【USACO4-2-3】工序安排 贪心

原题

#include<iostream>
#include<algorithm>
#include<queue>
#include<cmath>
#include<cstdio>
#include<cstring>
#define inf 0x3f3f3f3f

using namespace std;

struct data
{
    int v,e;
    bool operator<(const data &a)const{return e>a.e;} 
};

priority_queue<data> q;
int s[10009];
int n,m1,m2,v,minn1=-inf,minn2=-inf;

bool cmp(int a,int b){return a>b;} 
int main()
{
    scanf("%d%d%d",&n,&m1,&m2);
    for (int i=1;i<=m1;i++) scanf("%d",&v),q.push((data){v,v});
    for (int i=1;i<=n;i++)
    {
        data t=q.top();q.pop();
        s[i]=t.e;minn1=max(minn1,s[i]);t.e+=t.v;q.push(t);
    }
    while(!q.empty()) q.pop();
    sort(s+1,s+n+1,cmp);
    for (int i=1;i<=m2;i++) scanf("%d",&v),q.push((data){v,v}); 
    for (int i=1;i<=n;i++)
    {
        data t=q.top();q.pop();
        t.e+=t.v;q.push(t);
        minn2=max(minn2,s[i]+t.e-t.v);
    }
    printf("%d %d\n",minn1,minn2);
    return 0;
}

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转载自blog.csdn.net/dadatu_zhao/article/details/80443544