foo.cc: In function 'int main()':
foo.cc:11:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
11 | for(i=1;i<=s1.size();i++)
| ~^~~~~~~~~~~
foo.cc:15:10: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for(i=1;i<=s2.size();i++)
| ~^~~~~~~~~~~
正在同步测试数据,请稍后
[Hydro](https://hydro.ac)提供评测服务