Reclassify 7 challenges by difficulty

challenges/medium/43_count_array_element/starter/starter.cu

@@ -0,0 +1,4 @@
+#include <cuda_runtime.h>
+
+// input, output are device pointers
+extern "C" void solve(const int* input, int* output, int N, int K) {}

challenges/medium/43_count_array_element/starter/starter.mojo

@@ -0,0 +1,9 @@
+from gpu.host import DeviceContext
+from gpu.id import block_dim, block_idx, thread_idx
+from memory import UnsafePointer
+from math import ceildiv
+
+# input, output are device pointers
+@export
+def solve(input: UnsafePointer[Int32], output: UnsafePointer[Int32], N: Int32, K: Int32):
+    pass

challenges/medium/43_count_array_element/starter/starter.triton.py

@@ -0,0 +1,8 @@
+import torch
+import triton
+import triton.language as tl
+
+
+# input, output are tensors on the GPU
+def solve(input: torch.Tensor, output: torch.Tensor, N: int, K: int):
+    pass

challenges/medium/44_count_2d_array_element/starter/starter.cu

@@ -0,0 +1,4 @@
+#include <cuda_runtime.h>
+
+// input, output are device pointers
+extern "C" void solve(const int* input, int* output, int N, int M, int K) {}

challenges/medium/44_count_2d_array_element/starter/starter.mojo

@@ -0,0 +1,9 @@
+from gpu.host import DeviceContext
+from gpu.id import block_dim, block_idx, thread_idx
+from memory import UnsafePointer
+from math import ceildiv
+
+# input, output are device pointers
+@export
+def solve(input: UnsafePointer[Int32], output: UnsafePointer[Int32], N: Int32, M: Int32, K: Int32):
+    pass