hdu 6182

A Math Problem

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 88    Accepted Submission(s): 45

Problem Description

You are given a positive integer n, please count how many positive integers k satisfy kk≤n.

 

 

Input

There are no more than 50 test cases.

Each case only contains a positivse integer n in a line.

1≤n≤1018

 

 

Output

For each test case, output an integer indicates the number of positive integers k satisfy kk≤n in a line.

 

 

Sample Input

1 4

 

 

Sample Output

1 2

 

数据就那么几个 打一下表就可以了

A Math Problem

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 88    Accepted Submission(s): 45


Problem Description
You are given a positive integer n, please count how many positive integers k satisfy kk≤n.
 

Input
There are no more than 50 test cases.

Each case only contains a positivse integer n in a line.

1≤n≤1018
 

Output
For each test case, output an integer indicates the number of positive integers k satisfy kk≤n in a line.
 

Sample Input
1
4
 

Sample Output
1
2
 

Source
2017ACM/ICPC广西邀请赛-重现赛（感谢广西大学）