287 lines
2.8 KiB
C
287 lines
2.8 KiB
C
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/*
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* C Program to find the possible subsets of the String
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*/
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#include <stdio.h>
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char string[50], n;
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void subset(int, int, int);
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int main()
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{
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int i, len;
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printf("Enter the len of main set : ");
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scanf("%d", &len);
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printf("Enter the elements of main set : ");
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scanf("%s", string);
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n = len;
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printf("The subsets are :\n");
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for (i = 1; i <= n; i++)
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subset(0, 0, i);
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}
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/*Function to find the number of subsets in the given string*/
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void subset(int start, int index, int num_sub)
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{
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int i, j;
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if (index - start + 1 == num_sub)
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{
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if (num_sub == 1)
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{
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for (i = 0; i < n; i++)
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printf("%c\n", string[i]);
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}
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else
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{
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for (j = index; j < n; j++)
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{
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for (i = start; i < index; i++)
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printf("%c", string[i]);
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printf("%c\n", string[j]);
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}
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if (start != n - num_sub)
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subset(start + 1, start + 1, num_sub);
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}
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}
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else
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{
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subset(start, index + 1, num_sub);
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}
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}
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/*
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*OUTPUT:
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Enter the len of main set : 11
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Enter the elements of main set : programming
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The subsets are :
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p
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r
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o
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g
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r
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a
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m
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m
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i
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n
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g
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pr
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po
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pg
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pr
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pa
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pm
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pm
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pi
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pn
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pg
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ro
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rg
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rr
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ra
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rm
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rm
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ri
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rn
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rg
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og
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or
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oa
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om
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om
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oi
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on
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og
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gr
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ga
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gm
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gm
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gi
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gn
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gg
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ra
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rm
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rm
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ri
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rn
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rg
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am
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am
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ai
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an
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ag
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mm
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mi
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mn
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mg
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mi
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mn
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mg
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in
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ig
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ng
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pro
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prg
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prr
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pra
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prm
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prm
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pri
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prn
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prg
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rog
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ror
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roa
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rom
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rom
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roi
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ron
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rog
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ogr
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oga
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ogm
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ogm
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ogi
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ogn
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ogg
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gra
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grm
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grm
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gri
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grn
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grg
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ram
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ram
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rai
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ran
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rag
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amm
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ami
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amn
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amg
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mmi
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mmn
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mmg
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min
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mig
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ing
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prog
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pror
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proa
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prom
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prom
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proi
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pron
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prog
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rogr
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roga
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rogm
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rogm
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rogi
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rogn
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rogg
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ogra
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ogrm
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ogrm
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ogri
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ogrn
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ogrg
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gram
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gram
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grai
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gran
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grag
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ramm
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rami
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ramn
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ramg
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ammi
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ammn
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ammg
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mmin
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mmig
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ming
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progr
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proga
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progm
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progm
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progi
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progn
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progg
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rogra
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rogrm
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rogrm
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rogri
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rogrn
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rogrg
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ogram
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ogram
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ograi
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ogran
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ograg
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gramm
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grami
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gramn
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gramg
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rammi
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rammn
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rammg
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ammin
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ammig
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mming
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progra
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progrm
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progrm
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progri
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progrn
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progrg
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rogram
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rogram
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rograi
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rogran
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rograg
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ogramm
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ogrami
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ogramn
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ogramg
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grammi
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grammn
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grammg
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rammin
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rammig
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amming
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program
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program
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prograi
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progran
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prograg
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rogramm
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rogrami
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rogramn
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rogramg
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ogrammi
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ogrammn
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ogrammg
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grammin
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grammig
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ramming
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programm
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programi
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programn
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programg
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rogrammi
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rogrammn
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rogrammg
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ogrammin
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ogrammig
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gramming
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programmi
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programmn
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programmg
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rogrammin
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rogrammig
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ogramming
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programmin
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programmig
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rogramming
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programming
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*/
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