Compilare: user.cpp: In function ‘int main()’: user.cpp:9:38: warning: operation on ‘a’ may be undefined [-Wsequence-point] if((a+b)%2==0)fout<<(a+b+2)/2*++a*++b; ^ user.cpp:9:38: warning: operation on ‘b’ may be undefined [-Wsequence-point] user.cpp:10:39: warning: operation on ‘a’ may be undefined [-Wsequence-point] else if(a%2==1)fout<<(a+b+2)*++a/2*++b; ^ user.cpp:10:39: warning: operation on ‘b’ may be undefined [-Wsequence-point] user.cpp:11:29: warning: operation on ‘b’ may be undefined [-Wsequence-point] else fout<<(a+b+2)*++a*++b/2; ^ user.cpp:11:29: warning: operation on ‘a’ may be undefined [-Wsequence-point]