Pascal's Triangle II

 // 4ms
 1 class Solution {
 2 public:
 3     vector<int> getRow(int rowIndex) {
 4         // Start typing your C/C++ solution below
 5         // DO NOT write int main() function
 6         vector<int> v;
 7         v.push_back(1);
 8         if(rowIndex==0)
 9             return v;
10         v.push_back(1);
11         if(rowIndex==1)
12             return v;
13         int i;
14         int t,q;
15         for(int j=1;j<rowIndex;j++)
16         {
17             t=v[0];
18             for(i=1;i<=j;i++)
19             {                
20                 q=v[i];
21                 v[i]=t+v[i];
22                 t=q;              
23             }
24             v.push_back(1);
25         }
26         return v;
27     }
28 };
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原文地址：https://www.cnblogs.com/mengqingzhong/p/3115484.html