Cod sursa(job #378461)
Utilizator | Borsos Zalan borsoszalan | Data | 28 decembrie 2009 18:04:57 |
---|---|---|---|
Problema | Submultimi | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.49 kb |
#include<stdio.h>
int n, a[20];
void kiir(int x)
{
int i;
for(i=1;i<=x;i++)
printf("%d ", a[i]);
printf("\n");
}
void back(int x)
{
int i;
if(x==1)
for(i=1;i<=n;i++)
{
a[1]=i;
kiir(x);
back(2);
}
else if(x<=n)
for(i=a[x-1]+1;i<=n;i++)
{
a[x]=i;
kiir(x);
back(x+1);
}
}
int main()
{
freopen("submultimi.in", "r", stdin);
freopen("submultimi.out", "w", stdout);
scanf("%d", &n);
back(1);
return 0;
}