Compilare: main.cpp: In member function 'huge huge::operator+(const huge&) const': main.cpp:157:27: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 157 | for (i = 0; i < std::min(digits.size(), b.digits.size()); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:163:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 163 | for (; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:169:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 169 | for (; i < b.digits.size(); ++i) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In member function 'huge huge::operator-(const huge&) const': main.cpp:198:27: warning: comparison of integer expressions of different signedness: 'int' and 'const long unsigned int' [-Wsign-compare] 198 | for (i = 0; i < std::min(digits.size(), b.digits.size()); ++i) | ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:211:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 211 | for (; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp: In member function 'huge huge::operator*(const huge&) const': main.cpp:241:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 241 | for (i = 0; i < digits.size(); ++i) | ~~^~~~~~~~~~~~~~~ main.cpp:244:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 244 | for (j = 0; j < b.digits.size(); ++j) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'bool operator<(const huge&, const huge&)': main.cpp:108:5: warning: control reaches end of non-void function [-Wreturn-type] 108 | } | ^ main.cpp: In member function 'huge huge::operator-(const huge&) const': main.cpp:228:5: warning: control reaches end of non-void function [-Wreturn-type] 228 | } | ^ main.cpp: In member function 'huge huge::operator+(const huge&) const': main.cpp:179:5: warning: control reaches end of non-void function [-Wreturn-type] 179 | } | ^