diff --git a/challenges/easy/24_rainbow_table/starter/starter.cute.py b/challenges/easy/24_rainbow_table/starter/starter.cute.py
index 598a2002..4515c2f1 100644
--- a/challenges/easy/24_rainbow_table/starter/starter.cute.py
+++ b/challenges/easy/24_rainbow_table/starter/starter.cute.py
@@ -2,6 +2,17 @@
 import cutlass.cute as cute
 
 
+def fnv1a_hash_u32_scalar(x):
+    val = cute.Uint32(x)
+    hash_val = cute.Uint32(OFFSET_BASIS)
+    prime = cute.Uint32(FNV_PRIME)
+    mask = cute.Uint32(0xFF)
+    for byte_pos in range(4):
+        byte = (val >> (byte_pos * 8)) & mask
+        hash_val = (hash_val ^ byte) * prime
+    return cute.Uint32(hash_val)
+
+
 # input, output are tensors on the GPU
 @cute.jit
 def solve(input: cute.Tensor, output: cute.Tensor, N: cute.Int32, R: cute.Int32):