Compilare: main.cpp: In function 'void update(int, int)': main.cpp:55:9: warning: statement has no effect [-Wunused-value] 55 | for(x;x<=nrp;x+=(x&(-x))) | ^ main.cpp: In function 'int query(int)': main.cpp:63:9: warning: statement has no effect [-Wunused-value] 63 | for(x;x!=0;x-=(x&(-x))) | ^