Compilare: user.cpp: In function ‘void recur(int, int, int, int)’: user.cpp:59:25: warning: ‘p1’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=a[x][p1]+a[x+1][p1]; ^ user.cpp:61:14: warning: ‘p2’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=a[y][p2]+a[y-1][p2]; ^ user.cpp:37:23: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=a[x][p]+a[x+1][p]; ^ user.cpp:21:22: warning: ‘p’ may be used uninitialized in this function [-Wmaybe-uninitialized] s+=a[x][p]+a[x+1][p]; ^