lets we have
string s="" , k="abcd";
(1) s=s+a;
(2) s+=a;
# | 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 | 164 |
2 | maomao90 | 160 |
3 | -is-this-fft- | 159 |
3 | cry | 159 |
5 | atcoder_official | 158 |
5 | awoo | 158 |
7 | adamant | 155 |
8 | nor | 154 |
9 | maroonrk | 152 |
10 | Dominater069 | 149 |
lets we have
string s="" , k="abcd";
(1) s=s+a;
(2) s+=a;
Name |
---|
s=s+a; creates a copy of the string so you can get MLE,
s+=a or s.append(a) doesnt creates a copy of the string.
s+=a and s=s+a aren't they same?
nope