// Source : https://oj.leetcode.com/problems/pascals-triangle/
// Author : Hao Chen
// Date   : 2014-06-18

/********************************************************************************** 
* 
* Given numRows, generate the first numRows of Pascal's triangle.
* 
* For example, given numRows = 5,
* Return
* 
* [
*      [1],
*     [1,1],
*    [1,2,1],
*   [1,3,3,1],
*  [1,4,6,4,1]
* ]
* 
*               
**********************************************************************************/

#include 
#include 
#include 
using namespace std;

vector generate(int numRows) 
{
    vector pascalTriangle;
    for (int i=0; i