Compilare: main.cpp: In function 'void update(int, int)': main.cpp:26:9: warning: statement has no effect [-Wunused-value] 26 | for(i;i<=nr;i+=(i&(-i))) | ^ main.cpp: In function 'int query(int)': main.cpp:34:9: warning: statement has no effect [-Wunused-value] 34 | for(i;i>0;i-=(i&(-i))) | ^