답안 #210870

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
210870	2020-03-18T23:58:50 Z	HNO2	Job Scheduling (IOI19_job)	C++17	24 / 100	300 ms	36560 KB

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
const int maxn=2e5+7;
const int inf=INT_MAX;
const ll inff=1e18;
const ll mod=1e9+7;
#define pii pair<int,int>
#define mkp make_pair
#define F first
#define S second
#define pb push_back
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(),(v).end()
//#define int ll

#ifdef HNO2
#define IOS
#else
#include <job.h>
#define endl '\n'
#define IOS ios::sync_with_stdio(0); cin.tie(0);
#endif // HNO2

vector<int> G[maxn];
ll cost[maxn],t[maxn];
ll summ[maxn];

void dfs(int now,int p)
{
    summ[now]+=cost[now];
    for (int i:G[now])
        if (i!=p) dfs(i,now),summ[now]+=summ[i];
}

struct frac
{
    int x,y,id;
    frac():x(0),y(0),id(0){}
    frac(int _x,int _y,int _id):x(_x),y(_y),id(_id){}
    bool operator<(const frac &rhs)const
    {
        return x*1ll*rhs.y<y*1ll*rhs.x;
    }
    bool operator>(const frac &rhs)const
    {
        return x*1ll*rhs.y>y*1ll*rhs.x;
    }
};

long long scheduling_cost(std::vector<int> P, std::vector<int> U, std::vector<int> D)
{
    int n=sz(P);
    for (int i=1;i<n;i++)
        G[P[i]+1].pb(i+1);
    for (int i=1;i<=n;i++) t[i]=D[i-1],cost[i]=U[i-1];

    dfs(1,-1);

    priority_queue<frac> pq;
    pq.push(frac(summ[1],t[1],1));

    ll sum=0,ret=0;

    while (!pq.empty())
    {
        frac now=pq.top();
        pq.pop();
        sum+=t[now.id];
        ret+=cost[now.id]*sum;
        for (int i:G[now.id])
            pq.push(frac(summ[i],t[i],i));
    }
    return ret;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	4984 KB	Output is correct
2	Correct	9 ms	4988 KB	Output is correct
3	Correct	11 ms	5112 KB	Output is correct
4	Correct	9 ms	5112 KB	Output is correct
5	Correct	45 ms	12092 KB	Output is correct
6	Correct	76 ms	19064 KB	Output is correct
7	Correct	122 ms	26212 KB	Output is correct
8	Correct	159 ms	36560 KB	Output is correct
9	Correct	156 ms	36344 KB	Output is correct
10	Correct	151 ms	36316 KB	Output is correct
11	Correct	11 ms	5112 KB	Output is correct
12	Correct	152 ms	36328 KB	Output is correct
13	Correct	151 ms	36480 KB	Output is correct
14	Correct	153 ms	36472 KB	Output is correct
15	Correct	158 ms	36344 KB	Output is correct
16	Correct	162 ms	36444 KB	Output is correct
17	Correct	161 ms	36472 KB	Output is correct
18	Correct	162 ms	36316 KB	Output is correct
19	Correct	154 ms	36344 KB	Output is correct
20	Correct	155 ms	36344 KB	Output is correct

Subtask #2
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	4984 KB	Output is correct
2	Correct	10 ms	5140 KB	Output is correct
3	Correct	10 ms	4984 KB	Output is correct
4	Correct	193 ms	19048 KB	Output is correct
5	Correct	207 ms	20812 KB	Output is correct
6	Correct	208 ms	20840 KB	Output is correct
7	Correct	210 ms	20856 KB	Output is correct
8	Correct	205 ms	20740 KB	Output is correct
9	Correct	190 ms	20840 KB	Output is correct
10	Correct	198 ms	20844 KB	Output is correct
11	Correct	191 ms	20840 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	4984 KB	Output is correct
2	Correct	11 ms	5140 KB	Output is correct
3	Correct	9 ms	4984 KB	Output is correct
4	Correct	10 ms	5112 KB	Output is correct
5	Correct	17 ms	5880 KB	Output is correct
6	Correct	216 ms	19304 KB	Output is correct
7	Correct	227 ms	21352 KB	Output is correct
8	Correct	200 ms	21352 KB	Output is correct
9	Correct	210 ms	21352 KB	Output is correct
10	Correct	9 ms	5112 KB	Output is correct
11	Correct	11 ms	5200 KB	Output is correct
12	Correct	18 ms	6008 KB	Output is correct
13	Correct	18 ms	6008 KB	Output is correct
14	Correct	211 ms	21352 KB	Output is correct
15	Correct	300 ms	21480 KB	Output is correct
16	Correct	212 ms	21344 KB	Output is correct
17	Correct	236 ms	21356 KB	Output is correct
18	Correct	203 ms	21352 KB	Output is correct
19	Correct	249 ms	21460 KB	Output is correct
20	Correct	202 ms	21352 KB	Output is correct
21	Correct	212 ms	21352 KB	Output is correct
22	Correct	203 ms	21352 KB	Output is correct
23	Correct	207 ms	21480 KB	Output is correct
24	Correct	207 ms	21368 KB	Output is correct

Subtask #4
0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	9 ms	4984 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	10 ms	4984 KB	Output isn't correct
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	4984 KB	Output is correct
2	Correct	9 ms	4988 KB	Output is correct
3	Correct	11 ms	5112 KB	Output is correct
4	Correct	9 ms	5112 KB	Output is correct
5	Correct	45 ms	12092 KB	Output is correct
6	Correct	76 ms	19064 KB	Output is correct
7	Correct	122 ms	26212 KB	Output is correct
8	Correct	159 ms	36560 KB	Output is correct
9	Correct	156 ms	36344 KB	Output is correct
10	Correct	151 ms	36316 KB	Output is correct
11	Correct	11 ms	5112 KB	Output is correct
12	Correct	152 ms	36328 KB	Output is correct
13	Correct	151 ms	36480 KB	Output is correct
14	Correct	153 ms	36472 KB	Output is correct
15	Correct	158 ms	36344 KB	Output is correct
16	Correct	162 ms	36444 KB	Output is correct
17	Correct	161 ms	36472 KB	Output is correct
18	Correct	162 ms	36316 KB	Output is correct
19	Correct	154 ms	36344 KB	Output is correct
20	Correct	155 ms	36344 KB	Output is correct
21	Correct	10 ms	4984 KB	Output is correct
22	Correct	10 ms	5140 KB	Output is correct
23	Correct	10 ms	4984 KB	Output is correct
24	Correct	193 ms	19048 KB	Output is correct
25	Correct	207 ms	20812 KB	Output is correct
26	Correct	208 ms	20840 KB	Output is correct
27	Correct	210 ms	20856 KB	Output is correct
28	Correct	205 ms	20740 KB	Output is correct
29	Correct	190 ms	20840 KB	Output is correct
30	Correct	198 ms	20844 KB	Output is correct
31	Correct	191 ms	20840 KB	Output is correct
32	Correct	10 ms	4984 KB	Output is correct
33	Correct	11 ms	5140 KB	Output is correct
34	Correct	9 ms	4984 KB	Output is correct
35	Correct	10 ms	5112 KB	Output is correct
36	Correct	17 ms	5880 KB	Output is correct
37	Correct	216 ms	19304 KB	Output is correct
38	Correct	227 ms	21352 KB	Output is correct
39	Correct	200 ms	21352 KB	Output is correct
40	Correct	210 ms	21352 KB	Output is correct
41	Correct	9 ms	5112 KB	Output is correct
42	Correct	11 ms	5200 KB	Output is correct
43	Correct	18 ms	6008 KB	Output is correct
44	Correct	18 ms	6008 KB	Output is correct
45	Correct	211 ms	21352 KB	Output is correct
46	Correct	300 ms	21480 KB	Output is correct
47	Correct	212 ms	21344 KB	Output is correct
48	Correct	236 ms	21356 KB	Output is correct
49	Correct	203 ms	21352 KB	Output is correct
50	Correct	249 ms	21460 KB	Output is correct
51	Correct	202 ms	21352 KB	Output is correct
52	Correct	212 ms	21352 KB	Output is correct
53	Correct	203 ms	21352 KB	Output is correct
54	Correct	207 ms	21480 KB	Output is correct
55	Correct	207 ms	21368 KB	Output is correct
56	Incorrect	9 ms	4984 KB	Output isn't correct
57	Halted	0 ms	0 KB	-

답안 #210870

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 7.0 / 7.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 18.0

Subtask #5 0 / 21.0

Subtask #6 0 / 37.0

Subtask #1
5.0 / 5.0

Subtask #2
7.0 / 7.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 18.0

Subtask #5
0 / 21.0

Subtask #6
0 / 37.0