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  1. /* 
  2.  * File:   isPasswordValid.c
  3.  * Author: srkrishnan
  4.  *
  5.  * Created on June 29, 2011, 11:41 PM
  6.  */
  7.  
  8. #include <stdio.h>
  9. #include <stdlib.h>
  10.  
  11. /*
  12.  * 
  13.  */
  14.  
  15. int isPassowrdValid(char *pass)
  16. {
  17.     int alpha=0,num=0,p=0,valid=0;
  18.     char *str=pass;
  19.     while(*str)
  20.     {
  21.         if(*str>='a' && *str<='z')
  22.             alpha++;
  23.         if(*str>='0' && *str<='9')
  24.             num++;
  25.         p++;
  26.         str++;
  27.     }
  28.     if(alpha!=0 && num!=0 && alpha+num==p && p>=5 && p<=12)
  29.         valid=1;
  30.     else
  31.         valid=0;
  32.  
  33.     str=pass;
  34.     char *t=NULL,*b=NULL,*c=NULL;
  35.     while(*str)
  36.     {
  37.         t=str+1;
  38.         while(*t)
  39.         {
  40.             if(*t==*str)
  41.             {
  42.                 b=t;
  43.                 c=str;
  44.                 while(*t && *c)
  45.                 {
  46.                     if(c==b)
  47.                         break;
  48.                     if(*c!=*t)
  49.                         break;
  50.                                         c++;
  51.                     t++;
  52.                 }
  53.                 if(c==b)
  54.                 {
  55.                     valid=0;
  56.                     break;
  57.                 }
  58.             }
  59.             t++;
  60.         }
  61.         str++;
  62.     }
  63.     return valid;
  64. }
  65.  
  66. int main(int argc, char** argv) {
  67.  
  68.     printf("%d",isPassowrdValid("cb124"));
  69.     return (EXIT_SUCCESS);
  70. }
  71.  
Success #stdin #stdout 0s 1720KB
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https://ideone.com/oEfLE
language:
C (gcc 8.3)
created:
14 years ago
visibility:
secret

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