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- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- int sort(const void* a, const void* b)
- {
- return (isdigit(*(char*)a) && isdigit(*(char*)b) ) ? *(char*)a > *(char*)b : 0;
- }
- int main()
- {
- char* arr = (char*) malloc (sizeof(char) * 1024);
- if(arr != 0)
- {
- printf("Input the string:");
- gets(arr);
- if(arr != 0)
- {
- char* str = (char*)malloc(strlen(arr) * sizeof(char));
- char* c[2] = {arr, str};
- do
- {
- if(isdigit(*c[0]))
- {
- *(c[1]++) = *c[0] ;
- }
- }while(*((c[0])++) != 0);
- *(c[1]++) = 0;
- qsort((void*)str, strlen(str), sizeof(char), sort);
- printf("%s", str);
- free(str);
- }
- }
- free(arr);
- return 0;
- }
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