Compilare: user.cpp: In function ‘int main()’: user.cpp:74:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(dr[i]!=-1 && st[i]!=-1) ^ user.cpp:14:23: warning: unused variable ‘max’ [-Wunused-variable] int p,lc,lmax,n,i,max,min1,min2,imax,sum=0,vf; ^ user.cpp:14:27: warning: unused variable ‘min1’ [-Wunused-variable] int p,lc,lmax,n,i,max,min1,min2,imax,sum=0,vf; ^ user.cpp:14:32: warning: unused variable ‘min2’ [-Wunused-variable] int p,lc,lmax,n,i,max,min1,min2,imax,sum=0,vf; ^ user.cpp:14:37: warning: unused variable ‘imax’ [-Wunused-variable] int p,lc,lmax,n,i,max,min1,min2,imax,sum=0,vf; ^