tijie

#include<bits/stdc++.h>
using namespace std;
int a[100001],b[100001],c[100001],t[100001],minn=0x3f3f3f3f;
int main(){
    int n;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n;i++){
        cin>>b[i];
        c[i]=a[i]-b[i];
        minn=min(minn,c[i]);
    }
    minn=abs(minn)+1;
    sort(c+1,c+n+1);
    int maxx=-1;
    for(int i=1;i<=n;i++){
        c[i]+=minn;
        t[c[i]]++;
        maxx=max(maxx,c[i]);
    }
    for(int i=1;i<=maxx;i++){
        if(t[i]) cout<<i-minn<<" "<<t[i]<<'\n';
    }
    return 0;
}