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Practice #1 Editorial
I would like to thank all the participants for their participation hope you enjoyed the problems , I'm Really Shocked to reach about 100 participants joined the contest Problems A. Cubes
The Sum $$$\sum_{x=1}^{n}x^3$$$ has a closed form which is $$$(\frac{n(n+1)}{2})^2$$$
x=int(input())
print(x*(x+1)*x*(x+1)//4)
Rev. | Язык | Кто | Когда | Δ | Комментарий | |
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en7 | romanregins | 2023-08-25 19:41:29 | 43 | |||
en6 | romanregins | 2023-08-25 19:40:36 | 8 | Tiny change: ''m Really Shocked to reach' -> ''m Really proud to reach' | ||
en5 | romanregins | 2023-08-25 18:51:56 | 3 | (published) | ||
en4 | romanregins | 2023-08-25 18:51:31 | 614 | |||
en3 | romanregins | 2023-08-25 18:46:45 | 589 | |||
en2 | romanregins | 2023-08-25 18:43:13 | 1082 | Tiny change: 'spoiler>\n\n\n<spoiler' -> 'spoiler>\n<spoiler' | ||
en1 | romanregins | 2023-08-25 18:30:12 | 568 | Initial revision (saved to drafts) |
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