力扣470. 用 Rand7() 实现 Rand10()

class Solution:
    def rand10(self) -> int:
        while True:
            row = rand7()
            col = rand7()
            idx = (row - 1) * 7 + col
            if idx <= 40:
                return 1 + (idx - 1) % 10

# 作者：LeetCode-Solution
# 链接：https://leetcode-cn.com/problems/implement-rand10-using-rand7/solution/yong-rand7-shi-xian-rand10-by-leetcode-s-qbmd/
# 来源：力扣（LeetCode）
# 著作权归作者所有。商业转载请联系作者获得授权，非商业转载请注明出处。

 官方题解答案

标签：idx,题解,Rand10,while,rand7,力扣,470,col,row
来源： https://blog.csdn.net/qq_40665593/article/details/120121166