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  1. #include<string.h>
  2. #include<stdio.h>
  3. int main(){
  4.     char str[100],n;
  5.     scanf("%s",str);
  6.     int i;
  7.     int buf[256]={0};
  8.     n=strlen(str);
  9.     for( i=0;i<n;i++) buf[(int)str[i]]++;
  10.     for( i=0;i<n;i++) while(buf[(int)str[i]]-- >0)printf("%c",str[i]);
  11.     return 0;
  12. }
  13.  
stdin 
kapilrajadurga
compilation info 
prog.c: In function ‘main’:
prog.c:8: warning: implicit declaration of function ‘strlen’
prog.c:8: warning: incompatible implicit declaration of built-in function ‘strlen’
prog.c:5: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result
stdout 
kaaaapilrrjdug
https://ideone.com/TuNbS
language:
C (gcc 8.3)
created:
14 years ago
visibility:
secret

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