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- #include<fstream>
- #include<cstring>
- #include<algorithm>
- using namespace std;
- ifstream cin("permrep.in");
- ofstream cout("permrep.out");
- char c[15],lit[15];
- int nr[15],w[15],x[15],n,N;
- void afis()
- {
- for(int i=1;i<=N;i++) cout<<lit[x[i]];
- cout<<'\n';
- }
- void bt(int k)
- {
- for(int i=1;i<=n;i++)
- {
- if(w[i]<nr[i])
- {
- ++w[i];
- x[k]=i;
- if(k==N) afis();
- else bt(k+1);
- --w[i];
- }
- }
- }
- int main()
- {
- cin>>(c+1);
- N=strlen(c+1);
- sort(c+1,c+N+1);
- for(int i=1;i<=N;i++)
- if(c[i]==c[i-1]) ++nr[n];
- else
- {
- nr[++n]=1;
- lit[n]=c[i];
- }
- bt(1);
- }
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