interval.cpp: In function 'int main()':
interval.cpp:10:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
10 | if(i > s2.size()) continue;
| ~~^~~~~~~~~~~
interval.cpp:15:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
15 | for(int j = i;j < s1.size();j++){
| ~~^~~~~~~~~~~
interval.cpp:28:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
28 | for(int j = i;j < s2.size();j++){
| ~~^~~~~~~~~~~
interval.cpp:36:10: error: 'clear' was not declared in this scope
36 | s,clear();
| ^~~~~