Add reminder to compile CS2 with -DPRINT_ANS.

diff --git a/program/PMDefaults.hs b/program/PMDefaults.hs
index b5ef0c7..4e848c8 100644 (file)
--- a/program/PMDefaults.hs
+++ b/program/PMDefaults.hs
@@ -15,7 +15,8 @@ minCostFlow = NaiveMinCostFlow.minCostFlow,
 
 -- Uses CS2 (http://www.igsystems.com/cs2/), which requires a license for
 -- non-research use but is faster (<1s on a 20x50 example, 64s on a 60x500
--- example).  Configure the path to cs2.exe in CS2MinCostFlow.hs.
+-- example).  Configure the path to cs2.exe in CS2MinCostFlow.hs.  Remember to
+-- compile CS2 with -DPRINT_ANS, or this won't work!
 --minCostFlow = CS2MinCostFlow.minCostFlow,
 
 reviewsEachProposal = 3,