Given a & b(where(1<=a,b<=20), find sum of all integers whose digit sum is exactly $$$a^{b}$$$.
Return sum%10^9+7
Update: Sorry I missed one thing. The sum of all numbers whose each digit is non-zero.
# | User | Rating |
---|---|---|
1 | tourist | 3845 |
2 | jiangly | 3707 |
3 | Benq | 3630 |
4 | orzdevinwang | 3573 |
5 | Geothermal | 3569 |
5 | cnnfls_csy | 3569 |
7 | jqdai0815 | 3532 |
8 | ecnerwala | 3501 |
9 | gyh20 | 3447 |
10 | Rebelz | 3409 |
# | User | Contrib. |
---|---|---|
1 | awoo | 161 |
2 | maomao90 | 160 |
3 | adamant | 157 |
4 | maroonrk | 154 |
5 | -is-this-fft- | 148 |
5 | SecondThread | 148 |
7 | Petr | 147 |
7 | atcoder_official | 147 |
9 | TheScrasse | 145 |
9 | nor | 145 |
Need Help...
Given a & b(where(1<=a,b<=20), find sum of all integers whose digit sum is exactly $$$a^{b}$$$.
Return sum%10^9+7
Update: Sorry I missed one thing. The sum of all numbers whose each digit is non-zero.
Rev. | Lang. | By | When | Δ | Comment | |
---|---|---|---|---|---|---|
en2 |
![]() |
drifter_kabir | 2020-09-04 10:59:03 | 90 | ||
en1 |
![]() |
drifter_kabir | 2020-09-04 03:02:00 | 124 | Initial revision (published) |
Name |
---|