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permut.c
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permut.c
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#include <stdio.h>
#define max 101
//Permutator V1
void permutator(int arr[], int inl, int maxlen);
void follower(int arr[], int inl, int hol_el, int maxlen);
main()
{
int perm[max];
int n;
scanf("%d", &n);
//int pmain[2][6]; // In general pmain[no of entries][no. of rearrangements assuming distinct numbers, i.e fac[n]]
int i;
for(i=0; i<=n-1; ++i)
{
scanf("%d", &perm[i]);
}
int k;
k= perm[1];
permutator(perm, n, max);
follower(perm, n, 0, max);
getch();
}
void permutator(int perm[], int inl, int maxlen)
{
int i;
for(i=0; i<=(maxlen-inl); ++i)
{
perm[i+inl] = perm[i];
}
int j;
for(j=0; j<=inl-1; ++j){
for(i=j; i<=inl+j-1; ++i)
{
printf("%d," ,perm[i]);
}
printf("\n");
}
}
void follower(int perm[], int inl, int hold, int maxlen)
{
int i;
for(i=0; i<=(maxlen-inl); ++i)
{
perm[i+inl] = perm[i];
}
int j;
for(j=0; j<=inl-1; ++j){
for(i=j; i<=inl+j-1; ++i)
{
if(i!=hold)
{
printf("%d," ,perm[i]);
}
}
printf("\n");
}
}