API Response (JSON)
{
"problem": {
"name": "A. Alex and broken contest",
"description": {
"content": "One day Alex was creating a contest about his friends, but accidentally deleted it. Fortunately, all the problems were saved, but now he needs to find them among other problems. But there are too man",
"description_type": "Markdown"
},
"platform": "Codeforces",
"limit": {
"time_limit": 2000,
"memory_limit": 262144
},
"difficulty": "None",
"is_remote": true,
"is_sync": true,
"sync_url": null,
"sign": "CF877A"
},
"statements": [
{
"statement_type": "Markdown",
"content": "One day Alex was creating a contest about his friends, but accidentally deleted it. Fortunately, all the problems were saved, but now he needs to find them among other problems.\n\nBut there are too man...",
"is_translate": false,
"language": "English"
},
{
"statement_type": "Markdown",
"content": "一天，Alex 正在为他的朋友们创建一个竞赛，但不小心删除了它。幸运的是，所有题目都被保存了下来，但现在他需要在其他题目中找到它们。\n\n但题目太多了，无法手动完成。Alex 请你写一个程序，通过题目的名称判断它是否来自这个竞赛。\n\n已知，当且仅当题目的名称中恰好包含一个 Alex 的朋友的名字时，该题目才来自这个竞赛。他的朋友的名字是 \"_Danil_\"、\"_Olya_\"、\"_Slava_\"、\"_...",
"is_translate": true,
"language": "Chinese"
},
{
"statement_type": "Markdown",
"content": "**Definitions** \nLet $ S $ be the input string of length $ \\leq 100 $, consisting of ASCII letters and underscores. \nLet $ F = \\{ \\text{\"Danil\"}, \\text{\"Olya\"}, \\text{\"Slava\"}, \\text{\"Ann\"}, \\text{\"...",
"is_translate": false,
"language": "Formal"
}
]
}