All number patterns using C++ programming Language

All number patterns using C++ programming Language

Number pattern : 1

1
12
123
1234
12345

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=1; j<=i; j++)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 2

5
45
345
2345
12345

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=i; j<=5; j++)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 3

12345
1234
123
12
1

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=1; j<=i; j++)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 4

12345
2345
345
45
5

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=i; j<=5; j++)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 5

54321
4321
321
21
1

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=i; j>=1; j--)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 6

54321
5432
543
54
5

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=5; j>=i; j--)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 7

1
21
321
4321
54321

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=i; j>=1; j--)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 8

5
54
543
5432
54321

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=5; j>=i; j--)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 9

1
22
333
4444
55555

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=1; j<=i; j++)
        {
            cout<<i;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 10

5
44
333
2222
11111

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=5; j>=i; j--)
        {
            cout<<i;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 11

1234567
12345
123
1

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=7; i>=1; i-=2)
    {
        for(j=1; j<=i; j++)
        {
            cout<<j;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 12

12345
4321
123
21
1

#include<iostream>
using namespace std;
int main()
{
    int i,j,k;
    for(i=5; i>=1; i--)
    {
        if(i%2==1) k=1;
        else k=i;
        for(j=1; j<=i; j++)
        {
            cout<<k;
            if(i%2==1) k++;
            else k--;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 13

55555
4444
333
22
1

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=5; i>=1; i--)
    {
        for(j=1; j<=i; j++)
        {
            cout<<i;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 14

11111
2222
333
44
5

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=5; i++)
    {
        for(j=5; j>=i; j--)
        {
            cout<<i;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 15

55555
45555
34555
23455
12345

#include<iostream>
using namespace std;
int main()
{
    int i, j, k;
    for(i=5; i>=1; i--)
    {
        k = i;
        for(j=1; j<=5; j++)
        {
            if(k <= 5)
            {
                cout << k;
            }
            else
            {
               cout << "5";
            }
            k++;
        }
        cout << endl;
        
    }
    return 0;
}

---

Number pattern : 16

1
01
101
0101

#include<iostream>
using namespace std;
int main()
{
    int i, j;
    for(i=1; i<=4; i++)
    {
        for(j=i; j>=1; j--)
        {
            cout<< j%2;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 17

1
24
135
2468
13579

#include<iostream>
using namespace std;
int main()
{
    int i, j, k;
    for(i=1; i<=5; i++)
    {
        if(i%2==0)
        {
            k=2;
        }
        else
        {
            k = 1;
        }
        for(j=1; j<=i; j++,k+=2)
        {
            cout<<k;
        }
        cout<<endl;
    }
    return 0;
}

---

Number pattern : 18

13579
3579
579
79
9

#include<iostream>
using namespace std;
int main()
{
 int i,j;
  for(i=1;i<=9;i+=2)
  {
    for(j=i;j<=9;j+=2)
    {
      cout<<j;
    }
   	cout<<endl;
  }
  return 0;
}

---