Compilare: main.cpp: In member function 'huge huge::operator+(const huge&) const': main.cpp:152:27: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 152 | for (i = 0; i < std::min(digits.size(), b.digits.size()); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:158:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 158 | for (; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:164:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 164 | for (; i < b.digits.size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'huge huge::operator-(const huge&) const': main.cpp:193:27: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 193 | for (i = 0; i < std::min(digits.size(), b.digits.size()); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:206:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 206 | for (; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'huge huge::operator*(const huge&) const': main.cpp:236:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 236 | for (i = 0; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:239:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 239 | for (j = 0; j < b.digits.size(); ++j) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'huge huge::operator+(const huge&) const': main.cpp:174:5: warning: control reaches end of non-void function [-Wreturn-type] 174 | } | ^ main.cpp: In member function 'huge huge::operator-(const huge&) const': main.cpp:223:5: warning: control reaches end of non-void function [-Wreturn-type] 223 | } | ^ main.cpp: In function 'bool operator<(const huge&, const huge&)': main.cpp:103:5: warning: control reaches end of non-void function [-Wreturn-type] 103 | } | ^