temp;
      ^
/in/foo.c: In function 'main':
/in/foo.c:45:27: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  if(m==p||m==q||p==q||m==p&&p==q)
                       ~~~~^~~~~~