学步园

#include <iostream>
#include <vector>
using namespace std;

class Solution {
public:
    vector<int> getRow(int rowIndex) 
	{
		int k = rowIndex + 1;
		int *t = new int[k];
		memset(t, 0, sizeof(int) * k);

		t[0] = 1;
 	
 		for(int j = 0; j < rowIndex; ++j)
 		{
		 	for(int i = rowIndex; i > 0; --i)
 			{
       	 		t[i] = t[i] + t[i - 1];
   			}
	 	}
 		
 		vector<int> v(t, t+k);
		delete[] t;
 		return v;
    }
    
    void print(vector<int> &v)
    {
    	int len = v.size();
    	
    	for(int i = 0; i < len; ++i)
    		cout << v[i] << " ";
   		cout << endl;
	}
};

int main(void)
{
	Solution s;
	
	vector<int> v = s.getRow(2);
	s.print(v);
	
	return 0;
}