class Solution {
public:
vector<int> getRow(int rowIndex) {
int numRows = rowIndex+1; // 根據118去改
vector<vector<int>> dp(numRows);
for (int i = 0; i < numRows; i++) {
dp[i].resize(i + 1);
dp[i][0] = dp[i][i] = 1; // 每行最左最右都是 1
for (int j = 1; j < i; j++) {
dp[i][j] = dp[i - 1][j - 1] + dp[i - 1][j];
}
}
return dp[rowIndex];
}
};