diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..cb83045
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="ExceptionCaughtLocallyJS" enabled="false" level="WARNING" enabled_by_default="false" />
+  </profile>
+</component>
\ No newline at end of file
diff --git a/supabase/functions/.env b/supabase/functions/.env
new file mode 100644
index 0000000..db53efa
--- /dev/null
+++ b/supabase/functions/.env
@@ -0,0 +1 @@
+JUDGE0_ENDPOINT=http://192.168.50.83:2358
\ No newline at end of file
diff --git a/supabase/functions/fresh-challenges/index.ts b/supabase/functions/fresh-challenges/index.ts
new file mode 100644
index 0000000..f9ef8b1
--- /dev/null
+++ b/supabase/functions/fresh-challenges/index.ts
@@ -0,0 +1,44 @@
+import { createClient } from "https://esm.sh/@supabase/supabase-js";
+
+// http://127.0.0.1:54321/functions/v1/fresh-challenges
+// Auto get judging status from remote lawyers
+
+Deno.serve(async (req) => {
+  try {
+    const client = createClient(
+      Deno.env.get("SUPABASE_URL") ?? "",
+      Deno.env.get("SUPABASE_SERVICE_ROLE_KEY") ?? ""
+    );
+
+    const body = await req.json();
+
+    const { data } = await client
+      .from("challenges")
+      .select<any, any>("*")
+      .eq("status", "judging")
+      .eq("id", body.id)
+      .single();
+
+    if (data == null || data?.details?.submissions == null) {
+      return new Response(String("Unable to find the challenge with the id in the request."), { status: 400 });
+    }
+
+    const tokens = data?.details?.submissions
+      .map((item: { token: string }) => item.token)
+      .join(",");
+
+    const resp = await fetch(
+      Deno.env.get("JUDGE0_ENDPOINT") + `/submissions/batch?tokens=${tokens}`,
+      { method: "GET" }
+    );
+
+    const result = await resp.json();
+
+    return new Response(JSON.stringify({ result }), {
+      headers: { "Content-Type": "application/json" },
+      status: 200
+    });
+  } catch (err) {
+    return new Response(String(err?.message ?? err), { status: 500 });
+  }
+});
\ No newline at end of file
diff --git a/supabase/functions/judge-challenges/index.ts b/supabase/functions/judge-challenges/index.ts
index f1b224e..dd13803 100644
--- a/supabase/functions/judge-challenges/index.ts
+++ b/supabase/functions/judge-challenges/index.ts
@@ -1,39 +1,58 @@
 import { createClient } from "https://esm.sh/@supabase/supabase-js";
+import { runChallenge } from "./runners/index.ts";
 
-Deno.serve(async (req) => {
+// http://127.0.0.1:54321/functions/v1/judge-challenges
+// Judge all status is submitted challenges
+
+Deno.serve(async (_) => {
   try {
     const client = createClient(
-      Deno.env.get('SUPABASE_URL') ?? '',
-      Deno.env.get('SUPABASE_ANON_KEY') ?? '',
-      { global: { headers: { Authorization: req.headers.get('Authorization')! } } }
-    )
+      Deno.env.get("SUPABASE_URL") ?? "",
+      Deno.env.get("SUPABASE_SERVICE_ROLE_KEY") ?? ""
+    );
 
     const { data, error } = await client
-      .from('challenges')
-      .select<any, any>('*')
-      .eq('status', 'submitted')
+      .from("challenges")
+      .select<any, any>("*")
+      .eq("status", "submitted")
+      .limit(20);
 
     if (error) {
-      throw error
+      throw error;
     }
 
-    return new Response(JSON.stringify({ data }), {
-      headers: { 'Content-Type': 'application/json' },
-      status: 200,
-    })
+    let counter = 0;
+    for (const item of data) {
+      const { data: problem } = await client
+        .from("problems")
+        .select<any, any>("*")
+        .eq("id", item.problem)
+        .single();
+
+      if (problem == null) {
+        throw new Error("Problem was not found.");
+      }
+
+      const { data: cases } = await client
+        .from("problem_cases")
+        .select<any, any>("*")
+        .eq("problem", problem.id);
+
+      const result = await runChallenge(item, problem, cases);
+
+      await client
+        .from("challenges")
+        .update<any>({ status: result.status === "skipped" ? "finished" : "judging", details: result })
+        .eq("id", item.id);
+
+      counter++;
+    }
+
+    return new Response(JSON.stringify({ judged: counter }), {
+      headers: { "Content-Type": "application/json" },
+      status: 200
+    });
   } catch (err) {
-    return new Response(String(err?.message ?? err), { status: 500 })
+    return new Response(String(err?.message ?? err), { status: 500 });
   }
 });
-
-/* To invoke locally:
-
-  1. Run `supabase start` (see: https://supabase.com/docs/reference/cli/supabase-start)
-  2. Make an HTTP request:
-
-  curl -i --location --request POST 'http://127.0.0.1:54321/functions/v1/judge-challenges' \
-    --header 'Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJzdXBhYmFzZS1kZW1vIiwicm9sZSI6ImFub24iLCJleHAiOjE5ODM4MTI5OTZ9.CRXP1A7WOeoJeXxjNni43kdQwgnWNReilDMblYTn_I0' \
-    --header 'Content-Type: application/json' \
-    --data '{"name":"Functions"}'
-
-*/
diff --git a/supabase/functions/judge-challenges/runners/index.ts b/supabase/functions/judge-challenges/runners/index.ts
new file mode 100644
index 0000000..b829904
--- /dev/null
+++ b/supabase/functions/judge-challenges/runners/index.ts
@@ -0,0 +1,10 @@
+import { runProgramChallenge } from "./programming.ts";
+
+export async function runChallenge(challenge: any, problem: any, cases: any) {
+  switch (problem.type) {
+    case "programming":
+      return await runProgramChallenge(challenge, problem, cases)
+    default:
+      throw new Error("Unsupported problem type.")
+  }
+}
\ No newline at end of file
diff --git a/supabase/functions/judge-challenges/runners/programming.ts b/supabase/functions/judge-challenges/runners/programming.ts
new file mode 100644
index 0000000..158e866
--- /dev/null
+++ b/supabase/functions/judge-challenges/runners/programming.ts
@@ -0,0 +1,40 @@
+export async function runProgramChallenge(challenge: any, problem: any, cases: any[]) {
+  const languages: { [id: string]: number } = {
+    "cpp": 54
+  };
+
+  const code = challenge.answers?.code;
+  const language = challenge.answers?.language;
+  if (!code || !language || !cases || Object.keys(languages).indexOf(language) < 0) {
+    return {
+      status: "skipped",
+      submissions: null
+    };
+  }
+
+  const idx = languages[language];
+  const submissions = cases.map((item: any) => {
+    return {
+      "language_id": idx,
+      "source_code": challenge.answers?.code,
+      "expected_output": item?.stdout,
+      "stdin": code
+    };
+  });
+
+  const resp = await fetch(
+    Deno.env.get("JUDGE0_ENDPOINT") + "/submissions/batch",
+    {
+      method: "POST",
+      headers: { "Content-Type": "application/json" },
+      body: JSON.stringify({ submissions })
+    }
+  );
+
+  const result = await resp.json();
+
+  return {
+    status: "judging",
+    submissions: result
+  };
+}
\ No newline at end of file