Compilare: main.cpp:11:10: warning: built-in function 'log' declared as non-function [-Wbuiltin-declaration-mismatch] 11 | int fiz, log, n, tip, x; | ^~~ main.cpp: In function 'int main()': main.cpp:41:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int i=0;i<f[x].size();i++) { | ~^~~~~~~~~~~~