C++
Program To display the half pyramid of *, numbers and character
C++ Program to print half pyramid as
using * as shown in figure below.
*
*
*
*
* *
*
* * *
*
* * * *
#include
<iostream>
using
namespace std;
int
main()
{
int i,j,rows;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=1;i<=rows;++i)
{
for(j=1;j<=i;++j)
{
cout<<"* ";
}
cout<<"\n";
}
return 0;
}
C++ Program to print half pyramid as
using numbers as shown in figure below.
1
1
2
1
2 3
1
2 3 4
1
2 3 4 5
#include
<iostream>
using
namespace std;
int
main()
{
int i,j,rows;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=1;i<=rows;++i)
{
for(j=1;j<=i;++j)
{
cout<<j<<" ";
}
cout<<"\n";
}
return 0;
}
C++ Program to print triangle of
characters as below
A
B
B
C
C C
D
D D D
E
E E E E
#include
<iostream>
using
namespace std;
int
main()
{
int i,j;
char input,temp='A';
cout<<"Enter uppercase character
you want in triange at last row: ";
cin>>input;
for(i=1;i<=(input-'A'+1);++i)
{
for(j=1;j<=i;++j)
cout<<temp<<"
";
++temp;
cout<<endl;
}
return 0;
}
C++ Program to print inverted half
pyramid using * as shown below.
*
* * * *
*
* * *
*
* *
*
*
*
#include
<iostream>
using
namespace std;
int
main()
{
int i,j,rows;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=rows;i>=1;--i)
{
for(j=1;j<=i;++j)
{
cout<<"* ";
}
cout<<"\n";
}
return 0;
}
C++ Program to print inverted half
pyramid as using numbers as shown below.
1
2 3 4 5
1
2 3 4
1
2 3
1
2
1
#include
<iostream>
using
namespace std;
int
main()
{
int i,j,rows;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=rows;i>=1;--i)
{
for(j=1;j<=i;++j)
{
cout<<j<<" ";
}
cout<<"\n";
}
return 0;
}
C++ program to print pyramid using
*.
*
* * *
* * * * *
* * * * * * *
*
* * * * * * * *
#include
<iostream>
using
namespace std;
int
main()
{
int i,space,rows,k=0;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=1;i<=rows;++i)
{
for(space=1;space<=rows-i;++space)
{
cout<<" ";
}
while(k!=2*i-1)
{
cout<<"* ";
++k;
}
k=0;
cout<<"\n";
}
return 0;
}
C++ program to print the pyramid of
digits in pattern as below.
1
2 3 2
3 4 5 4 3
4 5 6 7 6 5 4
5
6 7 8 9 8 7 6 5
#include
<iostream>
using
namespace std;
int
main()
{
int i,space,rows,k=0,count=0,count1=0;
cout<<"Enter the number of rows:
";
cin>>rows;
for(i=1;i<=rows;++i)
{
for(space=1;space<=rows-i;++space)
{
cout<<" ";
++count;
}
while(k!=2*i-1)
{
if (count<=rows-1)
{
cout<<i+k<<"
";
++count;
}
else
{
++count1;
cout<<i+k-2*count1<<" ";
}
++k;
}
count1=count=k=0;
cout<<"\n";
}
return 0;
}
*
* * * * * * * *
* * * * * * *
* * * * *
* * *
*
#include
<iostream>
using
namespace std;
int
main()
{
int rows,i,j,space;
cout<<"Enter number of rows:
";
cin>>rows;
for(i=rows;i>=1;--i)
{
for(space=0;space<rows-i;++space)
cout<<" ";
for(j=i;j<=2*i-1;++j)
cout<<"* ";
for(j=0;j<i-1;++j)
cout<<"* ";
cout<<endl;
}
return 0;
}
1
1
1
1
2 1
1
3 3 1
1
4 6 4 1
1
5 10 10
5 1
#include
<iostream>
using
namespace std;
int
main()
{
int rows,coef=1,space,i,j;
cout<<"Enter number of rows:
";
cin>>rows;
for(i=0;i<rows;i++)
{
for(space=1;space<=rows-i;space++)
cout<<" ";
for(j=0;j<=i;j++)
{
if (j==0||i==0)
coef=1;
else
coef=coef*(i-j+1)/j;
cout<<" "<<coef;
}
cout<<endl;
}
}
1
2
3
4
5 6
7
8 9 10
#include
<iostream>
using
namespace std;
int
main()
{
int rows,i,j,k=0;
cout<<"Enter number of rows:
";
cin>>rows;
for(i=1;i<=rows;i++)
{
for(j=1;j<=i;++j)
cout<<k+j<<" ";
++k;
cout<<endl;
}
return 0;
}
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