AtCoder Regular Contest 145
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Problem Statement
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Find the number, modulo $998244353$, of non-decreasing sequences $A=(A_1,A_2,\ldots,A_N)$ of length $N$ consisting of integers between $0$ and $M$ (inclusive) that satisfy the following, for each $K=0,1,\ldots,\mathrm{MOD}-1$:
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- the sum of the elements in
$A$is congruent to$K$modulo$\mathrm{MOD}$.
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What is a non-decreasing sequence? A sequence $B$ is non-decreasing if and only if $B_i \leq B_{i+1}$ for every integer ($1 \le i \le |B| - 1$), where $|B|$ is the length of $B$.
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Constraints
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$1 \leq N ,M\leq 10^6$$1\leq \mathrm{MOD}\leq 500$- All values in input are integers.
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Input
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Input is given from Standard Input in the following format:
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N M \mathrm{MOD}
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Output
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For each $K=0,1,\ldots,\mathrm{MOD}-1$, print the number, modulo $998244353$, of sequences that satisfy the condition.
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样例
Input #1
2 2 4
Output #1
2 1 2 1
There are $6$ non-decreasing sequences of length $2$ consisting of integers between $0$ and $2$: $(0, 0), (0, 1),(0,2), (1,1),(1,2),(2,2)$. Here, we have:
- $2$ sequences whose sums are congruent to $0$ modulo $4$: $(0,0),(2,2)$;
- $1$ sequence whose sum is congruent to $1$ modulo $4$: $(0,1)$;
- $2$ sequences whose sums are congruent to $2$ modulo $4$: $(0,2),(1,1)$;
- $1$ sequence whose sum is congruent to $3$ modulo $4$: $(1,2)$.
Input #2
3 45 3
Output #2
5776 5760 5760
Input #3
1000000 1000000 6
Output #3
340418986 783857865 191848859 783857865 340418986 635287738
Print the counts modulo $998244353$.
题目信息
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