diff --git a/prisma/migrations/20250616020439_add_random/migration.sql b/prisma/migrations/20250616020439_add_random/migration.sql
new file mode 100644
index 0000000..59728f5
--- /dev/null
+++ b/prisma/migrations/20250616020439_add_random/migration.sql
@@ -0,0 +1,13 @@
+/*
+  Warnings:
+
+  - Added the required column `type` to the `Problem` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- CreateEnum
+CREATE TYPE "Type" AS ENUM ('NS', 'INT', 'FLOAT', 'CHAR', 'INTARRAY', 'FLOATARRAY', 'STRING', 'MATRIX');
+
+-- AlterTable
+ALTER TABLE "Problem" ADD COLUMN     "isRandom" BOOLEAN NOT NULL DEFAULT false,
+ADD COLUMN     "lengthOfArray" INTEGER[],
+ADD COLUMN     "type" "Type" NOT NULL;
diff --git a/prisma/migrations/20250616021548_rename_type/migration.sql b/prisma/migrations/20250616021548_rename_type/migration.sql
new file mode 100644
index 0000000..f44282f
--- /dev/null
+++ b/prisma/migrations/20250616021548_rename_type/migration.sql
@@ -0,0 +1,16 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `type` on the `Problem` table. All the data in the column will be lost.
+  - Added the required column `answerType` to the `Problem` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- CreateEnum
+CREATE TYPE "AnswerType" AS ENUM ('NS', 'INT', 'FLOAT', 'CHAR', 'INTARRAY', 'FLOATARRAY', 'STRING', 'MATRIX');
+
+-- AlterTable
+ALTER TABLE "Problem" DROP COLUMN "type",
+ADD COLUMN     "answerType" "AnswerType" NOT NULL;
+
+-- DropEnum
+DROP TYPE "Type";
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 6a14175..b82be14 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -34,6 +34,17 @@ enum Protocol {
   wss
 }
 
+enum AnswerType {
+  NS // Not Suitable
+  INT // Single Integer
+  FLOAT // Single Float
+  CHAR // Single Character
+  INTARRAY // Integer Array
+  FLOATARRAY // Float Array
+  STRING // Single String
+  MATRIX // Arrays
+}
+
 enum Status {
   PD // PENDING
   QD // QUEUED
@@ -76,22 +87,22 @@ model User {
 }
 
 model Problem {
-  id          String     @id @default(cuid())
-  displayId   Int        @unique
-  difficulty  Difficulty @default(EASY)
-  isPublished Boolean    @default(false)
-  trim        Boolean    @default(false)
-  timeLimit   Int        @default(1000)
-  memoryLimit Int        @default(134217728)
-
-
+  id            String     @id @default(cuid())
+  displayId     Int        @unique
+  difficulty    Difficulty @default(EASY)
+  isPublished   Boolean    @default(false)
+  trim          Boolean    @default(false)
+  timeLimit     Int        @default(1000)
+  memoryLimit   Int        @default(134217728)
+  isRandom      Boolean    @default(false)
+  answerType    AnswerType
+  lengthOfArray Int[]
 
   localizations ProblemLocalization[]
   templates     Template[]
   testcases     Testcase[]
   submissions   Submission[]
 
-
   userId String?
 
   user User? @relation(fields: [userId], references: [id], onDelete: SetNull)
diff --git a/prisma/seed.ts b/prisma/seed.ts
index 99148b4..6617018 100644
--- a/prisma/seed.ts
+++ b/prisma/seed.ts
@@ -42,6 +42,8 @@ const problemData: Prisma.ProblemCreateInput[] = [
     difficulty: "EASY",
     isPublished: true,
     trim: true,
+    answerType: "INTARRAY",
+    lengthOfArray: [2, 3, 4, 5, 6],
     localizations: {
       create: [
         {
@@ -736,6 +738,8 @@ int main() {
     difficulty: "MEDIUM",
     isPublished: true,
     trim: true,
+    answerType: "INTARRAY",
+    lengthOfArray: [1, 2, 3],
     localizations: {
       create: [
         {
@@ -1264,6 +1268,8 @@ int main() {
     difficulty: "HARD",
     isPublished: true,
     trim: true,
+    answerType: "INTARRAY",
+    lengthOfArray: [1, 2, 3, 4, 5],
     localizations: {
       create: [
         {
diff --git a/src/app/actions/random.ts b/src/app/actions/random.ts
new file mode 100644
index 0000000..c4f514e
--- /dev/null
+++ b/src/app/actions/random.ts
@@ -0,0 +1,3 @@
+"use server"
+
+function judgeRandom(){}