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:45:27: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 45 | for (int i = 1; i <= cnt_cifre; i++) { | ~~^~~~~~~~~~~~ main.cpp:57:27: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare] 57 | for (int i = 1; i <= cnt_cifre; i++) { | ~~^~~~~~~~~~~~