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Problem 1453 >> std
20220440216 @ 2024-07-20 21:07:02
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#include <bits/stdc++.h>

using i64 = long long;

void solve() {
i64 n;
std::cin >> n;

i64 x = std::sqrt(n);
while (x * x < n) {
x += 1;
}
while ((x - 1) * (x - 1) >= n) {
x -= 1;
}

x -= 1;

std::cout << x << "\n";
}

int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);

int t;
std::cin >> t;

while (t--) {
solve();
}

return 0;
}