Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:15:34: error: ‘memset’ was not declared in this scope memset(distances, -1, 100005 * 4); ^ user.cpp:26:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for ( i = 0; i < graph[curr].size(); ++i) ^ user.cpp:13:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bfs.in", "r", stdin); ^ user.cpp:14:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bfs.out", "w", stdout); ^ user.cpp:16:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &m, &s); ^ user.cpp:18:67: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (; m > 0; --m) scanf("%d%d", &a, &b),graph.at(a).push_back(b); ^