Compilare: main.cpp: In function 'std::vector<long long int> multiply(const std::vector<long long int>&, const std::vector<long long int>&)': main.cpp:45:13: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long 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 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 | } | ^