Compilare: main.cpp: In function 'void update(int, int)': main.cpp:11:10: warning: statement has no effect [-Wunused-value] 11 | for (i; i < n + 1; i+=(i^(i-1))&i) { | ^ main.cpp: In function 'int sum(int)': main.cpp:17:10: warning: statement has no effect [-Wunused-value] 17 | for (i; i; i-=(i^(i-1))&i) { | ^ main.cpp: In function 'int main()': main.cpp:30:10: warning: statement has no effect [-Wunused-value] 30 | for (m; m > 0; m--) | ^