Compilare: main.cpp: In function 'void Dfs(int)': main.cpp:41:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(Pos[nod] == g[nod].size()) ~~~~~~~~~^~~~~~~~~~~~~~~~ main.cpp: In function 'void ReadTree()': main.cpp:14:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:16:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Special[i]); ^ main.cpp:20:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &u, &v); ^ main.cpp: In function 'int main()': main.cpp:124:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("freakadebunic.in", "r", stdin); ^ main.cpp:125:46: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("freakadebunic.out", "w", stdout); ^