Compilare: main.cpp: In function 'std::vector<int> multiply(const std::vector<int>&, const std::vector<int>&)': main.cpp:45:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 45 | while (n<a.size()+b.size()) | ~^~~~~~~~~~~~~~~~~~ main.cpp: In constructor 'nrmare::nrmare(int)': main.cpp:72:13: warning: unused variable 'i' [-Wunused-variable] 72 | int i; | ^ main.cpp: In function 'nrmare inmultire(nrmare, nrmare)': main.cpp:273:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 273 | for (i=0;i<v3.size();i++) | ~^~~~~~~~~~ main.cpp: In function 'nrmare adunserios(nrmare, nrmare)': main.cpp:218:1: warning: control reaches end of non-void function [-Wreturn-type] 218 | } | ^ main.cpp: In function 'nrmare scadserios(nrmare, nrmare)': main.cpp:241:1: warning: control reaches end of non-void function [-Wreturn-type] 241 | } | ^