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- #include <bits/stdc++.h>
- using namespace std;
- ifstream fin("2gen.in");
- ofstream fout("2gen.out");
- int X[11],n, m, gasit=0;
- void afis()
- {
- for(int i=1;i<=m;i++)
- fout<<X[i]<<" ";
- fout<<'\n';
- }
- int cond(int k)
- {
- if(k>1)
- {
- int cnt=0;
- for(int i=1; i<k; i++)
- if(X[i]==X[k])
- cnt++;
- if(cnt>1)
- return 0;
- else
- return 1;
- }
- return 1;
- }
- void back(int k)
- {
- for(int i=1; i<=n;i++)
- {
- X[k]=i;
- if(cond(k))
- if(k==m) afis();
- else back(k+1);
- }
- }
- int main()
- {
- fin>>n>>m;
- back(1);
- return 0;
- }
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