Compilare: main.cpp: In function 'int binsearch(char, int)': main.cpp:14:28: warning: unused variable 'v' [-Wunused-variable] 14 | const vector<int>& v = m[c]; | ^ main.cpp:15:1: warning: no return statement in function returning non-void [-Wreturn-type] 15 | } | ^ main.cpp: In function 'std::string solve(std::string)': main.cpp:19:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 19 | for (int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:62:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 62 | for (int i = 0; i < s.size(); i++) { | ~~^~~~~~~~~~