Remove duplicates from the array.

1 files changed, 12 insertions, 0 deletions

diff --git a/challenge-087/abigail/c/ch-1.c b/challenge-087/abigail/c/ch-1.c
index a82d4e140c..a0791f9568 100644
--- a/challenge-087/abigail/c/ch-1.c
+++ b/challenge-087/abigail/c/ch-1.c
@@ -74,6 +74,18 @@ int main (void) {
         /* Quick sort to sort the array */
         qsort (array, size, sizeof (long), cmp);
 
+        /*
+         * Remove duplicates
+         */
+        size_t i;
+        size_t j;
+        for (i = j = 1; i < size; i ++) {
+            if (array [i] != array [j - 1]) {
+                array [j ++] = array [i];
+            }
+        }
+        size = j;
+
         size_t max_streak = 0;
         size_t max_index  = 0;
         size_t cur_streak = 0;