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Problem statement:- Program to Print the Double Pyramid Star Pattern.Data requirement:-
Input Data:- row_size
Output Data:- *
Additional Data:-in or inn(for python), out
Program in C
Here is the source code of the C program to Print the Double Pyramid Star Pattern.
Code:
#include<stdio.h>
#include<math.h>
int main()
{
int out,in;
printf("Enter the row size:");
int row_size;
scanf("%d",&row_size);
for(out=row_size;out>=-row_size;out--)
{
for(in=0;in<=abs(out);in++)
{
printf("*");
}
printf("\n");
}}
Enter the row size:5
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Program in C++
Here is the source code of the C++ Program to Print the Double Pyramid Star Pattern.
Code:
#include<iostream>
#include<cmath>
using namespace std;
int main()
{
int out,in;
cout<<"Enter the row size:";
int row_size;
cin>>row_size;
for(out=row_size;out>=-row_size;out--)
{
for(in=0;in<=abs(out);in++)
{
cout<<"*";
}
cout<<"\n";
}}
Enter the row size:4
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Program in Java
Here is the source code of the Java Program to Print the Double Pyramid Star Pattern.
Code:
import java.util.Scanner;
public class StarPattern16 {
public static void main(String[] args) {
Scanner cs=new Scanner(System.in);
int out,in;
System.out.println("Enter the row size:");
int row_size=cs.nextInt();
for(out=row_size;out>=-row_size;out--)
{
for(in=0;in<=Math.abs(out);in++)
{
System.out.printf("*");
}
System.out.println();
}
cs.close();
}
}
Enter the row size:
5
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Program in Python
Here is the source code of the Python Program to Print the Double Pyramid Star Pattern.
Code:
row_size=int(input("Enter the row size:"))
for out in range(row_size,-(row_size+1),-1):
for inn in range(0,abs(out)+1):
print("*",end="")
print("\r")
Enter the row size:3
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