Compilare: user.cpp: In function ‘int main()’: user.cpp:8:54: warning: variable ‘xri’ set but not used [-Wunused-but-set-variable] {int n,i,j,xr,yr,xj,yj,x1r,y1r,x1j,y1j,pr,ur,pj,uj,m,xri,xji,yri,yji,smin=9999,xf,yf; ^ user.cpp:8:58: warning: variable ‘xji’ set but not used [-Wunused-but-set-variable] {int n,i,j,xr,yr,xj,yj,x1r,y1r,x1j,y1j,pr,ur,pj,uj,m,xri,xji,yri,yji,smin=9999,xf,yf; ^ user.cpp:8:62: warning: variable ‘yri’ set but not used [-Wunused-but-set-variable] {int n,i,j,xr,yr,xj,yj,x1r,y1r,x1j,y1j,pr,ur,pj,uj,m,xri,xji,yri,yji,smin=9999,xf,yf; ^ user.cpp:8:66: warning: variable ‘yji’ set but not used [-Wunused-but-set-variable] {int n,i,j,xr,yr,xj,yj,x1r,y1r,x1j,y1j,pr,ur,pj,uj,m,xri,xji,yri,yji,smin=9999,xf,yf; ^ user.cpp:74:14: warning: ‘yf’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<a[xf][yf]<<" "<<xf<<" "<<yf; ^ user.cpp:74:14: warning: ‘xf’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:37:16: warning: ‘yj’ may be used uninitialized in this function [-Wmaybe-uninitialized] coadaj[0].c=yj; ^ user.cpp:36:16: warning: ‘xj’ may be used uninitialized in this function [-Wmaybe-uninitialized] coadaj[0].l=xj; ^ user.cpp:35:16: warning: ‘yr’ may be used uninitialized in this function [-Wmaybe-uninitialized] coadar[0].c=yr; ^ user.cpp:34:16: warning: ‘xr’ may be used uninitialized in this function [-Wmaybe-uninitialized] coadar[0].l=xr; ^