Please see if this test case is correct .
Your Input : ["yo","ew","fc","zrc","yodn","fcm","qm","qmo","fcmz","z","ewq","yod","ewqz","y"]\nOutput : "ewqz"\nExpected : "yodn"\n\nI think ewqz is lexicograph
Your Input : ["yo","ew","fc","zrc","yodn","fcm","qm","qmo","fcmz","z","ewq","yod","ewqz","y"]\nOutput : "ewqz"\nExpected : "yodn"\n\nI think ewqz is lexicographically smaller than yodn , then why yodn is the answer ?
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