Compilare: main.cpp: In function 'bool IsSubString(const string&, const string&)': main.cpp:12:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | while( i < a.size() && j < b.size() ){ | ~~^~~~~~~~~~ main.cpp:12:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 12 | while( i < a.size() && j < b.size() ){ | ~~^~~~~~~~~~ main.cpp:17:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | if( i == a.size() ) | ~~^~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:23:21: warning: unused variable 'cnt' [-Wunused-variable] 23 | int cerinta, n, cnt = 0; | ^~~