Answer to Question #17376 in C++ for ADITYA CHOUDHARY

Question #17376
C PROGRAM /*Following is a code to find all the possible combinations of the characters of a string ,but it's not giving correct result due do some mistake.Please help Input - no of characters in string and the string. Output - all the combinations of characters of the string. for e.g. Sample Input : enter the number of characters in the word you are going to enter 2 enter the word: os Output(it will be stored in a text file) : o s oo os so ss */ #include <stdio.h> #include <string.h> int m=0; void pos(char *a,char *b,int j,int n,FILE *fp,int k); main() { File *fp; fp=fopen("possibilities.txt","r"); char *a,*b; int n,j,k; printf("\nenter the number of characters in the word you are going to enter "); scanf("%d ",&n); a=(char*)malloc(n+1 *sizeof(char)); printf("\nenter the word: "); scanf("%s ",a); a[n]='\0'; for(k=1;k<n;k++) { b=(char*)malloc(k+1 *sizeof(char)); b[k]='0'; pos(a,b,0,n,fp,k); } print
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