Eroare de compilare: main.cpp: In function 'void update_sum(int, long long int)': main.cpp:19:9: warning: statement has no effect [-Wunused-value] 19 | for(poz;poz;poz-=(poz*(-poz))) | ^~~ main.cpp: In function 'void query_sum(int)': main.cpp:25:9: warning: statement has no effect [-Wunused-value] 25 | for(poz;poz<=n;poz+=(poz*(-poz))) | ^~~ main.cpp:27:12: error: return-statement with a value, in function returning 'void' [-fpermissive] 27 | return sum; | ^~~ main.cpp: In function 'int main()': main.cpp:157:23: error: invalid operands of types 'long long int' and 'void' to binary 'operator*' 157 | val=(-1LL)*query_sum(poz+1); | ~~~~~~^~~~~~~~~~~~~~~~~ | | | | long long int void Non zero exit status: 1