Compilare: main.cpp: In function 'int peuler(int, int, int)': main.cpp:26:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 26 | for(int f = 0 ; f < fii[nod].size() ; f ++) | ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:119:27: warning: unused variable 'mn' [-Wunused-variable] 119 | int st, dr, a, b, mn = INT_MAX ; | ^~