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- #include <fstream>
- #include <cmath>
- using namespace std;
- #define NR 11
- ifstream f("submultimi1.in");
- ofstream g("submultimi1.out");
- int x[NR],n,p,k;
- void afis(int k){
- for(int i=1 ; i<=k ; ++i)
- g<< x[i] << " ";
- g<< endl;
- }
- bool valid(int k){
- if(k == 1)
- return true;
- if(x[k] > x[k-1]&&abs(x[k]-x[k-1])>1)
- return true;
- return false;
- }
- void backtracking(int k){
- for(int i=1;i<=n;++i)
- {
- x[k]=i;
- if(valid(k))
- {
- afis(k);
- backtracking(k+1);
- }
- }
- }
- int main()
- {
- f>>n;
- backtracking(1);
- return 0;
- }
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