Module: 带条件的循环语句 - while


Problem

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二进制对数

Problem

给定一个自然数 N 打印最小的整数 k使得 \(2^k > ;= N.\) 不能使用升幂！

输入 
输入一个自然数 N。

印记 
打印问题的答案。
 

 

例子
<头> <正文>

time 1000 ms
memory 256 Mb
Rules for program design and list of errors in automatic problem checking

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