Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:55:5: error: ‘dp’ was not declared in this scope dp[1] = (label[1] == friends[1]); ^ user.cpp:78:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < ans.size(); ++ i) ^ user.cpp:79:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] cout << ans[i] << " \n"[i + 1 == ans.size()]; ^