Compilare: main.cpp: In function 'void radix(int*, int)': main.cpp:22:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 22 | for (int k = 0; k < buckets[j].size(); ++k) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:37:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, std::pair<int, int> > >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for (int m = 0; m < buckets[l].size(); ++m) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp:28:9: warning: unused variable 'y' [-Wunused-variable] 28 | int y = 100; | ^