fix: wrong base case

server/routes.ts

@@ -197,7 +197,7 @@ export async function createApiRouter() {
             return
         }
 
-        const problemNextId = (await getProblems(db)).map(p => parseInt(p.id)).reduce((acc, v) => Math.max(acc, v), 1) + 1
+        const problemNextId = (await getProblems(db)).map(p => parseInt(p.id)).reduce((acc, v) => Math.max(acc, v), 0) + 1
 
         const id = await createProblem(db, {
             title: req.body.title ?? `Problema ${problemNextId}`,