Compilare: user.cpp: In function ‘int main()’: user.cpp:19:32: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return (v[i].x-v[j].x)*(v[i].x-v[j].x) + (v[i].y-v[j].y)*(v[i].y-v[j].y); ^ user.cpp:23:14: note: ‘poz’ was declared here int n,i,ans,poz,m,k,j,dmin; ^