A Math ProblemTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1867 Accepted Submission(s): 519
Problem Description You are given a positive integer n, please count how many positive integers k satisfy $k^k \leq n$.
Input There are no more than 50 test cases.
Each case only contains a positivse integer n in a line.
$1 \leq n \leq 10^{18}$
Output For each test case, output an integer indicates the number of positive integers k satisfy $k^k \leq n$ in a line.
Sample Input
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