119. Pascal's Triangle II

 1 static int wing=[]()
 2 {
 3     std::ios::sync_with_stdio(false);
 4     cin.tie(NULL);
 5     return 0;
 6 }();
 7 
 8 class Solution 
 9 {
10 public:
11     vector<int> getRow(int rowIndex) 
12     {
13         vector<int> res(rowIndex+1,0);
14         res[0]=1;
15         for(int i=1;i<rowIndex+1;i++)
16             for(int j=i;j>=1;j--)
17                 res[j]+=res[j-1];
18         return res;    
19     }
20 };