p2 answer sheet modified.txt

//COMPLEX NUMBER

#include <stdio.h>

// Define a structure to represent a complex number
typedef struct {
  double real; // The real part
  double imag; // The imaginary part
} complex;

// Define a function to multiply two complex numbers
complex multiply(complex a, complex b) {
  complex result; 
  
  result.real = a.real * b.real - a.imag * b.imag;
  result.imag = a.real * b.imag + a.imag * b.real;
  return result; // Return the result
}

// Define a function to print a complex number
void print_complex(complex c) {
  // Use the format a + bi or a - bi depending on the sign of the imaginary part
  if (c.imag >= 0) {
    printf("%.2f + %.2fi\n", c.real, c.imag);
  } else {
    printf("%.2f - %.2fi\n", c.real, -c.imag);
  }
}

int main() {
  complex x, y, z; 
  
  printf("Enter the first complex number (real and imaginary parts): ");
  scanf("%lf %lf", &x.real, &x.imag);
  
  printf("Enter the second complex number (real and imaginary parts): ");
  scanf("%lf %lf", &y.real, &y.imag);
  
  z = multiply(x, y);
  
  printf("The product of the two complex numbers is: ");
  print_complex(z);
  return 0; 

}



//Pascal triangle;
#include <stdio.h>

int main()
{
    int n, i, j, k;
    printf("Enter the number of rows: ");
    scanf("%d", &n);
    for (i = 0; i < n; i++)
    {
        // Print spaces for alignment
        for (k = 0; k < n - i - 1; k++)
        {
            printf(" ");
        }
        // Calculate and print the coefficients
        int c = 1;
        for (j = 0; j <= i; j++)
        {
            printf("%d ", c);
            c = c * (i - j) / (j + 1);
        }
        // Move to the next line
        printf("\n");
    }
    return 0;