Compilare: main.cpp: In member function 'bool bigInt::operator>=(bigInt)': main.cpp:108:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 108 | for(int i=0;i<data.size();i++){ | ~^~~~~~~~~~~~ main.cpp: In member function 'std::string bigInt::to_string()': main.cpp:137:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 137 | for(int i=0;i<data.size();i++){ | ~^~~~~~~~~~~~ main.cpp:141:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 141 | if(i+1<data.size()){ | ~~~^~~~~~~~~~~~ main.cpp: In member function 'bigInt bigInt::operator*(int)': main.cpp:153:22: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 153 | for(int i=1;i<p.size();i++){ | ~^~~~~~~~~ main.cpp:154:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 154 | p[i]=(i<data.size()?data[i]:0ll)*x+p[i-1]/base; | ~^~~~~~~~~~~~ main.cpp: In function 'std::ostream& operator<<(std::ostream&, bigInt)': main.cpp:171:19: warning: comparison of integer expressions of different signedness: 'int' and 'size_t' {aka 'long unsigned int'} [-Wsign-compare] 171 | if(i+1<x.size()){ | ~~~^~~~~~~~~