Compilare: main.cpp:5:8: warning: built-in function 'exp' declared as non-function [-Wbuiltin-declaration-mismatch] 5 | string exp;int p; | ^~~ main.cpp: In function 'int main()': main.cpp:93:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(int j=0;j<s1.size();j++){ | ~^~~~~~~~~~ main.cpp:101:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 101 | for(int j=0;j<s2.size();j++){ | ~^~~~~~~~~~