restore *.orig.c to each entry

Under each yyyy/dir there is a file of the form '*.orig.c'
containing the original source code, or as close as we can
get to the original source code.

2011/borsanyi/borsanyi.orig.c

@@ -0,0 +1,12 @@
+#     include                              <math.h>
+#     include                              <stdio.h>
+#     define                               d double
+d     a,s;int     n;p(d t                  ,d M,d x)
+{     return      x>0?x>1     &&!fork(     )?p(t,s+=
+a     ,x-1):0     :scanf(     "%lf",&x     )-1?a=(M-
+t     )/22,s=     pow(10,     (int)(       log10(a))                /*It is
+a     simple      tool to     quickly      analyze                  data. */
+-     2),s=t-     (a =s*(     int)(a/s     ))/2,p(t,                s,(int)(
+(     a+M-t)/     a)):p(t     >M|x<t?x     :t,t>M|x     >M?x:M      ,--n)+(x
+>     s&&x <=     s+a); }     main(j){     j==1?j=p     (1,0,0)     ,printf(
+"%+12g %4d",s+a/2,j,wait(NULL)),main(j*400/n):putchar(35-25*!j)&' '&&main(j+1);}