class Solution {
public:
vector<int> getRow(int rowIndex) {
vector<int> result;
for(int i = 0; i <= rowIndex; ++i){
result.push_back(1);
for(int j = i - 1; j > 0; --j){
result[j] += result[j - 1];
}
}
return result;
}
};
class Solution {
public:
vector<int> getRow(int rowIndex) {
vector<int> res(rowIndex+1,0);
res[0]=1;
for(int i=1;i<rowIndex+1;i++)
{
for(int j=i;j>=1;j--)
res[j]=res[j]+res[j-1];//数组未定义数据默认为0
}
return res;
}
};