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P2827 蚯蚓

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tp()函数中的ans一开始初始化大了,然后玄学RE-->TLE-->WA

STL暴力

#include<bits/stdc++.h>
using namespace std;
priority_queue<int>q;
int n,m,qt,u,v,t,a,cnt;
double p;
int main()
{
    scanf("%d%d%d%d%d%d",&n,&m,&qt,&u,&v,&t);p=(double)u/v;
    for(int i=1;i<=n;i++){scanf("%d",&a);q.push(a);}
    for(int i=1;i<=m;i++)
    {
        int top=q.top()+(i-1)*qt;
        q.pop();
        int a1=floor(p*(double)top),a2=top-a1;
        if(i%t==0)cout<<top<<" ";
        q.push(a1-i*qt);q.push(a2-i*qt);
    }cout<<endl;
    while(!q.empty())
    {
        ++cnt;
        if(cnt%t==0)cout<<q.top()+m*qt<<" ";
        q.pop();
    }
}

三队列模拟

#include<bits/stdc++.h>
using namespace std;
int n,m,qt,u,v,t,a,cnt,tot,h[100100];
double p;
int cmp(int a,int b){return a>b;}
queue<int>q1;queue<int>q2;queue<int>q3;
int tp()
{
    int ans=-2147483647,flg=0;
    if(!q1.empty()&&ans<q1.front()){ans=q1.front();flg=1;}
    if(!q2.empty()&&ans<q2.front()){ans=q2.front();flg=2;}
    if(!q3.empty()&&ans<q3.front()){ans=q3.front();flg=3;}
    if(flg==1)q1.pop();
    if(flg==2)q2.pop();
    if(flg==3)q3.pop();
    return ans;
}
int main()
{
    scanf("%d%d%d%d%d%d",&n,&m,&qt,&u,&v,&t);
    p=(double)u/v;
    for(int i=1;i<=n;i++){scanf("%d",&h[i]);}
    sort(h+1,h+1+n,cmp);
    for(int i=1;i<=n;i++)q1.push(h[i]);
    for(int i=1;i<=m;i++)
    {
        tot=tp()+(i-1)*qt;
        int a1=floor(p*(double)tot),a2=tot-a1;
        a1-=i*qt;a2-=i*qt;
        if(i%t==0)cout<<tot<<" ";
        q2.push(a1);q3.push(a2);
    }
    cout<<endl;
    while(!q1.empty()||!q2.empty()||!q3.empty())
    {
        ++cnt;tot=tp();
        if(cnt%t==0)cout<<tot+m*qt<<" ";
    }
}

 

posted @ 2019-07-26 23:17  SFWR  Views(145)  Comments(0Edit  收藏  举报