diff --git a/web/src/lib/util.ts b/web/src/lib/util.ts
new file mode 100644
index 0000000..c54963a
--- /dev/null
+++ b/web/src/lib/util.ts
@@ -0,0 +1,3 @@
+export function stretchTextarea(textarea: HTMLTextAreaElement) {
+	textarea.style.height = textarea.scrollHeight + 'px';
+}
diff --git a/web/src/routes/admin/diff/[submissionId]/+page.server.ts b/web/src/routes/admin/diff/[submissionId]/+page.server.ts
index f514f08..5cad745 100644
--- a/web/src/routes/admin/diff/[submissionId]/+page.server.ts
+++ b/web/src/routes/admin/diff/[submissionId]/+page.server.ts
@@ -17,7 +17,7 @@ export const load = (async ({ params }) => {
 		throw error(500, 'Invalid problem');
 	}
 
-	return { diff: submission.diff, submissionId: submission.id };
+	return { diff: submission.diff, submissionId: submission.id, output: submission.actualOutput };
 }) satisfies PageServerLoad;
 
 export const actions = {
diff --git a/web/src/routes/admin/diff/[submissionId]/+page.svelte b/web/src/routes/admin/diff/[submissionId]/+page.svelte
index 74c8f0d..83fcd5d 100644
--- a/web/src/routes/admin/diff/[submissionId]/+page.svelte
+++ b/web/src/routes/admin/diff/[submissionId]/+page.svelte
@@ -5,6 +5,7 @@
 	import type { Actions, PageData } from './$types';
 	import { enhance } from '$app/forms';
 	import { goto } from '$app/navigation';
+	import { stretchTextarea } from '$lib/util';
 
 	export let data: PageData;
 	export let form: Actions;
@@ -52,10 +53,10 @@
 </script>
 
 <svelte:head>
-	<title>Diff</title>
+	<title>Review Submission</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4">Diff</h1>
+<h1 style="text-align:center" class="mb-4">Review Submission</h1>
 
 {#if form && !form.success}
 	<div class="alert alert-danger">Submission was not successful</div>
@@ -63,11 +64,17 @@
 	<div class="alert alert-success">Success!</div>
 {/if}
 
-<div class="col">
+<div class="mb-3 col">
 	<a href="/admin/reviews" class="btn btn-outline-primary">All Reviews</a>
-	<a href={`/admin/submissions/${data.submissionId.toString()}`} class="btn btn-outline-primary">Go to Submission</a>
+	<a href={`/admin/submissions/${data.submissionId.toString()}`} class="btn btn-outline-primary"
+		>Go to Submission</a
+	>
 </div>
 
+<h3>Output</h3>
+<textarea use:stretchTextarea class="mb-3 form-control" disabled>{data.output}</textarea>
+
+<h3>Diff</h3>
 <div class="mt-3" id="diff" />
 
 <form method="POST" action="?/submit" use:enhance>
diff --git a/web/src/routes/admin/problems/[problemId]/+page.svelte b/web/src/routes/admin/problems/[problemId]/+page.svelte
index f8f9218..a3fef4d 100644
--- a/web/src/routes/admin/problems/[problemId]/+page.svelte
+++ b/web/src/routes/admin/problems/[problemId]/+page.svelte
@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
 	import { page } from '$app/stores';
+	import { stretchTextarea } from '$lib/util';
 	import type { Actions, PageData } from './$types';
 
 	let editing = false;
@@ -9,10 +10,6 @@
 	export let data: PageData;
 	export let form: Actions;
 
-	function stretchTextarea(textarea: HTMLTextAreaElement) {
-		textarea.style.height = textarea.scrollHeight + 'px';
-	}
-
 	async function deleteProblem() {
 		const sure = confirm('Are you sure?');
 		if (!sure) {
diff --git a/web/src/routes/api/team/[session]/submit/+server.ts b/web/src/routes/api/team/[session]/submit/+server.ts
index 1ff71f3..c3aec83 100644
--- a/web/src/routes/api/team/[session]/submit/+server.ts
+++ b/web/src/routes/api/team/[session]/submit/+server.ts
@@ -13,7 +13,10 @@ export const POST = (async ({ params, request }) => {
 	const sessionToken = params.session;
 	const activeTeam = await db.activeTeam.findUnique({
 		where: { sessionToken: sessionToken },
-		include: { contest: { include: { problems: { select: { id: true } } } } }
+		include: {
+			contest: { include: { problems: { select: { id: true } } } },
+			team: { include: { submissions: true } }
+		}
 	});
 	if (!activeTeam) {
 		throw error(400);
@@ -31,6 +34,19 @@ export const POST = (async ({ params, request }) => {
 		throw error(400);
 	}
 
+	// Make sure no submission is currently marked correct
+	const correctSubmissions = activeTeam.team.submissions.filter((submission) => {
+		return (
+			submission.contestId === activeTeam.contestId &&
+			submission.state === 'Correct' &&
+			submission.problemId === data.data.problemId
+		);
+	}).length;
+
+	if (correctSubmissions !== 0) {
+		return json({ success: false, message: 'Already submitted correct submission' });
+	}
+
 	await db.submission.create({
 		data: {
 			state: SubmissionState.Queued,