Compilare: main.cpp: In function 'int S(int)': main.cpp:6:54: warning: suggest parentheses around '-' inside '>>' [-Wparentheses] inline int S(int n) {int l = n - L(n) + 1; return (n - l >> 1) + std::min(-l + n + 1 >> 1, l);} ~~^~~ main.cpp:6:82: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] inline int S(int n) {int l = n - L(n) + 1; return (n - l >> 1) + std::min(-l + n + 1 >> 1, l);} ~~~~~~~^~~