Pattern {Alphabet Right Angled Triangle}

#include<stdio.h>
#include<string.h>
#include<conio.h>
void main()
{
      char string[100];
      int c, k, length;
      clrscr();
      printf("Enter a string\n");
      gets(string);
      length = strlen(string);
      for ( c = 0 ; c < length ; c++ )
      {
          for( k = 0 ; k <= c ; k++ )
          {
               printf("%c", string[k]);
          }
          printf("\n");
      }
      getch();
}

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