#include <iostream> #include <vector> #include <string> using namespace std; int main()  { int T; cin>>T; for(int t = 0; t < T; ++t) { string str; cin>>str; int cnt[128] = {0}; for(int i = 0; i < str.length(); ++i) ++cnt[str[i]]; int num[10] = {0}; num[0] = cnt['Z']; num[2] = cnt['W']; num[4] = cnt['U']; num[6] = cnt['X']; num[8] = cnt['G']; num[1] = cnt['O'] - num[0] - num[2] - num[4]; num[3] = cnt['H'] - num[8]; num[5] = cnt['F'] - num[4]; num[7] = cnt['V'] - num[5]; num[9] = cnt['I'] - num[5] - num[6] - num[8]; for(int i = 0, j = 8; i < 10; ++i, j = (j + 1) % 10) for(int k = 0; k < num[j]; ++k) cout<<(j + 2) % 10; cout<<endl; }     return 0; } 思路差不多