Cod sursa(job #164019)
Utilizator | cojocaru aurelian kojo | Data | 23 martie 2008 14:01:33 |
---|---|---|---|
Problema | Generare de permutari | Scor | 20 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.38 kb |
#include<fstream.h>
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,p[9];
void afis()
{for(int i=1;i<=n;i++)
g<<p[i]<<' ';
g<<'\n';
}
void perm(int k)
{if(k==n+1)
afis();
else
{
p[k]=k;
for(int i=1;i<=k;i++)
{int x=p[i];p[i]=p[k];p[k]=x;
perm(k+1);
x=p[i];p[i]=p[k];p[k]=x;
}
}
}
int main()
{
f>>n;perm(1);
return 0;
}