Compilare: user.cpp: In function ‘int CB1(int, int)’: user.cpp:25:9: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘int CB2(int, int)’: user.cpp:39:8: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘int CB3(int, int)’: user.cpp:53:8: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^ user.cpp: In function ‘int main()’: user.cpp:71:26: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<CB3(1,n)<<"\n"; ^ user.cpp:69:26: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<CB2(1,n)<<"\n"; ^ user.cpp:67:26: warning: ‘sol’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<CB1(1,n)<<"\n"; ^