BZOJ 1216 操作系统(堆)

用堆模拟题目中的操作即可。

# include <cstdio>
# include <cstring>
# include <cstdlib>
# include <iostream>
# include <vector>
# include <queue>
# include <stack>
# include <map>
# include <set>
# include <cmath>
# include <algorithm>
using namespace std;
# define lowbit(x) ((x)&(-x))
# define pi acos(-1.0)
# define eps 1e-9
# define MOD 1000000000
# define INF 1000000000
# define mem(a,b) memset(a,b,sizeof(a))
# define FOR(i,a,n) for(int i=a; i<=n; ++i)
# define FO(i,a,n) for(int i=a; i<n; ++i)
# define bug puts("H");
# define lch p<<1,l,mid
# define rch p<<1|1,mid+1,r
# define mp make_pair
# define pb push_back
typedef pair<int,int> PII;
typedef vector<int> VI;
# pragma comment(linker, "/STACK:1024000000,1024000000")
typedef long long LL;
int Scan() {
    int x=0,f=1;char ch=getchar();
    while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
    while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
    return x*f;
}
void Out(int a) {
    if(a<0) {putchar('-'); a=-a;}
    if(a>=10) Out(a/10);
    putchar(a%10+'0');
}
const int N=20005;
//Code begin...

struct node{
    int id, to, t, now, level;
    node(int _id=0, int _to=0, int _t=0, int _level=0):id(_id),to(_to),t(_t),level(_level){}
    bool operator <(const node&r)const{
        if (level!=r.level) return level<r.level;
        return to>r.to;
    }
};
priority_queue<node>que;

int main ()
{
    node tmp;
    int id, to, t, level, f=0;
    while (~scanf("%d%d%d%d",&id,&to,&t,&level)) {
        while (!que.empty()) {
            tmp=que.top(); que.pop();
            if (tmp.t<=to-f) f+=tmp.t, printf("%d %d
",tmp.id,f);
            else {tmp.t-=(to-f); que.push(tmp); break;}
        }
        f=to;
        que.push(node(id,to,t,level));
    }
    while (!que.empty()) {
        tmp=que.top(); que.pop();
        f+=tmp.t;
        printf("%d %d
",tmp.id,f);
    }
    return 0;
}