Compilare: user.cpp: In function ‘void aduna(int, int)’: user.cpp:13:12: warning: statement has no effect [-Wunused-value] for(poz; poz <= n; poz += poz & (poz - 1) ^ poz) { ^ user.cpp:13:35: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(poz; poz <= n; poz += poz & (poz - 1) ^ poz) { ^ user.cpp: In function ‘int suma(int)’: user.cpp:20:32: warning: suggest parentheses around arithmetic in operand of ‘^’ [-Wparentheses] for(i = poz; i > 0; i -= i & (i - 1) ^ i) ^