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 Display inverted half pyramid using * and numbers
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 display the pyramid of * and digits
C++ program to print pyramid using *.
*
* * *
* * * * *
* * * * * * *
* * * * * * * * *
#include <iostream>
using namespace std;
int main()
{
int i,space,rows,k;
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;
}C++ program to display reverse pyramid.
* * * * * * * * *
* * * * * * *
* * * * *
* * *
*
#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;
}C++ Program to Draw Pascal's triangle as below:
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;
}
}C++ Program to display Floyd's Triangle.
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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