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// @Title: 杨辉三角 II (Pascal's Triangle II)
// @Author: 15816537946@163.com
// @Date: 2021-02-12 22:57:12
// @Runtime: 0 ms
// @Memory: 2 MB
func getRow(rowIndex int) []int {
	C := make([][]int, rowIndex+1)
	for i := range C {
		C[i] = make([]int, i+1)
		C[i][0], C[i][i] = 1, 1
		for j := 1; j < i; j++ {
			C[i][j] = C[i-1][j-1] + C[i-1][j]
		}
	}
	return C[rowIndex]
}