Varied

AtCoder

IDabc063_b

Time2000ms

Memory256MB

Difficulty—

You are given a string $S$ consisting of lowercase English letters. Determine whether all the characters in $S$ are different. ## Constraints * $2 ≤ |S| ≤ 26$, where $|S|$ denotes the length of $S$. * $S$ consists of lowercase English letters. ## Input Input is given from Standard Input in the following format: $S$ [samples]

Samples

Input #1

uncopyrightable

Output #1

yes

Input #2

different

Output #2

no

Input #3

no

Output #3

yes

API Response (JSON)

{
  "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...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments