lets we have
string s="" , k="abcd";
(1) s=s+a;
(2) s+=a;
# | User | Rating |
---|---|---|
1 | tourist | 3947 |
2 | jiangly | 3734 |
3 | Radewoosh | 3646 |
4 | jqdai0815 | 3620 |
4 | Benq | 3620 |
6 | orzdevinwang | 3612 |
7 | ecnerwala | 3581 |
8 | Geothermal | 3569 |
8 | cnnfls_csy | 3569 |
10 | ksun48 | 3479 |
# | User | Contrib. |
---|---|---|
1 | awoo | 162 |
2 | maomao90 | 160 |
3 | nor | 156 |
3 | adamant | 156 |
5 | -is-this-fft- | 155 |
5 | atcoder_official | 155 |
7 | maroonrk | 153 |
7 | cry | 153 |
9 | SecondThread | 147 |
10 | Petr | 146 |
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