#include <stdio.h>
// Function to calculate the factorial of a number
int factorial(int n) {
if (n == 0 || n == 1) {
return 1;
} else {
return n * factorial(n - 1);
}
}
// Function to calculate the combination of two numbers
int combination(int n, int r) {
return factorial(n) / (factorial(r) * factorial(n - r));
}
// Function to print Pascal's Triangle
void printPascalsTriangle(int rows) {
for (int i = 0; i < rows; i++) {
for (int j = 0; j <= i; j++) {
printf("%d ", combination(i, j));
}
printf("\n");
}
}
// Main function
int main() {
int rows;
// Input the number of rows for Pascal's Triangle
printf("Enter the number of rows for Pascal's Triangle: ");
scanf("%d", &rows);
// Check if the input is valid
if (rows <= 0) {
printf("Invalid input. Number of rows should be greater than 0.\n");
return 1;
}
// Print Pascal's Triangle
printPascalsTriangle(rows);
return 0;
}