Compilare: main.cpp: In function 'int paranteza()': main.cpp:69:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 69 | for(int i = 1; i<v.size(); i++) | ~^~~~~~~~~ main.cpp:76:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 76 | for(int i = 0; i<v.size(); i++) | ~^~~~~~~~~ main.cpp: In function 'int main()': main.cpp:134:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 134 | for(int i = 0; i<s.size(); i++) | ~^~~~~~~~~ main.cpp: In function 'int paranteza()': main.cpp:114:1: warning: control reaches end of non-void function [-Wreturn-type] 114 | } | ^