Compilare: user.cpp: In function ‘int megoldas(int, int, int)’: user.cpp:10:52: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] return 2*(1<<(k-1))*(1<<(k-1)) + megoldas(k-1, x - 1<<(k-1), y - 1<<(k-1)); ^ user.cpp:10:66: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] return 2*(1<<(k-1))*(1<<(k-1)) + megoldas(k-1, x - 1<<(k-1), y - 1<<(k-1)); ^ user.cpp:12:50: warning: suggest parentheses around ‘-’ inside ‘<<’ [-Wparentheses] return (1<<(k-1))*(1<<(k-1)) + megoldas(k-1, x - 1<<(k-1), y); ^ user.cpp:13:85: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] return 3*(1<<(k-1))*(1<<(k-1)) + megoldas(k-1, 2 *(1<<(k-1)) - y + 1, 1<<(k-1) - x + 1); ^