In this article, I have explained the list of all alphabet pattern programs in c++ programming language. I have used Code::Blocks IDE for debugging purpose. But you can use any C++ programming language compiler as per your availability.
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Alphabet Pattern Programs in C++
Alphabet pattern : 1
A
BB
CCC
DDDD
EEEEE
BB
CCC
DDDD
EEEEE
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
cout<<((char)(i+64));
}
cout<<endl;
}
return 0;
}
Alphabet pattern : 2
AAAAA
BBBB
CCC
DD
E
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=i;j<=n;j++)
{
cout<<((char)(i+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern : 3
A
AB
ABC
ABCD
ABCDE
AB
ABC
ABCD
ABCDE
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern : 4
E
DE
CDE
BCDE
ABCDE
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=n;i>=1;i--)
{
for(j=i;j<=n;j++)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern : 5
A
BA
CBA
DCBA
EDCBA
BA
CBA
DCBA
EDCBA
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=i;j>=1;j--)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern : 6
E
ED
EDC
EDCB
EDCBA
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=n;i>=1;i--)
{
for(j=n;j>=i;j--)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 7
E
DD
CCC
BBBB
AAAAA
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=i;j++)
{
cout<<((char)(n-i+1+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 8
EEEEE
DDDD
CCC
BB
A
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=n;i>=1;i--)
{
for(j=1;j<=i;j++)
{
cout<<((char)(i+64));
}
cout<<endl;
}
return 0;
}Also check
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Alphabet pattern 9
EDCBA
EDCB
EDC
ED
E
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=n;j>=i;j--)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 10
EDCBA
DCBA
CBA
BA
A
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=n;i>=1;i--)
{
for(j=i;j>=1;j--)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 11
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=n-i;j++)
{
cout<<" ";
}
for(j=1;j<=i;j++)
{
cout<<(char)(j+64);
}
for(j=i-1;j>=1;j--)
{
cout<<(char)(j+64);
}
cout<<endl;
}
return 0;
}
Alphabet pattern 12
I
IN
IND
INDI
INDIA
#include <iostream>
using namespace std;
int main()
{
int i,j;
char s[]="INDIA";
for(i=0;s[i];i++)
{
for(j=0;j<=i;j++)
cout<<s[j];
cout<<endl;
}
return 0;
}Alphabet pattern 13
#include <iostream>
using namespace std;
int main()
{
int i,j,k;
char c='A';
int n=5;
for(i=0;i<=n;i++)
{
for(j=0;j<=i;j++)
{
cout<<" ";
}
for(k=n-i-1;k>=0;k--)
{
cout<<c;
c++;
}
cout<<endl;
}
return 0;
}
Alphabet pattern 14
A
BC
DEF
GHIJ
KLMNO
#include <iostream>
using namespace std;
int main()
{
int i,j;
char c;
int n=5;
c='A';
for(i=0;i<n;i++)
{
for(j=0;j<=i;j++)
{
if(c=='Z')
break;
cout<<c;
c++;
}
cout<<endl;
}
return 0;
}Alphabet pattern 15
#include <iostream>
using namespace std;
int main()
{
int i,j;
char CH='E';
int space=1;
for(i=1; i<=5; i++)
{
for(j='A'; j<=CH; j++)
cout<<((char)(j));
if(i==1)
cout<<"\b";
for(j=1; j<space; j++)
cout<<" ";
for(j=CH; j>='A'; j--)
cout<<((char)(j));
cout<<endl;
CH--;
space++;
}
return 0;
}Alphabet pattern 16
A
B C
D E F
G H I J
K L M N O
#include <iostream>
using namespace std;
int main()
{
int i,j;
char ch='A';
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++)
{
cout<<ch++;
}
cout<<endl;
}
return 0;
}
Alphabet pattern 17
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=n-i;j++)
{
cout<<" ";
}
for(j=i;j>0;j--)
{
cout<<((char)(j+64));
}
for(j=2;j<=i;j++)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 18
A
B F
C G J
D H K M
E I L N O
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
int diff,value;
for(i=1;i<=n;i++)
{
diff=n-1;
value=i;
for(j=1; j<=i; j++)
{
cout<<((char)(value+64));
value=value+diff;
diff--;
}
cout<<endl;
}
return 0;
}Alphabet pattern 19
A
A B C
A B C D E
A B C D E F G
A B C D E F G H I
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=(i*2-1);j++)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}
Alphabet pattern 20
E F G H I
D E F G
C D E
B C
A
#include <iostream>
using namespace std;
int main()
{
int i,j,k;
int n=5;
for(i=n;i>=1;i--)
{
k = i;
for(j=1;j<=i;j++,k++)
{
cout<<((char)(k+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 21
A B C D E
B C D E
C D E
D E
E
#include <iostream>
using namespace std;
int main()
{
int i,j;
int n=5;
for(i=1;i<=n;i++)
{
for(j=i;j<=n;j++)
{
cout<<((char)(j+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 22
#include <iostream>
using namespace std;
int main()
{
int i,j,k;
int n=5;
for(i=1;i<=n;i++)
{
for(j=1;j<=n-i;j++)
{
cout<<" ";
}
for(k=1;k<=i;k++)
{
cout<<((char)(i+64));
}
cout<<endl;
}
return 0;
}Alphabet pattern 23
#include <iostream>
using namespace std;
int main()
{
int i,j,k;
char c='A';
int n=6;
for(i=0;i<=n;i++)
{
for(j=0;j<=i;j++)
{
cout<<" ";
}
for(k=n-i-1;k>=0;k--)
{
cout<<c;
c++;
}
cout<<endl;
}
return 0;
}Alphabet pattern 24
A
BC
DEF
GHIJ
KLMNO
PQRSTU
#include <iostream>
using namespace std;
int main()
{
int i,j;
char c;
int n=6;
c='A';
for(i=0;i<n;i++)
{
for(j=0;j<=i;j++)
{
if(c=='Z')
break;
cout<<c;
c++;
}
cout<<endl;
}
return 0;
}