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Problem - F - Codeforces

codeforces.com · 307 words · saved by 1 readers

Codeforces. Programming competitions and contests, programming community

It was October 18, 2017. Shohag, a melancholic soul, made a strong determination that he will pursue Competitive Programming seriously, by heart, because he found it fascinating. Fast forward to 4 years, he is happy that he took this road. He is now creating a contest on Codeforces. He found an astounding problem but has no idea how to solve this. Help him to solve the final problem of the round. You are given three integers $$$n$$$, $$$k$$$ and $$$x$$$. Find the number, modulo $$$998\,244\,353$$$, of integer sequences $$$a_1, a_2, \ldots, a_n$$$ such that the following conditions are…

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