{"problem":{"name":"Varied","description":{"content":"You are given a string $S$ consisting of lowercase English letters. Determine whether all the characters in $S$ are different.","description_type":"Markdown"},"platform":"AtCoder","limit":{"time_limit":2000,"memory_limit":262144},"difficulty":"None","is_remote":true,"is_sync":true,"sync_url":null,"sign":"abc063_b"},"statements":[{"statement_type":"Markdown","content":"You are given a string $S$ consisting of lowercase English letters. Determine whether all the characters in $S$ are different.\n\n## Constraints\n\n*   $2 ≤ |S| ≤ 26$, where $|S|$ denotes the length of $S$.\n*   $S$ consists of lowercase English letters.\n\n## Input\n\nInput is given from Standard Input in the following format:\n\n$S$\n\n[samples]","is_translate":false,"language":"English"}],"meta":{"iden":"abc063_b","tags":[],"sample_group":[["uncopyrightable","yes"],["different","no"],["no","yes"]],"created_at":"2026-03-03 11:01:14"}}