Compilare: main.cpp: In function 'void update(int, int, int)': main.cpp:52:10: warning: statement has no effect [-Wunused-value] 52 | for (pos; pos <= n; pos += (pos & -pos)) | ^~~ main.cpp: In function 'int query(int)': main.cpp:58:10: warning: statement has no effect [-Wunused-value] 58 | for (pos; pos > 0; pos -= (pos & -pos)) | ^~~