Eroare de compilare: user.cpp:7:13: error: expected initializer before ‘n’ long long a n, k, s; ^ user.cpp: In function ‘int main()’: user.cpp:15:12: error: ‘n’ was not declared in this scope cin >> n >> k; ^ user.cpp:15:17: error: ‘k’ was not declared in this scope cin >> n >> k; ^ user.cpp:18:16: error: ‘a’ was not declared in this scope cin >> a; ^ user.cpp:23:5: error: ‘s’ was not declared in this scope s += v.front().first; ^ user.cpp:27:16: error: ‘a’ was not declared in this scope cin >> a; ^