Compilare: main.cpp: In function 'int main()': main.cpp:21:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v.size(); ++i) { ~~^~~~~~~~~~ main.cpp:20:66: warning: variable 'dr2' set but not used [-Wunused-but-set-variable] int s = 0, smax = 0, mini = INT_MAX, st, dr, st_aux = 0, dr2, st2; ^~~ main.cpp:20:71: warning: variable 'st2' set but not used [-Wunused-but-set-variable] int s = 0, smax = 0, mini = INT_MAX, st, dr, st_aux = 0, dr2, st2; ^~~ main.cpp:37:59: warning: 'dr' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << mini << ' ' << st + 1 << ' ' << dr + 1 << '\n'; ^~~~ main.cpp:37:42: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << mini << ' ' << st + 1 << ' ' << dr + 1 << '\n'; ^~~