Compilare: main.cpp: In function 'int main()': main.cpp:38:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 38 | for (int j = 0; j < str[i].size() && str[i][j]=='0'; j++) { | ~~^~~~~~~~~~~~~~~ main.cpp:41:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int j = 0; j < str[i].size(); j++) { | ~~^~~~~~~~~~~~~~~ main.cpp:85:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 85 | for (int j = 0; j < one[i].size(); j++) { | ~~^~~~~~~~~~~~~~~