Duplex Printing

AtCoder

IDabc157_a

Time2000ms

Memory256MB

Difficulty—

Takahashi wants to print a document with $N$ pages double-sided, where two pages of data can be printed on one sheet of paper. At least how many sheets of paper does he need? ## Constraints * $N$ is an integer. * $1 \leq N \leq 100$ ## Input Input is given from Standard Input in the following format: $N$ [samples]

Samples

Input #1

Output #1

3

By printing the $1$\-st, $2$\-nd pages on the $1$\-st sheet, $3$\-rd and $4$\-th pages on the $2$\-nd sheet, and $5$\-th page on the $3$\-rd sheet, we can print all the data on $3$ sheets of paper.

Input #2

Output #2

Input #3

Output #3

API Response (JSON)

{
  "problem": {
    "name": "Duplex Printing",
    "description": {
      "content": "Takahashi wants to print a document with $N$ pages double-sided, where two pages of data can be printed on one sheet of paper. At least how many sheets of paper does he need?",
      "description_type": "Markdown"
    },
    "platform": "AtCoder",
    "limit": {
      "time_limit": 2000,
      "memory_limit": 262144
    },
    "difficulty": "None",
    "is_remote": true,
    "is_sync": true,
    "sync_url": null,
    "sign": "abc157_a"
  },
  "statements": [
    {
      "statement_type": "Markdown",
      "content": "Takahashi wants to print a document with $N$ pages double-sided, where two pages of data can be printed on one sheet of paper.\nAt least how many sheets of paper does he need?\n\n## Constraints\n\n*   $N$ ...",
      "is_translate": false,
      "language": "English"
    }
  ]
}

Full JSON Raw Segments