Fixed used of uninitialized aux variable

3 files changed, 8 insertions, 1 deletions

diff --git a/TODO.md b/TODO.md
index 8628101..4ccce22 100644
--- a/TODO.md
+++ b/TODO.md
@@ -40,6 +40,9 @@ It's more of a personal reminder than anything else.
 
 ## Technical stuff
 
+### Better pruning tables
+* Use pruning values mod 4 instead of mod 16
+
 ### Code simplification
 * Remove anti-indeces. I think I can do this by using an iterative deepening
   dfs method for generating pruning tables, like I do in solve()
diff --git a/nissy-2.0beta2.tar.gz b/nissy-2.0beta2.tar.gz
index 0f8abb6..8143d58 100644
--- a/nissy-2.0beta2.tar.gz
+++ b/nissy-2.0beta2.tar.gz
diff --git a/src/utils.c b/src/utils.c
index f72a00e..1c829c4 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -159,12 +159,16 @@ is_perm(int *a, int n)
 {
         int *aux = malloc(n * sizeof(int));
         int i;
-        
+
         for (i = 0; i < n; i++)
+                aux[i] = 0;
+        
+        for (i = 0; i < n; i++) {
                 if (a[i] < 0 || a[i] >= n)
                         return false;
                 else
                         aux[a[i]] = 1;
+        }
 
         for (i = 0; i < n; i++)
                 if (!aux[i])