#include <stdio.h>

int main () { int n, i, j; printf("How many rows you want to your pyramid?\n"); scanf("%d", &n);

for(i = 1; i <=  n; i++)
{
    for(j = 1; j <= 2*n-1; j++)
    {
         if (j >= n-(i - 1) && j <= n+(i - 1))
        {
        printf("*");
        }
        else
            printf(" ");
    }
    printf("\n");
}
return 0;

}

import java.util.Scanner;

public class SimpleCalculator { public static void main(String[] args) { // Create a Scanner object to read input Scanner scanner = new Scanner(System.in);

    // Prompt the user to enter the first number
    System.out.print("Enter the first number: ");
    double input1 = scanner.nextDouble();

    // Prompt the user to enter the second number
    System.out.print("Enter the second number: ");
    double input2 = scanner.nextDouble();

    // Calculate the sum, difference, product, and quotient
    double sum = input1 + input2;
    double difference = input1 - input2;
    double product = input1 * input2;
    double quotient = 0;

    // Check for division by zero
    if (input2 != 0) {
        quotient = input1 / input2;
    } else {
        System.out.println("Cannot divide by zero.");
    }

    // Output the results
    System.out.println("Sum: " + sum);
    System.out.println("Difference: " + difference);
    System.out.println("Product: " + product);
    if (input2 != 0) {
        System.out.println("Quotient: " + quotient);
    }

    // Close the scanner
    scanner.close();
}

}