I have recently encountered this problem:
"Given an array a1, a2, ..., an, (1 ≤ n ≤ 105, 1 ≤ ai ≤ 106), count the number of subsequence ap1, ap2, ..., apk that ap1&ap2&...&apk = 0 t
# | User | Rating |
---|---|---|
1 | tourist | 4009 |
2 | jiangly | 3773 |
3 | Radewoosh | 3646 |
4 | ecnerwala | 3624 |
5 | jqdai0815 | 3620 |
5 | Benq | 3620 |
7 | orzdevinwang | 3612 |
8 | Geothermal | 3569 |
8 | cnnfls_csy | 3569 |
10 | Um_nik | 3396 |
# | User | Contrib. |
---|---|---|
1 | Um_nik | 162 |
2 | cry | 161 |
3 | maomao90 | 160 |
4 | -is-this-fft- | 159 |
5 | awoo | 158 |
6 | atcoder_official | 157 |
7 | nor | 155 |
7 | adamant | 155 |
9 | maroonrk | 152 |
10 | Dominater069 | 149 |
Count the number of subsequence in an array with 'and' operator sum equal to 0?
I have recently encountered this problem:
"Given an array a1, a2, ..., an, (1 ≤ n ≤ 105, 1 ≤ ai ≤ 106), count the number of subsequence ap1, ap2, ..., apk that ap1&ap2&...&apk = 0 t
Rev. | Lang. | By | When | Δ | Comment | |
---|---|---|---|---|---|---|
en2 | xuanquang1999 | 2017-01-01 16:13:12 | 237 | (published) | ||
en1 | xuanquang1999 | 2017-01-01 16:03:48 | 321 | Initial revision (saved to drafts) |
Name |
---|