1 files changed, 45 insertions, 0 deletions
diff --git a/challenge-235/deadmarshal/c/ch-2.c b/challenge-235/deadmarshal/c/ch-2.c
new file mode 100644
index 0000000000..e1364171da
--- /dev/null
+++ b/challenge-235/deadmarshal/c/ch-2.c
@@ -0,0 +1,45 @@
+#include<stdio.h>
+#include<stdlib.h>
+
+int *duplicate_zeros(int *arr, size_t sz)
+{
+  int *ret = malloc(sz * sizeof(*arr));
+  size_t i = 0,j = 0;
+  while(j < sz)
+  {
+    if(arr[i] == 0)
+    {
+      ret[j] = 0;
+      ret[++j] = 0;
+      ++i;
+      ++j;
+    }
+    else ret[j++] = arr[i++];
+  }
+  return ret;
+}
+
+void print_array(int *arr, size_t sz)
+{
+  for(size_t i = 0; i < sz; ++i) printf("%d ",arr[i]);
+  puts("");
+}
+
+int main()
+{
+  int arr1[] = {1,0,2,3,0,4,5,0};
+  int arr2[] = {1,2,3};
+  int arr3[] = {0,3,0,4,5};
+  size_t sz1 = 8, sz2 = 3, sz3 = 5;
+  int *ret1 = duplicate_zeros(arr1,sz1);
+  int *ret2 = duplicate_zeros(arr2,sz2);
+  int *ret3 = duplicate_zeros(arr3,sz3);
+  print_array(ret1,sz1);
+  print_array(ret2,sz2);
+  print_array(ret3,sz3);
+  free(ret1);
+  free(ret2);
+  free(ret3);
+  return 0;
+}
+