#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#include<vector>
bool fun(pair<ll,ll>a,pair<ll,ll>b)
{
    if((a.second>b.second))
        return 1;
    return 0;
}
bool chec(ll n)
{
    ll x,c=n;
    while(c)
    {
        x=c%10;
        if(x!=0&&n%x!=0)
        {
            return false;
        }
        c=c/10;
    }
    return true;
}
int check(ll x)
{
    ll sum=0;
    while(x)
    {
        sum=sum+x%10;
        x=x/10;
    }
    return sum;
}
ll poww(ll sx,ll a)
{
    ll i,j=1;
    for(i=0;i<a;i++)
    {
        j=j*sx;
    }
    return j;
}
int main()
{
    ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	ll t;
	cin>>t;
	while(t--)
    {
        ll x,y=0;
        cin>>x;
        ll curr=0,i=1;
        while(curr<x)
        {
            curr=curr+i;
            i++;
        }
        if(curr==x+1)
            cout<<i<<endl;
        else
            cout<<i-1<<endl;
    }
}
