# | User | Rating |
---|---|---|
1 | tourist | 3856 |
2 | jiangly | 3747 |
3 | orzdevinwang | 3706 |
4 | jqdai0815 | 3682 |
5 | ksun48 | 3591 |
6 | gamegame | 3477 |
7 | Benq | 3468 |
8 | Radewoosh | 3462 |
9 | ecnerwala | 3451 |
10 | heuristica | 3431 |
# | User | Contrib. |
---|---|---|
1 | cry | 167 |
2 | -is-this-fft- | 162 |
3 | Dominater069 | 160 |
4 | Um_nik | 158 |
5 | atcoder_official | 157 |
6 | Qingyu | 156 |
7 | djm03178 | 151 |
7 | adamant | 151 |
9 | luogu_official | 150 |
10 | awoo | 147 |
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. | Lang. | By | When | Δ | Comment | |
---|---|---|---|---|---|---|
en7 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 19:41:29 | 43 | ||
en6 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 19:40:36 | 8 | Tiny change: ''m Really Shocked to reach' -> ''m Really proud to reach' | |
en5 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 18:51:56 | 3 | (published) | |
en4 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 18:51:31 | 614 | ||
en3 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 18:46:45 | 589 | ||
en2 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 18:43:13 | 1082 | Tiny change: 'spoiler>\n\n\n<spoiler' -> 'spoiler>\n<spoiler' | |
en1 |
![]() |
I_HATE_DBCHEATERS | 2023-08-25 18:30:12 | 568 | Initial revision (saved to drafts) |
Name |
---|