Eroare de compilare: main.cpp: In function 'void update(int, int, int, int, int)': main.cpp:12:9: error: 'arb' was not declared in this scope 12 | arb[nod] += val; | ^~~ main.cpp:22:5: error: 'arb' was not declared in this scope 22 | arb[nod] = arb[nod*2] + arb[nod*2+1]; | ^~~ main.cpp: In function 'int query(int, int, int, int, int)': main.cpp:27:16: error: 'arb' was not declared in this scope 27 | return arb[nod]; | ^~~ Non zero exit status: 1