#include #include #include #include using namespace std; string biao; short *ans; bool *use; void answer(int step) { if(step==biao.size()) { for(int i=0;i>biao; sort(biao.begin(),biao.end()); ans=new short[biao.size()]; use=new bool[biao.size()]; memset(use,1,biao.size()); answer(0); cout<