Compilare: main.cpp: In function 'int main()': main.cpp:93:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<Punct>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(i=0;i<st.size();i++) | ~^~~~~~~~~~ main.cpp:54:17: warning: unused variable 'j' [-Wunused-variable] 54 | long long i,j,n,poz; | ^ main.cpp: In function 'int cadran(Punct)': main.cpp:30:1: warning: control reaches end of non-void function [-Wreturn-type] 30 | } | ^ main.cpp: In function 'bool cmp(Punct, Punct)': main.cpp:48:1: warning: control reaches end of non-void function [-Wreturn-type] 48 | } | ^ main.cpp: In function 'int main()': main.cpp:54:21: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 54 | long long i,j,n,poz; | ^~~