Cpp Program to print triangle with numbers

This is a simple Cpp Program which prints out a triangle with respect to the input given , here the obtained triangle is filled with numbers.

Triangle pattern with numbers

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PROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i, j, n,k;
    cout << "Enter number of lines[height of triangle] : \t";
    cin >> n;
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
        {
            cout << " ";
        }
        for(k=1; k<(i*2); k++)
        {
            cout << k;
        }
        cout << "\n";
    }
    return 0;
}

OUTPUT :

Cpp Program - Triangle with numbers

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Cpp Program to print a triangle with stars

This is a simple Cpp Program which prints out a triangle with respect to the input given , the obtained triangle is  filled with stars.

Triangle pattern with stars

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PROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i, j, n,k;
    cout << "Enter number of lines[height of triangle] : \t";
    cin >> n;
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
        {
            cout << " ";
        }
        for(k=1; k<i*2; k++)
        {
            cout << "*";
        }
        cout << "\n";
    }
    return 0;
}

OUTPUT : 

Cpp Program to print a triangle with stars

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Cpp Program to print a Right angled triangle

This is a simple Cpp Program which prints out a Right angled triangle with respect to the input given.

Right angled triangle pattern program

Download CodePROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i, j, n,k;
    cout << "Enter number of lines[height of triangle] : \t";
    cin >> n;
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
        {
            cout << " ";
        }
        for(k=1; k<(i*2); k++)
        {
            cout << k++;
        }
        cout << "\n";
    }
    return 0;
}

Download CodeOUTPUT :

Cpp Program - Right angled triangle pattern

Cpp Program to print Pascals triangle

This is a Cpp Program which prints pascals triangle based on the input given.

Pascals Triangle

Download CodePROGRAM : 

#include <iostream>

using namespace std;

int main()
{
     int i,j,x,n,s;
    cout << "Enter number of lines[height of triangle] : \t";
    cin >> n;
    for(i=0; i<=n; i++)
    {
        x=1;
        for(s=1; s<=n-i; s++)
            cout << " ";
        for(j=1; j<=i+1; j++)
        {
            cout << " " << x;
            x=x*(i-j+1)/j;
        }
        cout << "\n";
    }
    return 0;
}

Download CodeOUTPUT : 

Cpp Program to print pascals triangle

Cpp Program to print palindrome triangle

This is a Cpp Program which prints thee palindrome triangle based on the input given.

Here , check each row elements , you can see a palindrome sequence.

Palindrome triangle

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PROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i,j,n;
    cout << "Enter number of lines[height of triangle] : \t";
    cin >> n;
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
            cout << " ";
        for(j=1; j<=i; j++)
            cout << j;
        for(j=i-1; j>=1; j--)
            cout << j;
        cout << "\n";
    }
    return 0;
}

OUTPUT :

Cpp program - Palindrome triangle

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Cpp Program to print Floyds triangle

This is a Cpp program which prints the Floyd's triangle with respect to the input given.

Floyds triangle

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PROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i, j, k = 1,n;
    cout << "Enter the range: ";
    cin >> n;
    cout << "\nFLOYD'S TRIANGLE : \n";
    for (i = 1; i <= n; i++)
    {
        for (j = 1; j <= i; j++, k++)
        {
            cout << "\t" << k;
        }
        cout << "\n" ;
    }
    return 0;
}

OUTPUT :

Cpp Program - Floyds Triangle

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Cpp program to print diamond with stars

This is a  Cpp Program which prints out the diamond with stars pattern.

Diamond with stars ( pattern)

Download CodePROGRAM :

#include <iostream>

using namespace std;

int main()
{
    int i, j, k,n;
    cout << "Enter number of lines[height of diamond] : \t" ;
    cin >> n;
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
        {
            cout << " ";
        }
        for(k=1; k<(i*2); k++)
        {
            cout << "*";
        }
        cout << "\n";
    }
    for(i=n-1; i>=1; i--)
    {
        for(j=n; j>i; j--)
        {
            cout << " ";
        }
        for(k=1; k<(i*2); k++)
        {
            cout << "*";
        }
        cout << "\n";
    }

    return 0;
}

OUTPUT :

Cpp Program  - Diamond pattern with stars

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Java Program to print a triangle filled with stars

This is a Java Program which  prints out a triangle filled with stars.

Java Program to print a triangle filled with stars

PROGRAM :

package codingcorner.in;

import java.util.Scanner;

public class TriangeWithStars {
 public static void main(String[] args) {
  int i, j, n, k;
  Scanner scan = new Scanner(System.in);
  System.out.print("Enter number of lines[height of triangle] : \t");
  n = scan.nextInt();
  scan.close();
  for (i = 1; i <= n; i++) {
   for (j = i; j < n; j++) {
    System.out.print(" ");
   }
   for (k = 1; k < i * 2; k++) {
    System.out.print("*");
   }
   System.out.print("\n");
  }
 }
}

OUTPUT :

Java Program to print a triangle filled with stars

C Program to print a triangle filled with stars

This is a simple C Program which prints out a triangle with respect to the input given , the obtained triangle is  filled with stars.

Triangle pattern

PROGRAM :

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int i, j, n,k;
    printf("Enter number of lines[height of triangle] : \t");
    scanf("%d",&n);
    for(i=1; i<=n; i++)
    {
        for(j=i; j<n; j++)
        {
            printf(" ");
        }
        for(k=1; k<i*2; k++)
        {
            printf("*");
        }
        printf("\n");
    }
    return 0;
}

OUTPUT : 

C Program to print a triangle