Compilare: main.cpp: In function 'int divide(int, int, int)': main.cpp:24:22: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return (1 << 2 * n - 2) + divide(n - 1, x, y - (1 << n - 1)); ~~~~~~^~~ main.cpp:24:58: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return (1 << 2 * n - 2) + divide(n - 1, x, y - (1 << n - 1)); ~~^~~ main.cpp:28:26: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return 2 * (1 << 2 * n - 2) + divide(n - 1, x - (1 << n - 1), y); ~~~~~~^~~ main.cpp:28:59: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return 2 * (1 << 2 * n - 2) + divide(n - 1, x - (1 << n - 1), y); ~~^~~ main.cpp:31:25: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return 3 * (1 << 2 * n - 2) + divide(n - 1, x - (1 << n - 1), y - (1 << n - 1)); ~~~~~~^~~ main.cpp:31:58: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return 3 * (1 << 2 * n - 2) + divide(n - 1, x - (1 << n - 1), y - (1 << n - 1)); ~~^~~ main.cpp:31:76: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] return 3 * (1 << 2 * n - 2) + divide(n - 1, x - (1 << n - 1), y - (1 << n - 1)); ~~^~~