c++ pattern programs 1
#include <iostream.h>
using namespace std;
int main()
{
int rows;
cout << "Enter number of rows: ";
cin >> rows;
for(int i = 1; i <= rows; ++i)
{
for(int j = 1; j <= i; ++j)
{
cout << "* ";
}
cout << "\n";
}
return 0;
}
using namespace std;
int main()
{
int rows;
cout << "Enter number of rows: ";
cin >> rows;
for(int i = 1; i <= rows; ++i)
{
for(int j = 1; j <= i; ++j)
{
cout << "* ";
}
cout << "\n";
}
return 0;
}
Output--
*
* *
* * *
* * * *
* * * * *
c++ pattern programs 2
#include <iostream.h>
using namespace std;
int main()
{
int rows;
cout << "Enter number of rows: ";
cin >> rows;
for(int i = rows; i >= 1; --i)
{
for(int j = 1; j <= i; ++j)
{
cout << "* ";
}
cout << endl;
}
return 0;
}
Output--
c++ pattern programs 3
#include<iostream.h>
using namespace std;
#include<conio.h>
void main()
{
int i, j, k;
for(i=5;i>=1;i--)
{
for(j=1;j<i;j++)
{
cout<<" ";
}
for(k=5;k>=i;k--)
{
cout<<"*";
}
cout<<"\n";
}
getch();
}
Output--
c++ pattern programs 4
#include<iostream.h>
using namespace std;
#include<conio.h>
void main()
{
int i, j, k;
for(i=5;i>=1;i--)
{
for(j=5;j>i;j--)
{
cout<<" ";
}
for(k=1;k<=i;k++)
{
cout<<"*";
}
cout<<"\n";
}
getch();
}
Output--
c++ pattern programs 5
#include <iostream.h>
using namespace std;
int main()
{
int space, rows;
cout <<"Enter number of rows: ";
cin >> rows;
for(int i = 1, k = 0; i <= rows; ++i, k = 0)
{
for(space = 1; space <= rows-i; ++space)
{
cout <<" ";
}
while(k != 2*i-1)
{
cout << "* ";
++k;
}
cout << endl;
}
return 0;
}
Output--
c++ pattern programs 6
#include <iostream.h>
using namespace std;
int main()
{
int rows;
cout << "Enter number of rows: ";
cin >> rows;
for(int i = rows; i >= 1; --i)
{
for(int space = 0; space < rows-i; ++space)
cout << " ";
for(int j = i; j <= 2*i-1; ++j)
cout << "* ";
for(int j = 0; j < i-1; ++j)
cout << "* ";
cout << endl;
}
return 0;
}
Output--
c++ pattern programs 7
#include<iostream>
using namespace std;
int main()
{
int n, s, i, j;
cout << "Enter number of rows: ";
cin >> n;
for(i = 0; i <= n; i++)
{
for(s = n; s > i; s--)
cout << " ";
for(j=0; j<i; j++)
cout << "* ";
cout << "\n";
}
for(i = 1; i < n; i++)
{
for(s = 0; s < i; s++)
cout << " ";
for(j = n; j > i; j--)
cout << "* ";
cout << "\n";
}
return 0;
}
Output--
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