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  1. #include <stdio.h>
  2. #include <string.h>
  3. int main() {
  4.     int n,i,j,k,l[5],b=0,c=0,h=0,t=0;
  5.     char str[5],s[5];
  6.     printf("enter no of records to be analyzed");
  7.     scanf("%d",&n);
  8.     for(i=1;i<=n;i++)
  9.     {
  10.      scanf("%d",&l[i]);
  11.      scanf("%s",&str[i]);
  12.     }
  13.      for(i=1;i<=n;i++)
  14.      {
  15.           b=0;
  16.           c=0;
  17.           strcpy(s,str[i]);
  18.           for(k=0;k<l[i];k++)
  19.           {
  20.            if(s[k]==46)
  21.               continue;
  22.               if(s[k]==72)
  23.               {
  24.                   if(b==1)
  25.                  {
  26.                   printf("invalid");
  27.                   break;
  28.                  }
  29.                   b=1;
  30.                   c=0;
  31.                   h++;
  32.               }
  33.               if(s[k]==84)
  34.               {
  35.                   if(c==1||b==0)
  36.                  {
  37.                   printf("invalid");
  38.                   break;
  39.                  }
  40.                   c=1;
  41.                   b=0;
  42.                   t++;
  43.               }
  44.           }
  45.           if((k==l[i]) && (h==t))
  46.           {
  47.               printf("valid");
  48.           }
  49.      }
  50. 	return 0;
  51. }
  52.  
Runtime error #stdin #stdout 0s 9432KB
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stdin
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2
3
HT.
4
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stdout
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Standard output is empty
https://ideone.com/aNs7Xb
language:
C (gcc 8.3)
created:
6 years ago
visibility:
public

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