C++ Program to display integrated pyramid number pattern using while loop

C++ program to display integrated pyramid number pattern using while loop

In this tutorial, we will discuss a concept of  C++ program to display integrated pyramid number pattern using while loop

In the C++ programming  language, we can use for loop ,while loop and do-while loop to display different number (binary, decimal), alphabets or star pattern programs.

In this article, we are going to learn  how to Display integrated pyramid number pattern using while loop  in C++ language

C++ code to Integrated triangle number patterns

Integrated Triangle number pattern 1

Program 1

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,row;
    cout<<"Enter the number of rows: ";
    cin>>row;//gets input from the user
    cout<<"\n";
    i=1;
while(i<=row){//print upper part
    j=i;
    while(j<=row){
        cout<<j;//print number
        j++;
    }
    i++;
    cout<<"\n";//move to next line
}

i=row-1;
while(i>=1){//print lower part
    j=i;
    while(j<=row){
        cout<<j;//print number
        j++;
    }
    i--;
    cout<<"\n";//move to next part
}
getch();
    return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 2

Program 2

#include <iostream>
#include <conio.h>
using namespace std;
    int main()
{
    int i,j,row;//variable declaration
    cout<<"Enter the number of rows: ";
    cin>>row;//get input from user
    cout<<"\n";
i=1;
while(i<=row){//print upper part
    j=1;
while(j<i){
    cout<<" ";//print space
    j++;
}
j=i;
    while(j<=row){
        cout<<j;
        j++;
    }
    i++;
    cout<<"\n";
}

i=row-1;
while(i>=1){//print lower part
    j=1;
while(j<i){
    cout<<" ";//print space
    j++;
}
j=i;
    while(j<=row){
        cout<<j;//print number
        j++;
    }
    i--;
    cout<<"\n";
}
getch();
    return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 3

Program 3

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{

    int i,j,row;
    cout<<"Enter the number of rows: "<< endl;
    cin>>row;//gets input from user
    cout<<"\n";
    i=1;
while(i<=row){//print upper part
    j=1;
while(j<=i){
    cout<<" ";
    j++;
}
j=i;
    while(j<=row){
        cout<<j;
        cout<<" ";
        j++;
    }
    i++;
    cout<<"\n";
}

i=row-1;
while(i>=1){
    j=1;
while(j<=i){
    cout<<" ";
    j++;
}
j=i;
    while(j<=row){
        cout<<j;
        cout<<" ";
        j++;
    }
    i--;
    cout<<"\n";
}
getch();
return 0;

}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 4

Program 4

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,row;
    cout<<"Enter the number of rows\n";
    cin>>row;//gets input from user
     cout<<"\n";
    i=1;
while(i<=row){//print upper part
    j=1;
while(j<=row-i){
     cout<<" ";
    j++;
}
j=1;
    while(j<=i){
         cout<<j;
         cout<<" ";
        j++;
    }
    i++;
     cout<<"\n";
}

i=1;
while(i<=row-1){
    j=1;
while(j<=i){
     cout<<" ";
    j++;
}
j=1;
    while(j<=row-i){
         cout<<j;
         cout<<" ";
        j++;
    }
    i++;
     cout<<"\n";
}
getch();
    return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 5

Program 5

#include <iostream>
#include <conio.h>
using namespace std;

int main(){
int i,j,k,rows;
    cout<<"Enter the number of rows\n";
    cin>>rows;//gets input from user
    cout<<"\n";

    i=1;
while(i<=rows){
        j=1;
  while(j<=i){
  cout<<j;
   j++;
}

j=i*2;
while(j<rows*2){
  cout<<" ";
   j++;
}

k=i;
while( k>=1){
  cout<<k;
   k--;
}

  cout<<"\n";

   i++;

}
getch();
    return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 6

Program 6

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,k,rows;
    cout<<"Enter the number of rows\n"<<endl;
    cin>>rows;//gets input from user
    cout<<"\n";

    i=rows;
while(i>=1){
j=1;
     while(j<=i){
         cout<<j;
          j++;
             }
j=i*2;
     while( j<rows*2-1){
         cout<<" ";
          j++;
            }
k=i;;
     while( k>=1){
        if(k!=rows)
         cout<<k;
          k--;
              }
cout<<"\n";
 i--;
         }
         getch();
         return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 7

Program 7

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
    int i,j,k,rows;
    cout<<"Enter the number of rows\n";
    cin>>rows;//gets input from user
    cout<<"\n";

    i=rows;
while(i>=1){//print upper part
j=1;
     while(j<=i){
         cout<<j;

          j++;
             }
              cout<<"\n";
             i--;
}
i=1;
     while( i<rows){//print lower part
         j=1;
         while(j<=i){
         cout<<j;

          j++;
             }
             cout<<"\n";

          i++;
         }
         getch();
    return 0;
}

When the above code is executed, it produces the following results

 

Integrated Triangle number pattern 8

Program 8

#include <iostream>
#include <conio.h>
using namespace std;

int main()
{
     int i,j,k,rows;
    cout<<"Enter the number of rows\n"<<endl;
    cin>>rows;//gets input from user
    cout<<"\n";

    i=rows;
while(i>=1){  //parent while loop
    j=rows;
  while(j>=1+rows-i){
  cout<<j;

   j--;

}
     j=i*2;
    while(j<rows*2-1){
  cout<<" ";
  j++;

    }

    k=1+rows-i;
    while( k<=rows){
    if(k!=1)
  cout<<k;
 k++;

   }

  cout<<"\n";
  i--;

}
getch();
    return 0;
}

When the above code is executed, it produces the following results

 

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