Compilare: main.cpp: In function 'std::string zemoveLeadingZeroes(std::string)': main.cpp:46:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 46 | while(s[i]=='0' && i<s.size()) i++; | ~^~~~~~~~~ main.cpp:47:9: warning: statement has no effect [-Wunused-value] 47 | for(i; i<s.size(); i++) aux.push_back(s[i]); | ^ main.cpp:47:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 47 | for(i; i<s.size(); i++) aux.push_back(s[i]); | ~^~~~~~~~~ main.cpp: In function 'std::string division3(std::string)': main.cpp:65:26: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 65 | while (number.size() > idx) { | ~~~~~~~~~~~~~~^~~~~ main.cpp: In function 'void solve()': main.cpp:150:13: warning: unused variable 'sum' [-Wunused-variable] 150 | ll nr=1,sum=0; | ^~~