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Count the most common occurrence of subarray sum.
Count the most common occurrence of subarray sum.
Constraints:
N <= 1e6; abs(ai) <= 1e6
Ex:
Inp:
5
1 1 2 1 4
Out:
3 (there are 3 subarray with the sum of 4: (1, 1, 2), (1, 2, 1), (4)
This question appears in ones of my friends competition and I have no idea how to solve it. Can someone help? Thanks.
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en3 |
|
Loserinlife | 2023-06-03 14:16:36 | 2 | Tiny change: 'np:\n\n5\n1 1 2 1 ' -> 'np:\n\n5\n\n1 1 2 1 ' | |
| en2 |
|
Loserinlife | 2023-06-03 14:16:15 | 11 | ||
| en1 |
|
Loserinlife | 2023-06-03 14:15:17 | 367 | Initial revision (published) |
