#include <iostream> #include <string> #include <set> #include <algorithm> using namespace std; int main() { int n = 0; set<string> sset; cin >> n; string *s = new string[n]; for (int i = 0; i < n; ++i) { cin >> s[i]; sort(s[i].begin(), s[i].end()); sset.insert(s[i]); } cout << sset.size() << endl; return 0; } 这样可以不？