119. Pascal's Triangle II
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Given an index k, return the kth row of the Pascal's triangle.
For example, given k = 3,
Return [1,3,3,1]
.
class Solution
{
public:
vector<int> getRow(int rowIndex)
{
vector<int> last(1,1);
vector<int> ret;
if(rowIndex<0)
return ret;
if(rowIndex==0)
return last;
for(int i=1;i<=rowIndex;i++)
{
last.push_back(0);
ret=last;
for(int j=1;j<=i;j++)
{
ret[j]=last[j]+last[j-1];
}
last=ret;
}
return ret;
}
};
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- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
- 119. Pascal's Triangle II
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