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# Author Problem Lang Verdict Time Memory Sent Judged  
198860078 Practice:
Hs1534 		1809B - 9 Python 3 Accepted 140 ms 0 KB 2023-03-23 23:28:56 2023-03-25 00:42:57
→ Source 
import math
for _ in range(int(input())):
    n = int(input())
    def sol(n):
        m = math.floor(math.sqrt(n))
        if m*m >= n:
            return m-1
        else:
            return m
    print(sol(n))
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