Compilare: main.cpp: In function 'void upd(long long int, int)': main.cpp:38:10: warning: statement has no effect [-Wunused-value] 38 | for (poz; poz <= n; poz += lsb(poz)) | ^~~ main.cpp: In function 'long long int qry(int)': main.cpp:44:10: warning: statement has no effect [-Wunused-value] 44 | for (poz; poz; poz -= lsb(poz)) | ^~~ main.cpp: In function 'int main()': main.cpp:65:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 65 | cin >> vc + 1; | ~~~^~~