Compilare: main.cpp: In function 'void update(long long int*, long long int, long long int)': main.cpp:30:9: warning: statement has no effect [-Wunused-value] 30 | for(x;x<=n;x+=(x&(-x))) | ^ main.cpp: In function 'long long int query(long long int*, long long int)': main.cpp:36:9: warning: statement has no effect [-Wunused-value] 36 | for(x;x>0;x-=(x&(-x))) | ^ main.cpp: In function 'int main()': main.cpp:101:27: warning: unused variable 'valmed' [-Wunused-variable] 101 | long long valmed=(query(aib2,poz1)-query(aib2,poz2))*(k/2); | ^~~~~~ main.cpp:70:15: warning: unused variable 'pg' [-Wunused-variable] 70 | long long pg=k/2+(k%2!=0); | ^~