Compilare: user.cpp: In function ‘int main()’: user.cpp:11:81: warning: unused variable ‘nr’ [-Wunused-variable] int a[100001],b[100001],n,k,i,x,y,j,kv1[100001],kv2[100001],l,m,xk,yk,cx,cy,nr,s=0; ^ user.cpp:78:21: warning: ‘cy’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(cx==1&&cy==2) ^ user.cpp:83:14: warning: ‘cx’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(cx==2&&cy==1) ^ user.cpp:72:23: warning: ‘yk’ may be used uninitialized in this function [-Wmaybe-uninitialized] else kv2[l]=yk; ^ user.cpp:80:20: warning: ‘xk’ may be used uninitialized in this function [-Wmaybe-uninitialized] a[xk]=y; ^