Cod sursa(job #152865)
Utilizator | parcalabescu maria daniela maria_p | Data | 9 martie 2008 21:11:13 |
---|---|---|---|
Problema | Generare de permutari | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.41 kb |
#include<cstdio>
long n,i,j,st[20],pus[20];
void back(long k){
long i;
if(k>n){
for(i=1;i<=n;i++)
printf("%ld ",st[i]);
printf("\n");
}
else
for(i=1;i<=n;i++)
if(pus[i]==0){
st[k]=i;
pus[i]=1;
back(k+1);
pus[i]=0;
}
}
int main(){
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%ld",&n);
back(1);
fclose(stdin);
fclose(stdout);
return 0;
}