Compilare: user.cpp: In function ‘int main()’: user.cpp:29:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (i-l1>=j-c1) ^ user.cpp:46:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (i-l1<=j-c1) ^ user.cpp:63:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (i-l1<=c2-c1-(i-l1)+1) ^ user.cpp:79:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (i-l1>=c2-c1-(i-l1)+1) ^