Compilare: user.cpp: In function ‘int main()’: user.cpp:25:31: warning: ‘mij’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(k==2) {while (a[mij]<x) {mij++;} while((a[mij]==x) && (a[mij-1]==x)) {mij--;} g<<mij<<'\n';} ^