记录编号	568265	评测结果	AAAAAAAAAA
题目名称	烤鸡翅	最终得分	100
用户昵称	yrtiop	是否通过	通过
代码语言	C++	运行时间	0.159 s
提交时间	2021-12-22 13:17:40	内存使用	3.21 MiB

#include <cstdio>
#include <cstring>
#include <algorithm>
#include <queue>
using namespace std;
const int maxn = 3e5 + 5;
int n,a[maxn],c[maxn];
priority_queue<int> q;
int main() {
    freopen("wing.in","r",stdin);
    freopen("wing.out","w",stdout);
    scanf("%d",&n);
    for(int i = 1;i <= n;++ i)scanf("%d",&a[i]);
    for(int i = 1;i <= n;++ i)scanf("%d",&c[i]);
    long long sum = 0;
    long long ans = 0;
    for(int i = 1;i <= n;++ i) {
        sum += a[i];
        if(sum >= c[i]) {
            ++ ans;
            sum -= c[i];
            q.push(c[i]);
        }
        else {
            if(q.empty())continue ;
            int v = q.top();
            if(v > c[i]) {
                q.pop();
                sum += v - c[i];
                q.push(c[i]);
            }
        }
    }
    printf("%lld",ans);
    fclose(stdin);
    fclose(stdout);
    return 0;
}