Pascal's Triangle II

 // 4ms
 1 class Solution {
public:
    vector<int> getRow(int rowIndex) {
        // Start typing your C/C++ solution below
        // DO NOT write int main() function
        vector<int> v;
        v.push_back(1);
        if(rowIndex==0)
            return v;
        v.push_back(1);
        if(rowIndex==1)
            return v;
        int i;
        int t,q;
        for(int j=1;j<rowIndex;j++)
        {
            t=v[0];
            for(i=1;i<=j;i++)
            {                
                q=v[i];
                v[i]=t+v[i];
                t=q;              
            }
            v.push_back(1);
        }
        return v;
    }
};