Eroare de compilare: main.cpp:44:20: error: 'int random [250001]' redeclared as different kind of entity 44 | int random[1 + VMAX]; | ^ In file included from /usr/include/c++/10/bits/std_abs.h:38, from /usr/include/c++/10/cmath:47, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41, from main.cpp:1: /usr/include/stdlib.h:401:17: note: previous declaration 'long int random()' 401 | extern long int random (void) __THROW; | ^~~~~~ main.cpp: In function 'int main()': main.cpp:68:18: warning: pointer to a function used in arithmetic [-Wpointer-arith] 68 | random[node] = rand (); | ^ main.cpp:68:20: error: assignment of read-only location '*(random + ((sizetype)node))' 68 | random[node] = rand (); | ~~~~~~~~~~~~~^~~~~~~~~ main.cpp:77:39: warning: pointer to a function used in arithmetic [-Wpointer-arith] 77 | trick.update (pos[u], random[u]); | ^ main.cpp:77:39: error: invalid conversion from 'long int (*)() throw ()' {aka 'long int (*)()'} to 'int' [-fpermissive] 77 | trick.update (pos[u], random[u]); | ~~~~~~~~^ | | | long int (*)() throw () {aka long int (*)()} main.cpp:32:31: note: initializing argument 2 of 'void FenwickTree::update(int, int)' 32 | void update (int pos, int value) { | ~~~~^~~~~ Non zero exit status: 1