This C Program finds possible subsets of the String.
Here is source code of the C Program to find the possible subsets of the String. The C program is successfully compiled and run on a Linux system. The program output is also shown below.
/** C Program to find the possible subsets of the String*/#include <stdio.h>char string[50], n;
void subset(int, int, int);
int main()
{int i, len;
printf("Enter the len of main set : ");
scanf("%d", &len);
printf("Enter the elements of main set : ");
scanf("%s", string);
n = len;
printf("The subsets are :\n");
for (i = 1;i <= n;i++)
subset(0, 0, i);
}/*Function to find the number of subsets in the given string*/void subset(int start, int index, int num_sub)
{int i, j;
if (index - start + 1 == num_sub)
{if (num_sub == 1)
{for (i = 0;i < n;i++)
printf("%c\n", string[i]);
}else{for (j = index;j < n;j++)
{for (i = start;i < index;i++)
printf("%c", string[i]);
printf("%c\n", string[j]);
}if (start != n - num_sub)
subset(start + 1, start + 1, num_sub);
}}else{subset(start, index + 1, num_sub);
}}
$ cc string19.c $ a.out Enter the len of main set : 11 Enter the elements of main set : programming The subsets are : p r o g r a m m i n g pr po pg pr pa pm pm pi pn pg ro rg rr ra rm rm ri rn rg og or oa om om oi on og gr ga gm gm gi gn gg ra rm rm ri rn rg am am ai an ag mm mi mn mg mi mn mg in ig ng pro prg prr pra prm prm pri prn prg rog ror roa rom rom roi ron rog ogr oga ogm ogm ogi ogn ogg gra grm grm gri grn grg ram ram rai ran rag amm ami amn amg mmi mmn mmg min mig ing prog pror proa prom prom proi pron prog rogr roga rogm rogm rogi rogn rogg ogra ogrm ogrm ogri ogrn ogrg gram gram grai gran grag ramm rami ramn ramg ammi ammn ammg mmin mmig ming progr proga progm progm progi progn progg rogra rogrm rogrm rogri rogrn rogrg ogram ogram ograi ogran ograg gramm grami gramn gramg rammi rammn rammg ammin ammig mming progra progrm progrm progri progrn progrg rogram rogram rograi rogran rograg ogramm ogrami ogramn ogramg grammi grammn grammg rammin rammig amming program program prograi progran prograg rogramm rogrami rogramn rogramg ogrammi ogrammn ogrammg grammin grammig ramming programm programi programn programg rogrammi rogrammn rogrammg ogrammin ogrammig gramming programmi programmn programmg rogrammin rogrammig ogramming programmin programmig rogramming programming
Sanfoundry Global Education & Learning Series – 1000 C Programs.
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