Compilare: user.cpp: In function ‘int main()’: user.cpp:42:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((k&a[ii-1][jj]==0)&&(d[ii-1][jj]==0)&&ii>1) ^ user.cpp:50:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((k&a[ii+1][jj]==0)&&(d[ii+1][jj]==0)&&ii<n) ^ user.cpp:58:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((k&a[ii][jj+1]==0)&&(d[ii][jj+1]==0)&&jj<m) ^ user.cpp:66:20: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((k&a[ii][jj-1]==0)&&(d[ii][jj-1]==0)&&jj>1) ^ user.cpp:120:15: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if(k&a[i][j]==0) con++; ^