Borderou de evaluare (job #702320)

Compilare: main.cpp: In function 'void radix_sort(int)': main.cpp:14:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 14 | for (int i = 0; i < lines.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:15:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 15 | int idx = col < lines[i].size() ? lines[i][col] : 0; | ~~~~^~~~~~~~~~~~~~~~~ main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 21 | for (int i = 0; i < lines.size(); i++) { | ~~^~~~~~~~~~~~~~ main.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'unsigned int'} [-Wsign-compare] 22 | int idx = col < lines[i].size() ? lines[i][col] : 0; | ~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:47:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::__cxx11::basic_string<char> >::size_type' {aka 'unsigned int'} [-Wsign-compare] 47 | for (int i = 0; i < lines.size(); i++) { | ~~^~~~~~~~~~~~~~