//program to enter a poem and to calculate number of vowel and consonants
#include<fstream.h>
#include<conio.h>
#include<process.h>
#include<ctype.h>
#include<string.h>
#include<stdio.h>
void main()
{ clrscr();
  char ch[100],charc,charw[10];
  int count1=0,count2=0;
  ofstream ofile;
  ofile.open("POEM.TXT",ios::out);
  if(!ofile)
  { cout<<"\n File can't be open";
exit(1);
  }
cout<<"\n Enter the poem:";
gets(ch);
ofile<<ch;

  ofile.close();
  ifstream ifile, ifile1;
  ifile.open("POEM.TXT",ios::in);
  if(!ifile)
  { cout<<"\n File can not read";
exit(1);
  }
  while(ifile>>charc)
  { charc=toupper(charc);
    if(charc=='A'||charc=='E'||charc=='I'||charc=='O'||charc=='U')
count1++;
  }

  cout<<"\n Number of vowel="<<count1;
  ifile.close();

  ifile1.open("POEM.TXT",ios::in);
  if(!ifile1)
  { cout<<"\n File can not read";
    exit(1);
  }
  while(ifile1)
{  ifile1>>charw;
if(strcmpi(charw,"the")==0)
count2++;
}
  cout<<"\n Number of 'the'="<<count2;
  ifile1.close();
  getch();
}

//program to count uppercase,lowercase,digits and other charcters
#include<iostream.h>
#include<conio.h>
#include<ctype.h>
#include<stdio.h>

void COUNT(char str[20]);

void main()
{clrscr();
 char string[20];
 cout<<"\n Enter a string: ";
 gets(string);
 COUNT(string);
 getch();
}

void COUNT(char str[20])
{int upper=0,lower=0,digit=0,other=0;
 for(int i=0; str[i]!='\0'; i++)
 {
  if(isupper(str[i]))
upper++;
  else if(islower(str[i]))
lower++;
  else if(isdigit(str[i]))
digit++;
  else
other++;
  }
  cout<<"\n Number of uppercase characters = "<<upper;
  cout<<"\n Number of lowercase characters = "<<lower;
  cout<<"\n Number of digits = "<<digit;
  cout<<"\n Number of other characters = "<<other;
 }