Compilare: main.cpp: In function 'void printVector(std::vector<int>)': main.cpp:26:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < bag.size(); i++) { ~~^~~~~~~~~~~~ main.cpp: In function 'void findCombinations(int)': main.cpp:47:7: warning: statement is a reference, not call, to function 'exit' [-Waddress] exit; ^ main.cpp:47:7: warning: statement has no effect [-Wunused-value]