Compilare: main.cpp: In function 'void upd(int, int, int)': main.cpp:142:10: warning: statement has no effect [-Wunused-value] 142 | for (pos; pos <= n; pos += (pos & -pos)) { | ^~~ main.cpp:141:9: warning: unused variable 'cppos' [-Wunused-variable] 141 | int cppos = pos; | ^~~~~ main.cpp: In function 'long long int query(int)': main.cpp:151:10: warning: statement has no effect [-Wunused-value] 151 | for (pos; pos > 0; pos -= (pos & -pos)) { | ^~~ main.cpp:149:9: warning: unused variable 'cppos' [-Wunused-variable] 149 | int cppos = pos; | ^~~~~