Compilare: user.cpp: In function ‘bool vertwall(int, int)’: user.cpp:36:11: warning: ‘jos’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (jos%2==1&&sus%2==1) return 1; ^ user.cpp:36:21: warning: ‘sus’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (jos%2==1&&sus%2==1) return 1; ^ user.cpp: In function ‘int main()’: user.cpp:89:21: warning: ‘yc’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (a[xc][yc]!=0) { ^ user.cpp:89:21: warning: ‘xc’ may be used uninitialized in this function [-Wmaybe-uninitialized]