Pagini recente » Cod sursa (job #314199) | Cod sursa (job #345132) | Cod sursa (job #38096) | Cod sursa (job #1983022) | Cod sursa (job #2533273)
#include <bits/stdc++.h>
using namespace std;
ifstream ci("permutari.in");
ofstream cou("permutari.out");
int n,sol[20],k,fr[20],p;
void afis()
{
for(int i=1; i<=n; i++)
{
cou<<sol[i]<< " ";
}
cou<<"\n";
}
void Back(int k)
{
if(k==n+1)
{
afis();
}
else
{
for(int i=1; i<=p; i++)
{
while(fr[i]!=0 )
{
i++;
}
if(i>p)
{
return;
}
sol[k]=i;
if(sol[k]<sol[k-1]&&k>1 )
{
while(i<sol[k-1]||fr[i]!=0 )
{
i++;
}
}
if(i>p)
{
return;
}
sol[k]=i;
fr[i]=1;
Back(k+1);
fr[i]=0;
}
}
}
int main()
{
ci>>p>>n;
Back(1);
return 0;
}