Compilare: main.cpp: In function 'void update(std::string, int)': main.cpp:17:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for(i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:21:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 21 | for(j=0;j<adj[curr].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int querry(std::string)': main.cpp:46:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | for(i=0;i<s.size();i++) | ~^~~~~~~~~ main.cpp:50:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 50 | for(j=0;j<adj[curr].size();j++) | ~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:72:9: warning: unused variable 'n' [-Wunused-variable] 72 | int n,i,j,k,tip; | ^ main.cpp:72:11: warning: unused variable 'i' [-Wunused-variable] 72 | int n,i,j,k,tip; | ^ main.cpp:72:13: warning: unused variable 'j' [-Wunused-variable] 72 | int n,i,j,k,tip; | ^ main.cpp:72:15: warning: unused variable 'k' [-Wunused-variable] 72 | int n,i,j,k,tip; | ^ main.cpp: In function 'int querry(std::string)': main.cpp:69:1: warning: control reaches end of non-void function [-Wreturn-type] 69 | } | ^