Run id: 68892

Main.cc: In function 'int main()':
Main.cc:7:16: error: cannot convert 'std::__cxx11::string {aka std::__cxx11::basic_string}' to 'const char*' for argument '1' to 'size_t strlen(const char*)'
  int n=strlen(s),a=0;
                ^
Main.cc:10:18: error: 'a' was not declared in this scope
                  a++;
                  ^
Main.cc:12:22: error: 'a' was not declared in this scope
                   if(a>0){
                      ^