Compilare: user.cpp: In function ‘int main()’: user.cpp:6:21: warning: variable ‘x2’ set but not used [-Wunused-but-set-variable] int v,m,n,x,y,s,x2,y2; ^ user.cpp:22:40: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if((t[i][j]+t[i+1][j])<=s and y2!=j) ^ user.cpp:31:31: warning: ‘y’ may be used uninitialized in this function [-Wmaybe-uninitialized] v=v+t[x][y] + t[x+1][y]; ^ user.cpp:31:26: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] v=v+t[x][y] + t[x+1][y]; ^