Puzzle 16: Improve debug output

1 files changed, 3 insertions, 3 deletions

diff --git a/16.c b/16.c
index 4dff42c..6ad137e 100644
--- a/16.c
+++ b/16.c
@@ -157,7 +157,6 @@ valve_setdests(struct valve * v, struct valve * others, int nothers)
 }
 
 
-#if 0
 void
 valve_distances_dump(struct valve const * valves, int nvalves, int * dists)
 {
@@ -178,7 +177,6 @@ valve_distances_dump(struct valve const * valves, int nvalves, int * dists)
 	}
 	fprintf(stderr, "\n");
 }
-#endif
 
 
 // Precalculate distances between all pairs of valves
@@ -318,6 +316,8 @@ main(int argc, char ** argv)
 
 	// Calculate distances between all valves
 	dists = valve_distances(valves, nvalves);
+	if (debug)
+		valve_distances_dump(valves, nvalves, dists);
 
 	// Find start position
 	for (v = valves; v < valves + nvalves && !start; ++v) {
@@ -369,6 +369,7 @@ main(int argc, char ** argv)
 
 		// Is it a new high?
 		if (flow > max) {
+			max = flow;
 			if (debug) {
 				int j;
 				fprintf(stderr, "Found new max flow: %d: %s", max, start->name);
@@ -376,7 +377,6 @@ main(int argc, char ** argv)
 					fprintf(stderr, "->%s", path[j]->name);
 				fprintf(stderr, "\n");
 			}
-			max = flow;
 		}
 
 		if (i < nflows) {