Compilare: user.cpp: In function ‘int main()’: user.cpp:29:40: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((i!=l||j!=c)&&((x+k)&s==s)) ^ user.cpp:41:25: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] if((x+k)&s==s) cod[i][j]==1; ^ user.cpp:41:41: warning: statement has no effect [-Wunused-value] if((x+k)&s==s) cod[i][j]==1; ^