2732脑筋急转弯中等derivationmedium
Weak Compositions With Uniform Upper Bounds
题目
How many weak compositions of 15 into 5 parts have every part at most 4? Solve it from the generating function ((1-x^5)/(1-x))^5.
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题目
How many weak compositions of 15 into 5 parts have every part at most 4? Solve it from the generating function ((1-x^5)/(1-x))^5.
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案