Eroare de compilare: user.cpp:9: error: expected initializer before ‘]’ token user.cpp: In function ‘void solve()’: user.cpp:36: error: ‘fact’ was not declared in this scope user.cpp:41: error: ‘fact’ was not declared in this scope user.cpp:52: error: ‘x’ was not declared in this scope user.cpp:52: error: ‘fact’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:67: error: ‘M’ was not declared in this scope