Compilare: user.cpp: In function ‘int main()’: user.cpp:30:47: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] if(!(i==l && j==c) &&(k ^ a[i][j] & ((1<<s)-1))==((1<<s)-1)) ^ user.cpp:47:103: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] if(xnou>=1 && xnou<=n && ynou>=1 && ynou<=m && !poz[xnou][ynou] && (k ^ a[xnou][ynou] & ((1<<s)-1))==((1<<s)-1)) ^ user.cpp:57:15: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(tarc[i][j] && poz[i][j]) ^