Problem	sixandseven
User	nlky2seg
Submission Time	2026-07-05 00:43:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

sixandseven.cpp: In function ‘int main()’:
sixandseven.cpp:6:8: error: ‘std::string’ {aka ‘class std::__cxx11::basic_string<char>’} has no member named ‘contains’
6 | if (a.contains("67")){
| ^~~~~~~~