Compilare: main.cpp: In member function 'void BigNumber::print()': main.cpp:24:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 24 | if(i < v.size() - 1) { | ~~^~~~~~~~~~~~~~ main.cpp: In member function 'BigNumber BigNumber::operator+(const BigNumber&)': main.cpp:48:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 48 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:49:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 49 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'BigNumber BigNumber::operator-(const BigNumber&)': main.cpp:64:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 64 | if(i < v.size()) s += v[i]; | ~~^~~~~~~~~~ main.cpp:65:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 65 | if(i < other.v.size()) s += other.v[i]; | ~~^~~~~~~~~~~~~~~~ main.cpp: In member function 'BigNumber BigNumber::multiply(long long int)': main.cpp:81:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 81 | for(int i = 0; i < v.size() or remainder > 0; i ++) { | ~~^~~~~~~~~~