78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
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/*
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* C Program to Find All Possible Subsets of given Length in String
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*/
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#include <stdio.h>
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#include <string.h>
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char a[20];
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int n, len, j;
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void main()
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{
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int i, index = 0, start = 0;
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printf("Enter the string
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");
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scanf("%s", a);
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n = strlen(a);
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printf("enter input length
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");
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scanf("%d", &len);
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printf("The subsets are
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");
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for (i = 1; i < = n; i++)
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{
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if (index - start + 1 == i)
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{
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if (i == len)
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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", a[i]);
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printf("%c
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", a[j]);
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}
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if (start != i)
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{
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start++;
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index = start;
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}
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}
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else
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{
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index++;
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}
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}
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}
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}
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/*
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Enter the string
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programming
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enter input length
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2
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The subsets are
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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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enter the string
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programming
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enter input length
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4
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The subsets are
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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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