Compilare: main.cpp: In function 'bint operator+(bint, bint)': main.cpp:20:19: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 20 | for(int i=0; i<max(a.cif.size(),b.cif.size()); i++) | ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:22:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | if(i<a.cif.size()) | ~^~~~~~~~~~~~~ main.cpp:24:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(i<b.cif.size()) | ~^~~~~~~~~~~~~