diff --git a/c/1822-sign-of-the-product-of-an-array.c b/c/1822-sign-of-the-product-of-an-array.c
new file mode 100644
index 000000000..274fdebb8
--- /dev/null
+++ b/c/1822-sign-of-the-product-of-an-array.c
@@ -0,0 +1,6 @@
+int arraySign(int *nums, int numsSize) {
+  char prodSign = 1;
+  for (int i = 0; i < numsSize; i++)
+    prodSign *= ((unsigned)-nums[i] >> 31) - ((unsigned)nums[i] >> 31);
+  return prodSign;
+}