Compilare: user.cpp:10:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘void output(int, int)’: user.cpp:69:10: warning: statement has no effect [-Wunused-value] for(pos;pos<k;pos++) cout<<'P'; ^ user.cpp: In function ‘int main()’: user.cpp:76:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rps.in","r",stdin); ^ user.cpp:77:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rps.out","w",stdout); ^ user.cpp: In function ‘void push_string(int, std::string, int)’: user.cpp:35:42: warning: ‘start’ may be used uninitialized in this function [-Wmaybe-uninitialized] push_string(trie[u].child[start],s,pos+1); ^