Compilare: user.cpp: In function ‘int cmmdc(int, int)’: user.cpp:13:5: warning: ‘d’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(d==1) return 0; ^ user.cpp: In function ‘int main()’: user.cpp:13:5: warning: ‘d’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:8:9: note: ‘d’ was declared here int d,i,mx; ^