Compilare: user.cpp: In function ‘int main()’: user.cpp:7:41: warning: unused variable ‘pc’ [-Wunused-variable] int n,i,a,smax=0,s=0,p1,p2,mn,pmn=1,pc; ^ user.cpp:21:36: warning: ‘p2’ may be used uninitialized in this function [-Wmaybe-uninitialized] else o<<smax<<" "<<p1<<" "<<p2; ^ user.cpp:21:25: warning: ‘p1’ may be used uninitialized in this function [-Wmaybe-uninitialized] else o<<smax<<" "<<p1<<" "<<p2; ^