B

Task/Bitmap-Histogram/C/bitmap-histogram-3.c

@@ -0,0 +1,19 @@
+luminance histogram_median(histogram h)
+{
+    luminance From, To;
+    unsigned int Left, Right;
+
+    From = 0; To = (1 << (8*sizeof(luminance)))-1;
+    Left = h[From]; Right = h[To];
+
+    while( From != To )
+    {
+       if ( Left < Right )
+       {
+          From++; Left += h[From];
+       } else {
+          To--; Right += h[To];
+       }
+    }
+    return From;
+}