Compilare: main.cpp: In function 'int main()': main.cpp:59:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 59 | for(int i=0;i<afis.size()-1;i++) | ~^~~~~~~~~~~~~~ main.cpp:29:15: warning: unused variable 'z' [-Wunused-variable] 29 | int n, m, z = 0, a, b, nod, nod_nou, i; | ^