Compilare: main.cpp: In function 'void radix(int)': main.cpp:17:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 17 | for (int k = 0; k < buckets[j].size(); ++k) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:29:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 29 | for (int k = 0; k < buckets[j].size(); ++k) { | ~~^~~~~~~~~~~~~~~~~~~