Compilare: user.cpp: In function ‘int main()’: user.cpp:8:6: warning: unused variable ‘dco’ [-Wunused-variable] int dco = 1, sol = -1500000000, c1 = 1, c2, sum = 0, zm; ^ user.cpp:8:46: warning: unused variable ‘sum’ [-Wunused-variable] int dco = 1, sol = -1500000000, c1 = 1, c2, sum = 0, zm; ^ user.cpp:8:55: warning: unused variable ‘zm’ [-Wunused-variable] int dco = 1, sol = -1500000000, c1 = 1, c2, sum = 0, zm; ^ user.cpp:30:23: warning: ‘c2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << c1 << ' ' << c2 << ' ' << sol << '\n'; ^