rt，求调，玄关

#include <bits/stdc++.h>
using namespace std;
const int N=1e4+5;
int a[N];
int b[N];
int c[N];
int main(){
	int n,sum=0,win=0,lose=0,pin=0;
	cin>>n;
	for(int i=1;i<=n;i++)	c[i]=1e9;
	for(int i=1;i<=n;i++)	cin>>a[i];
	for(int i=1;i<=n;i++)	cin>>b[i];
	for(int i=1;i<=n;i++){
		if(a[i]<=b[i]){
			if(a[i]<b[i]){
				lose++;
				c[i]=b[i]-a[i]+1;
			}	
				
			else{
				pin+=1;
			} 
		}
		else{
			win++;
		}
	}
	int ii;
	sort(c+1,c+n+1);
	
	if(win==lose&&pin>0)	sum=1;
	else if(win==lose&&pin==0){
		ii=1;
		while(win<=lose){
			sum+=c[ii];
			ii++;
		}
	}
	else if(win<lose&&pin>0){
		ii=1;
		while(pin>0||win<=lose){
			sum+=1;
			win+=1;
			pin--;
		}
		if(pin==0&&win<=lose){
			while(win<=lose){
				sum+=c[ii];
				ii++;
			}
		}
	}
	else{
		ii=1;
		while(win<=lose){
				sum+=c[ii];
				ii++;
		}
	}
	cout<<sum;
}