RAINBOW and CHEF clojure TLE

editorial
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1

(defn palindrome? [items]
“Efficient algorithm: loops through only (array-size/2)”
(loop [i 0 j (-> items count dec)]
(cond (>= i j)
true
(not= (nth items i)
(nth items j))
false
:else
(recur (inc i) (dec j)))))

(let [test-cases-count (Integer/parseInt (read-line))
      test-cases       (dotimes [i test-cases-count]
                         (let [nums-count (read-line)
                               nums-temp (-> (read-line) (clojure.string/split #"\s+"))
                               nums (mapv #(Integer/parseInt %) nums-temp)]
                           (if (palindrome? nums)
                             (println "Yes")
                             (println "No"))
                           nums))])

I am solving this (https://www.codechef.com/problems/RAINBOWA) problem in clojure. My submission is failing due to TLE(time limit exceed 1.010000). Does code-chef only allows to solve problem in C and other lower-level languages. Any suggestions to improve code are welcome.