Compilare: user.cpp: In function ‘int main()’: user.cpp:47:11: warning: ‘tf’ may be used uninitialized in this function [-Wmaybe-uninitialized] y[k]=j; ^ user.cpp:53:24: note: ‘tf’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^ user.cpp:46:11: warning: ‘ti’ may be used uninitialized in this function [-Wmaybe-uninitialized] x[k]=i; ^ user.cpp:53:21: note: ‘ti’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^ user.cpp:47:11: warning: ‘df’ may be used uninitialized in this function [-Wmaybe-uninitialized] y[k]=j; ^ user.cpp:53:18: note: ‘df’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^ user.cpp:46:11: warning: ‘di’ may be used uninitialized in this function [-Wmaybe-uninitialized] x[k]=i; ^ user.cpp:53:15: note: ‘di’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^ user.cpp:47:11: warning: ‘pf’ may be used uninitialized in this function [-Wmaybe-uninitialized] y[k]=j; ^ user.cpp:53:12: note: ‘pf’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^ user.cpp:46:11: warning: ‘pi’ may be used uninitialized in this function [-Wmaybe-uninitialized] x[k]=i; ^ user.cpp:53:9: note: ‘pi’ was declared here int pi,pf,di,df,ti,tf,i,j,q; ^