Eroare de compilare: user.cpp: In function ‘void dfs(const int&)’: user.cpp:53:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < L[node].size(); i ++) ^ user.cpp: In function ‘int main()’: user.cpp:115:46: error: ‘sort’ was not declared in this scope sort(H[i].begin(), H[i].end()); ^ user.cpp:116:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < H[i].size(); j ++) ^ user.cpp:125:47: error: ‘memset’ was not declared in this scope memset(compConex, 0, sizeof(compConex)); ^ user.cpp:65:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("piese3.in", "r", stdin); ^