Compilare: main.cpp: In function 'int paranteza()': main.cpp:48:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | for(int k=0;k<v.size();k++, ri++) | ~^~~~~~~~~ main.cpp:71:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 71 | for(int k=0;k<v.size();k++, ri++) r[ri]=v[k]; | ~^~~~~~~~~ main.cpp:76:1: warning: control reaches end of non-void function [-Wreturn-type] 76 | } | ^