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dfs.c

@@ -10,6 +10,9 @@
   ====================================================================*/
 #include <assert.h>
 
+/* 
+ * Assign color (nonnegative number) to each connected component of graph 
+ */
 void dfs (int size, int *ia, int *ja, int *ncolors, int *color, int* work)
 {
    int i, c;