C++ Program to Print Pascal's Triangle
#include<iostream> //header file
using namespace std;
//driver function
int main()
{
int r;/*declaring r for Number of rows*/
cout << "Enter the number of rows : ";
cin >> r;
cout << endl;
for (int a = 0; a < r; a++)
{
int value = 1;
for (int b = 1; b < (r - a); b++) /*Printing the indentation space*/
{
cout << " ";
}
for (int c = 0; c <= a; c++) /*Finding value of binomial coefficient*/
{
cout << " " << value;
value = value * (a - c) / (c + 1);
}
cout << endl << endl;
}
cout << endl;
return 0;
}
Output
Enter the number of rows : 5
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1