AtCoder Regular Contest 213 (Div. 1)
翻译中…
Problem Statement
翻译中…
You are given positive integers $N$ and $K$ satisfying $1\leq K\leq N$.
翻译中…
For a permutation $P = (P_{1}, P_{2}, \dots , P_{N})$ of $(1, 2, \dots , N)$, define $f(P)$ as follows:
翻译中…
- The minimum possible value of the number of inversions of a length-
$N$integer sequence$A = (A_{1}, A_{2}, \dots, A_{N})$satisfying the following condition: $|A_{i}| = P_{i}$for every integer$1\leq i\leq N$.
翻译中…
For $a = 1, 2, \dots, N$, answer the following question:
翻译中…
There are
$(N - 1)!$permutations$P = (P_{1}, P_{2}, \dots , P_{N})$of$(1, 2, \dots , N)$satisfying$P_{K} = a$. Find the sum, modulo$998244353$, of$f(P)$over all of them.
翻译中…
Constraints
翻译中…
$1\leq K\leq N\leq 2\times 10^{5}$- All input values are integers.
翻译中…
Input
翻译中…
The input is given from Standard Input in the following format:
翻译中…
N K
翻译中…
Output
翻译中…
Output $N$ lines. The $i$-th line should contain the answer for $a = i$.
翻译中…
样例
Input #1
4 2
Output #1
3
3
6
8
Input #2
1 1
Output #2
0
Input #3
16 7
Output #3
262718137
262718137
826158422
869037161
443336358
897729892
154945392
124681723
861272045
3176021
900143166
451899023
365015181
740245202
732524873
391198612
题目信息
题面与样例版权归 AtCoder 及出题人所有;中文翻译由 AI 生成(CI 管线),如有出入请以原文为准。