UVa12100,Printer Queue

水题,1A过的

数据才100,o(n^3)都能过,感觉用优先队列来做挺麻烦的,直接暴力就可以了,模拟的队列,没用stl

#include <iostream>
#include <cstdio>
#include <string>
#include <cstring>
#include <queue>
#define maxn 100+5
using namespace std;
int mid[maxn],v[maxn],q[maxn*maxn],ans;
int n,m,id;
int init(){
    memset(mid,0,sizeof(mid));
    memset(v,0,sizeof(v));
    memset(q,0,sizeof(q));
    cin>>n>>m;
    id=0;ans=0;
    for (int i=0;i<n;i++){
        mid[i]=i;
        cin>>v[i];
    }
}
int find_max(){
    int max=0;
    for (int i=0;i<n;i++)
        max=v[i]>max?v[i]:max;
    return max;
}
int work(){
    int head,tail,max;
    head=0;tail=n-1;
    for (int i=0;i<n;i++)
        q[i]=i;
    while (head<tail){
        int t=find_max();
        if (q[head]==m&&t==v[m]){
            break;
        }else if (v[q[head]]==t) {
            v[q[head]]=0;
            head++;
            ans++;
        }else {
            tail++;
            q[tail]=q[head];
            head++;
        }
    }
}
int main()
{
    int T;
    cin>>T;
    while (T-->0){
        init();
        work();
        cout<<ans+1<<endl;
    }
}
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posted @ 2014-07-24 16:20  ACBingo  阅读(414)  评论(0编辑  收藏  举报