Compilare: main.cpp: In function 'int main()': main.cpp:130:68: warning: 'sol2' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << cnt << '\n' << maxnr << '\n' << sol1 << ' ' << sol2 << ' ' << maxim << '\n'; ^~~ main.cpp:130:53: warning: 'sol1' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << cnt << '\n' << maxnr << '\n' << sol1 << ' ' << sol2 << ' ' << maxim << '\n'; ^~~