Compilare: main.cpp: In function 'void upd(long long int, int)': main.cpp:32:10: warning: statement has no effect [-Wunused-value] 32 | for (poz; poz <= n; poz += lsb(poz)) | ^~~ main.cpp: In function 'long long int qry(int)': main.cpp:38:10: warning: statement has no effect [-Wunused-value] 38 | for (poz; poz; poz -= lsb(poz)) | ^~~ main.cpp: In function 'int main()': main.cpp:57:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 57 | cin >> vc + 1; | ~~~^~~ main.cpp:74:13: warning: unused variable 'aa' [-Wunused-variable] 74 | int aa = (qry(b) - qry(a - 1) + mod) % mod; | ^~