Compilare: main.cpp: In function 'int calcAns(int, int, unsigned int)': main.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:90:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ans.size(); i++) ~~^~~~~~~~~~~~