Write a program in C which will print all the possible combination of a given word. E.G. if the word is ABCD then the output should be ABCD, ABDC, ACBD, ACDB, ADBC, ADCB, BACD, BADC, BCAD, BCDA, BDAC, BDCA, CABD, CADB, CBAD, CBDA, CDAB, CDBA, DABC, DACB, DBAC, DBCA, DCAB, DCBA,but the number of letters of the input must not be fixed i.e. the program should run well for any number of letters.

calvinss4

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• Feb 28th, 2008

#include <stdio.h>#include <string.h>#include <assert.h>typedef unsigned int u32;#define SWAP(a, b) do { a ^= b; b ^= a; a ^= b; } while (0)u32 print_ctr;void PrintAllPerms(char *str...

michiw

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• Feb 10th, 2008

#include <stdio.h>#include <stdlib.h>#include <string.h>void ncr(int preflen, char *prefix, int len, char *str) {  if (len <= 1) {    printf("%s%s, "...

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