import std.stdio, std.array, std.string, std.conv, std.algorithm;
import std.typecons, std.range, std.random, std.math, std.container;
import std.numeric, std.bigint, core.bitop;

immutable long MOD = 998244353;

void main() {
    auto T = readln.chomp.to!int;

    while (T--) {
        auto N = readln.chomp.to!long;
        auto x = floor(sqrt(N*1.0L));
        if ((x + 1) * (x + 1) <= N) x+= 1;
        writeln(x);
    }
}