Compilare: main.cpp: In function 'void make_euler()': main.cpp:41:16: warning: unused variable 'y' [-Wunused-variable] 41 | int ed, x, y; | ^ main.cpp: In function 'int main()': main.cpp:72:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 72 | for (int i=0; i<sol.size()-1; i++) fout<<sol[i]<<' '; | ~^~~~~~~~~~~~~