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Time complexity
Hi, So far I have known that the time complexity for concatenate two strings is O(n). So
`while (a.length() < b.length()) a = "0" + a;
is O(n^2). But it still passed the TL: http://codeforces.me/contest/1066/submission/44198754
I am wondering why it passed. Could anyone help me?
| Rev. | Lang. | By | When | Δ | Comment | |
|---|---|---|---|---|---|---|
| en3 |
|
EternalFire | 2018-10-13 11:00:44 | 4 | Tiny change: 'Hi,\nSo far I ha' -> 'Hi,\n\nso far I ha' | |
| en2 |
|
EternalFire | 2018-10-13 11:00:10 | 5 | ||
| en1 |
|
EternalFire | 2018-10-13 10:58:27 | 305 | Initial revision (published) |
