运行 ID: 41820

Main.cc: In function ‘int main()’:
Main.cc:6:9: error: conflicting declaration ‘std::__cxx11::string str’
  string str;
         ^~~
Main.cc:5:7: note: previous declaration as ‘char str [1000]’
  char str[1000];
       ^~~
Main.cc:10:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i