Eroare de compilare: user.cpp:41:1: error: ‘ll’ does not name a type ll solve(string s){ ^ user.cpp: In function ‘int main()’: user.cpp:71:5: error: ‘ll’ was not declared in this scope ll sum = 0; ^ user.cpp:71:8: error: expected ‘;’ before ‘sum’ ll sum = 0; ^ user.cpp:73:9: error: ‘sum’ was not declared in this scope sum += solve(s); ^ user.cpp:73:23: error: ‘solve’ was not declared in this scope sum += solve(s); ^ user.cpp:75:11: error: ‘sum’ was not declared in this scope fout<<sum; ^