Compilare: main.cpp: In function 'void solve()': main.cpp:68:13: warning: 'rest' may be used uninitialized in this function [-Wmaybe-uninitialized] if (rest == 0) ^~ main.cpp:71:75: warning: 'r' may be used uninitialized in this function [-Wmaybe-uninitialized] g << x + y + z << ' ' << x << ' ' << y << ' ' << z << ' ' << r << '\n'; ^~~~ main.cpp:71:27: warning: 'z' may be used uninitialized in this function [-Wmaybe-uninitialized] g << x + y + z << ' ' << x << ' ' << y << ' ' << z << ' ' << r << '\n'; ^~~ main.cpp:71:16: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized] g << x + y + z << ' ' << x << ' ' << y << ' ' << z << ' ' << r << '\n'; ~~^~~ main.cpp:71:16: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]