#include <bits/stdc++.h>
#pragma GCC target ("avx,avx2,fma")
#pragma GCC optimize ("O2")
#pragma GCC optimize ("unroll-loops")
#define X first
#define Y second
#define debug(x) cerr << #x << ": " << x << endl;
#define endl '\n'
#define pb push_back
#define rep(i,l,r) for (int i=l; i<r; i++)
#define repr(i,r,l) for (int i=r; i>=l; i--)
using namespace std;
typedef long long ll;
typedef pair<int,int> pll;
const long long int N = 1e6+20,mod = 1e9+7,inf=1e9+1;
int lis[N],a[N],b[N];
int main(){
ios :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
int q;
cin >> q;
rep(j,1,q+1){
memset(lis,63,sizeof lis);
lis[0] = 0;
int p,x;
cin >> p >> x;
rep(i,1,p)
b[i] = a[i];
b[p] = x;
rep(i,p+1,j+1)
b[i] = a[i-1];
int ans = 0;
rep(i,1,j+1){
a[i] = b[i];
int ind = lower_bound(lis,lis+j+1,a[i])-lis;
lis[ind] = a[i];
ans = max(ans,ind);
}
cout << ans << endl;
}
}
