API Response (JSON)
{
"problem": {
"name": "E. Mahmoud and Ehab and the xor-MST",
"description": {
"content": "Ehab is interested in the bitwise-xor operation and the special graphs. Mahmoud gave him a problem that combines both. He has a complete graph consisting of _n_ vertices numbered from 0 to _n_ - 1. Fo",
"description_type": "Markdown"
},
"platform": "Codeforces",
"limit": {
"time_limit": 2000,
"memory_limit": 262144
},
"difficulty": "None",
"is_remote": true,
"is_sync": true,
"sync_url": null,
"sign": "CF959E"
},
"statements": [
{
"statement_type": "Markdown",
"content": "Ehab is interested in the bitwise-xor operation and the special graphs. Mahmoud gave him a problem that combines both. He has a complete graph consisting of _n_ vertices numbered from 0 to _n_ - 1. Fo...",
"is_translate": false,
"language": "English"
},
{
"statement_type": "Markdown",
"content": "[{\"iden\":\"statement\",\"content\":\"Ehab 对按位异或运算和特殊图感兴趣。Mahmoud 给了他一个结合了这两者的问题。他有一个包含 #cf_span[n] 个顶点的完全图,顶点编号从 #cf_span[0] 到 #cf_span[n - 1]。对于所有 #cf_span[0 ≤ u < v < n],顶点 #cf_span[u] 和顶点 #cf_span[v] 通过...",
"is_translate": true,
"language": "Chinese"
},
{
"statement_type": "Markdown",
"content": "**Definitions** \nLet $ n \\in \\mathbb{Z} $ with $ 2 \\leq n \\leq 10^{12} $. \nConsider the complete graph $ G = (V, E) $ where: \n- $ V = \\{0, 1, 2, \\dots, n-1\\} $, \n- For every pair $ u, v \\in V $ wi...",
"is_translate": false,
"language": "Formal"
}
]
}