Description
Get the number of lines as the input and print stars in that many lines or rows in a pyramid shape.
Input
4
Output
*
***
*****
*******
C Program
#include <stdio.h>
int main()
{
int i, j, k, rows;
printf("Enter number of rows");
scanf("%d", &rows);
for(i=1; i<=rows; i++)
{
for(j=i; j<rows; j++)
printf(" ");
for(k=1; k<=(2*i-1); k++)
printf("*");
printf("\n");
}
return 0;
}
C++ Program
#include <iostream>
using namespace std;
int main()
{
int i, j, k, rows;
cout<<"Enter number of rows: ";
cin>>rows;
for(i=1; i<=rows; i++)
{
for(j=i; j<rows; j++)
cout<<" ";
for(k=1; k<=(2*i-1); k++)
cout<<"*";
cout<<"\n";
}
return 0;
}
Java
import java.util.Scanner;
public class Main
{
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.print("Enter the number of rows: ");
int rows = sc.nextInt();
for(int i=1; i<=rows; i++)
{
for(int j=i; j<rows; j++)
System.out.print(" ");
for(int k=1; k<=(2*i-1); k++)
System.out.print("*");
System.out.println("");
}
}
}
Python
rows=int(input("Enter the number of rows: "))
for i in range(0,rows+1):
for j in range(i,rows):
print(" ",end="")
for k in range(0,2*(i-1)+1):
print("*",end="")
print()
