Compilare: main.cpp: In function 'void task2()': main.cpp:33:43: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 33 | for (int k = j + 1; k < cifre.size(); k++) | ~~^~~~~~~~~~~~~~ main.cpp:41:22: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 41 | if (cifre.size() < cnt_cifre) { | ~~~~~~~~~~~~~^~~~~~~~~~~