답안 #255560

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
255560	2020-08-01T08:40:00 Z	Hehehe	장난감 기차 (IOI17_train)	C++14	100 / 100	424 ms	1536 KB

train

#include "train.h"
#include<bits/stdc++.h> //:3
using namespace std;
typedef long long ll;
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define pi pair<long double, long double>
#define sz(x) (int)((x).size())

const int N = 5e3 + 11;
int n, m;
int ok[N], DEG[N], deg[N], a[N], r[N], viz[N], station[N], prv[N], flag;
vector<int>adj[N];

void bfs(){

    for(int i = 0; i < n; i++){
        viz[i] = 0;
        prv[i] = ok[i];
        station[i] = 0;
        deg[i] = DEG[i];
    }

    queue<int>q;

    for(int i = 0; i < n; i++){
        if(!ok[i] || !r[i])continue;
            
        for(auto it : adj[i]){
            if(viz[it])continue;
            
            if(a[it] || !(--deg[it])){
                viz[it] = 1;
                q.push(it);
            }
        }
        
        station[i] = 1;
    }

    for(int i = 0; i < n; i++)ok[i] = 0;

    while(!q.empty()){

        int i = q.front();
        q.pop();

        ok[i] = 1;
        if(station[i])continue;

        for(auto it : adj[i]){
            if(viz[it])continue;

            if(a[it] || !(--deg[it])){
                viz[it] = 1;
                q.push(it);
            }
        }
    }

    int fl = 0;
    for(int i = 0; i < n; i++){
        if(ok[i] != prv[i])fl = 1;
    }

    if(!fl)flag = 1;
}

vector<int> who_wins(vector<int> A, vector<int> R, vector<int> u, vector<int> v){

    n = sz(A);
    m = sz(u);

    for(int i = 0; i < n; i++){
        r[i] = R[i];
        a[i] = A[i];
    }

    for(int i = 0; i < m; i++){
        adj[v[i]].push_back(u[i]);
    }

    for(int i = 0; i < n; i++){
        for(auto it : adj[i]){
            DEG[it]++;
        }
    }

    memset(ok, 1, sizeof(ok));

    for(int i = 0; i < n && !flag; i++){
        bfs();
    }

    vector<int> res;
    for(int i = 0;i < n; i++){
        res.push_back(ok[i]);
    }

    return res;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1024 KB	Output is correct
2	Correct	10 ms	1024 KB	Output is correct
3	Correct	6 ms	1024 KB	Output is correct
4	Correct	7 ms	1076 KB	Output is correct
5	Correct	7 ms	1016 KB	Output is correct
6	Correct	6 ms	1024 KB	Output is correct
7	Correct	5 ms	1024 KB	Output is correct
8	Correct	6 ms	1024 KB	Output is correct
9	Correct	5 ms	1024 KB	Output is correct
10	Correct	5 ms	1024 KB	Output is correct
11	Correct	4 ms	1024 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	512 KB	Output is correct
2	Correct	0 ms	512 KB	Output is correct
3	Correct	0 ms	512 KB	Output is correct
4	Correct	0 ms	512 KB	Output is correct
5	Correct	0 ms	512 KB	Output is correct
6	Correct	0 ms	512 KB	Output is correct
7	Correct	1 ms	512 KB	Output is correct
8	Correct	1 ms	512 KB	Output is correct
9	Correct	1 ms	512 KB	Output is correct
10	Correct	0 ms	512 KB	Output is correct
11	Correct	1 ms	512 KB	Output is correct
12	Correct	0 ms	512 KB	Output is correct
13	Correct	0 ms	512 KB	Output is correct
14	Correct	1 ms	512 KB	Output is correct
15	Correct	0 ms	512 KB	Output is correct
16	Correct	1 ms	512 KB	Output is correct
17	Correct	1 ms	512 KB	Output is correct
18	Correct	1 ms	512 KB	Output is correct
19	Correct	1 ms	512 KB	Output is correct
20	Correct	0 ms	512 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	64 ms	1272 KB	Output is correct
2	Correct	112 ms	1528 KB	Output is correct
3	Correct	145 ms	1408 KB	Output is correct
4	Correct	9 ms	1408 KB	Output is correct
5	Correct	11 ms	1408 KB	Output is correct
6	Correct	9 ms	1408 KB	Output is correct
7	Correct	8 ms	1408 KB	Output is correct
8	Correct	11 ms	1396 KB	Output is correct
9	Correct	7 ms	1408 KB	Output is correct
10	Correct	8 ms	1408 KB	Output is correct
11	Correct	7 ms	1400 KB	Output is correct
12	Correct	7 ms	1408 KB	Output is correct
13	Correct	9 ms	1408 KB	Output is correct
14	Correct	9 ms	1408 KB	Output is correct
15	Correct	9 ms	1408 KB	Output is correct
16	Correct	11 ms	1408 KB	Output is correct
17	Correct	8 ms	1408 KB	Output is correct
18	Correct	187 ms	1160 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	1152 KB	Output is correct
2	Correct	7 ms	1408 KB	Output is correct
3	Correct	8 ms	1408 KB	Output is correct
4	Correct	8 ms	1408 KB	Output is correct
5	Correct	8 ms	1408 KB	Output is correct
6	Correct	8 ms	1408 KB	Output is correct
7	Correct	9 ms	1408 KB	Output is correct
8	Correct	7 ms	1408 KB	Output is correct
9	Correct	9 ms	1408 KB	Output is correct
10	Correct	8 ms	1408 KB	Output is correct
11	Correct	8 ms	1408 KB	Output is correct
12	Correct	9 ms	1408 KB	Output is correct
13	Correct	8 ms	1408 KB	Output is correct
14	Correct	8 ms	1408 KB	Output is correct

Subtask #5
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	10 ms	1280 KB	Output is correct
2	Correct	8 ms	1280 KB	Output is correct
3	Correct	8 ms	1280 KB	Output is correct
4	Correct	12 ms	1152 KB	Output is correct
5	Correct	1 ms	512 KB	Output is correct
6	Correct	5 ms	896 KB	Output is correct
7	Correct	5 ms	896 KB	Output is correct
8	Correct	5 ms	1024 KB	Output is correct
9	Correct	6 ms	1152 KB	Output is correct
10	Correct	2 ms	640 KB	Output is correct
11	Correct	8 ms	1024 KB	Output is correct

Subtask #6
51.0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	1024 KB	Output is correct
2	Correct	10 ms	1024 KB	Output is correct
3	Correct	6 ms	1024 KB	Output is correct
4	Correct	7 ms	1076 KB	Output is correct
5	Correct	7 ms	1016 KB	Output is correct
6	Correct	6 ms	1024 KB	Output is correct
7	Correct	5 ms	1024 KB	Output is correct
8	Correct	6 ms	1024 KB	Output is correct
9	Correct	5 ms	1024 KB	Output is correct
10	Correct	5 ms	1024 KB	Output is correct
11	Correct	4 ms	1024 KB	Output is correct
12	Correct	0 ms	512 KB	Output is correct
13	Correct	0 ms	512 KB	Output is correct
14	Correct	0 ms	512 KB	Output is correct
15	Correct	0 ms	512 KB	Output is correct
16	Correct	0 ms	512 KB	Output is correct
17	Correct	0 ms	512 KB	Output is correct
18	Correct	1 ms	512 KB	Output is correct
19	Correct	1 ms	512 KB	Output is correct
20	Correct	1 ms	512 KB	Output is correct
21	Correct	0 ms	512 KB	Output is correct
22	Correct	1 ms	512 KB	Output is correct
23	Correct	0 ms	512 KB	Output is correct
24	Correct	0 ms	512 KB	Output is correct
25	Correct	1 ms	512 KB	Output is correct
26	Correct	0 ms	512 KB	Output is correct
27	Correct	1 ms	512 KB	Output is correct
28	Correct	1 ms	512 KB	Output is correct
29	Correct	1 ms	512 KB	Output is correct
30	Correct	1 ms	512 KB	Output is correct
31	Correct	0 ms	512 KB	Output is correct
32	Correct	64 ms	1272 KB	Output is correct
33	Correct	112 ms	1528 KB	Output is correct
34	Correct	145 ms	1408 KB	Output is correct
35	Correct	9 ms	1408 KB	Output is correct
36	Correct	11 ms	1408 KB	Output is correct
37	Correct	9 ms	1408 KB	Output is correct
38	Correct	8 ms	1408 KB	Output is correct
39	Correct	11 ms	1396 KB	Output is correct
40	Correct	7 ms	1408 KB	Output is correct
41	Correct	8 ms	1408 KB	Output is correct
42	Correct	7 ms	1400 KB	Output is correct
43	Correct	7 ms	1408 KB	Output is correct
44	Correct	9 ms	1408 KB	Output is correct
45	Correct	9 ms	1408 KB	Output is correct
46	Correct	9 ms	1408 KB	Output is correct
47	Correct	11 ms	1408 KB	Output is correct
48	Correct	8 ms	1408 KB	Output is correct
49	Correct	187 ms	1160 KB	Output is correct
50	Correct	7 ms	1152 KB	Output is correct
51	Correct	7 ms	1408 KB	Output is correct
52	Correct	8 ms	1408 KB	Output is correct
53	Correct	8 ms	1408 KB	Output is correct
54	Correct	8 ms	1408 KB	Output is correct
55	Correct	8 ms	1408 KB	Output is correct
56	Correct	9 ms	1408 KB	Output is correct
57	Correct	7 ms	1408 KB	Output is correct
58	Correct	9 ms	1408 KB	Output is correct
59	Correct	8 ms	1408 KB	Output is correct
60	Correct	8 ms	1408 KB	Output is correct
61	Correct	9 ms	1408 KB	Output is correct
62	Correct	8 ms	1408 KB	Output is correct
63	Correct	8 ms	1408 KB	Output is correct
64	Correct	10 ms	1280 KB	Output is correct
65	Correct	8 ms	1280 KB	Output is correct
66	Correct	8 ms	1280 KB	Output is correct
67	Correct	12 ms	1152 KB	Output is correct
68	Correct	1 ms	512 KB	Output is correct
69	Correct	5 ms	896 KB	Output is correct
70	Correct	5 ms	896 KB	Output is correct
71	Correct	5 ms	1024 KB	Output is correct
72	Correct	6 ms	1152 KB	Output is correct
73	Correct	2 ms	640 KB	Output is correct
74	Correct	8 ms	1024 KB	Output is correct
75	Correct	112 ms	1408 KB	Output is correct
76	Correct	141 ms	1528 KB	Output is correct
77	Correct	187 ms	1408 KB	Output is correct
78	Correct	191 ms	1408 KB	Output is correct
79	Correct	185 ms	1408 KB	Output is correct
80	Correct	9 ms	1536 KB	Output is correct
81	Correct	10 ms	1408 KB	Output is correct
82	Correct	10 ms	1408 KB	Output is correct
83	Correct	14 ms	1408 KB	Output is correct
84	Correct	11 ms	1536 KB	Output is correct
85	Correct	10 ms	1408 KB	Output is correct
86	Correct	12 ms	1404 KB	Output is correct
87	Correct	9 ms	1408 KB	Output is correct
88	Correct	16 ms	1408 KB	Output is correct
89	Correct	9 ms	1408 KB	Output is correct
90	Correct	18 ms	1408 KB	Output is correct
91	Correct	19 ms	1408 KB	Output is correct
92	Correct	32 ms	1408 KB	Output is correct
93	Correct	30 ms	1536 KB	Output is correct
94	Correct	29 ms	1408 KB	Output is correct
95	Correct	33 ms	1408 KB	Output is correct
96	Correct	67 ms	1376 KB	Output is correct
97	Correct	221 ms	1464 KB	Output is correct
98	Correct	400 ms	1408 KB	Output is correct
99	Correct	424 ms	1408 KB	Output is correct
100	Correct	198 ms	1152 KB	Output is correct

답안 #255560

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 10.0 / 10.0

Subtask #3 11.0 / 11.0

Subtask #4 11.0 / 11.0

Subtask #5 12.0 / 12.0

Subtask #6 51.0 / 51.0

Subtask #1
5.0 / 5.0

Subtask #2
10.0 / 10.0

Subtask #3
11.0 / 11.0

Subtask #4
11.0 / 11.0

Subtask #5
12.0 / 12.0

Subtask #6
51.0 / 51.0