Compilare: user.cpp: In function ‘int main()’: user.cpp:8:19: warning: unused variable ‘k’ [-Wunused-variable] long long i,j,k=0,k1=0,n,m; ^ user.cpp:8:23: warning: unused variable ‘k1’ [-Wunused-variable] long long i,j,k=0,k1=0,n,m; ^ user.cpp:13:29: warning: unused variable ‘xIndici’ [-Wunused-variable] long long x[n+1],y[m+1],xIndici[n+1],yIndici[m+1]; ^ user.cpp:13:42: warning: unused variable ‘yIndici’ [-Wunused-variable] long long x[n+1],y[m+1],xIndici[n+1],yIndici[m+1]; ^