답안 #608672

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
608672	2022-07-27T09:00:12 Z	yanndev	장난감 기차 (IOI17_train)	C++17	100 / 100	702 ms	1136 KB

train

#include <bits/stdc++.h>
using namespace std;
 
const int MX = 5042;
 
int n;
int deg[MX];
int baseDeg[MX];
int nxt[2 * MX];
bool vis[MX];
bool vis2[MX];
bool isOk[MX];
bool isAlice[MX];
bool isCharge[MX];
vector<int> rgraph[MX];
 
bool BFS() {
    int start = 0;
    int end = 0;
    
    for (int i = 0; i < n; i++)
        deg[i] = baseDeg[i];
    for (int i = 0; i < n; i++) {
        if (isCharge[i] && isOk[i])
            nxt[end++] = i;
        vis[i] = vis2[i] = false;
    }
 
    //cout << layer << ' ' << (int)nxt.size() << '\n';
    
    while (start < end) {
        auto cur = nxt[start++];
        //cout << "cur is " << cur << '\n';
 
        if (vis[cur])
            continue;
        vis[cur] = true;
 
        for (auto& x: rgraph[cur]) {
            if (!vis2[x] && ((--deg[x] == 0) || isAlice[x])) {
                vis2[x] = true;
                nxt[end++] = x;
            }
        }
    }
 
    for (int i = 0; i < n; i++) {
        if (isOk[i] && !vis2[i]) {
            isOk[i] = false;
            return true;
        }
    }
 
    return false;
}
 
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    n = (int)a.size();
 
    for (int i = 0; i < (int)u.size(); i++) {
        rgraph[v[i]].push_back(u[i]);
        baseDeg[u[i]]++;
    }
    
    for (int i = 0; i < n; i++) {
        isAlice[i] = a[i];
        isCharge[i] = r[i];
        isOk[i] = true;
    }
 
    while (BFS());
 
    vector<int> ans (n);
    for (int i = 0; i < n; i++)
        ans[i] = isOk[i];
    return ans;
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	225 ms	844 KB	Output is correct
2	Correct	252 ms	852 KB	Output is correct
3	Correct	233 ms	852 KB	Output is correct
4	Correct	253 ms	832 KB	Output is correct
5	Correct	228 ms	848 KB	Output is correct
6	Correct	242 ms	844 KB	Output is correct
7	Correct	274 ms	820 KB	Output is correct
8	Correct	64 ms	852 KB	Output is correct
9	Correct	211 ms	812 KB	Output is correct
10	Correct	195 ms	784 KB	Output is correct
11	Correct	138 ms	796 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	0 ms	340 KB	Output is correct
3	Correct	0 ms	340 KB	Output is correct
4	Correct	0 ms	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	0 ms	340 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	340 KB	Output is correct
9	Correct	0 ms	468 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	0 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	173 ms	1116 KB	Output is correct
2	Correct	279 ms	1116 KB	Output is correct
3	Correct	344 ms	1112 KB	Output is correct
4	Correct	10 ms	1108 KB	Output is correct
5	Correct	174 ms	1092 KB	Output is correct
6	Correct	218 ms	1088 KB	Output is correct
7	Correct	8 ms	1108 KB	Output is correct
8	Correct	181 ms	1108 KB	Output is correct
9	Correct	36 ms	1052 KB	Output is correct
10	Correct	138 ms	1056 KB	Output is correct
11	Correct	167 ms	1036 KB	Output is correct
12	Correct	51 ms	1004 KB	Output is correct
13	Correct	6 ms	1108 KB	Output is correct
14	Correct	6 ms	1136 KB	Output is correct
15	Correct	6 ms	1108 KB	Output is correct
16	Correct	6 ms	1084 KB	Output is correct
17	Correct	6 ms	1108 KB	Output is correct
18	Correct	321 ms	888 KB	Output is correct

Subtask #4
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	980 KB	Output is correct
2	Correct	209 ms	1012 KB	Output is correct
3	Correct	160 ms	1048 KB	Output is correct
4	Correct	338 ms	1088 KB	Output is correct
5	Correct	328 ms	1092 KB	Output is correct
6	Correct	247 ms	1072 KB	Output is correct
7	Correct	283 ms	1064 KB	Output is correct
8	Correct	207 ms	1040 KB	Output is correct
9	Correct	198 ms	1044 KB	Output is correct
10	Correct	6 ms	1108 KB	Output is correct
11	Correct	6 ms	1108 KB	Output is correct
12	Correct	6 ms	1108 KB	Output is correct
13	Correct	294 ms	1076 KB	Output is correct
14	Correct	235 ms	1044 KB	Output is correct

Subtask #5
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	340 ms	1080 KB	Output is correct
2	Correct	6 ms	1108 KB	Output is correct
3	Correct	228 ms	1108 KB	Output is correct
4	Correct	6 ms	980 KB	Output is correct
5	Correct	1 ms	468 KB	Output is correct
6	Correct	40 ms	764 KB	Output is correct
7	Correct	18 ms	852 KB	Output is correct
8	Correct	21 ms	832 KB	Output is correct
9	Correct	23 ms	940 KB	Output is correct
10	Correct	2 ms	596 KB	Output is correct
11	Correct	9 ms	852 KB	Output is correct

Subtask #6
51.0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	225 ms	844 KB	Output is correct
2	Correct	252 ms	852 KB	Output is correct
3	Correct	233 ms	852 KB	Output is correct
4	Correct	253 ms	832 KB	Output is correct
5	Correct	228 ms	848 KB	Output is correct
6	Correct	242 ms	844 KB	Output is correct
7	Correct	274 ms	820 KB	Output is correct
8	Correct	64 ms	852 KB	Output is correct
9	Correct	211 ms	812 KB	Output is correct
10	Correct	195 ms	784 KB	Output is correct
11	Correct	138 ms	796 KB	Output is correct
12	Correct	0 ms	340 KB	Output is correct
13	Correct	0 ms	340 KB	Output is correct
14	Correct	0 ms	340 KB	Output is correct
15	Correct	0 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	0 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	0 ms	468 KB	Output is correct
21	Correct	1 ms	340 KB	Output is correct
22	Correct	0 ms	340 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	0 ms	340 KB	Output is correct
25	Correct	1 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	1 ms	340 KB	Output is correct
28	Correct	1 ms	340 KB	Output is correct
29	Correct	1 ms	340 KB	Output is correct
30	Correct	1 ms	340 KB	Output is correct
31	Correct	1 ms	340 KB	Output is correct
32	Correct	173 ms	1116 KB	Output is correct
33	Correct	279 ms	1116 KB	Output is correct
34	Correct	344 ms	1112 KB	Output is correct
35	Correct	10 ms	1108 KB	Output is correct
36	Correct	174 ms	1092 KB	Output is correct
37	Correct	218 ms	1088 KB	Output is correct
38	Correct	8 ms	1108 KB	Output is correct
39	Correct	181 ms	1108 KB	Output is correct
40	Correct	36 ms	1052 KB	Output is correct
41	Correct	138 ms	1056 KB	Output is correct
42	Correct	167 ms	1036 KB	Output is correct
43	Correct	51 ms	1004 KB	Output is correct
44	Correct	6 ms	1108 KB	Output is correct
45	Correct	6 ms	1136 KB	Output is correct
46	Correct	6 ms	1108 KB	Output is correct
47	Correct	6 ms	1084 KB	Output is correct
48	Correct	6 ms	1108 KB	Output is correct
49	Correct	321 ms	888 KB	Output is correct
50	Correct	5 ms	980 KB	Output is correct
51	Correct	209 ms	1012 KB	Output is correct
52	Correct	160 ms	1048 KB	Output is correct
53	Correct	338 ms	1088 KB	Output is correct
54	Correct	328 ms	1092 KB	Output is correct
55	Correct	247 ms	1072 KB	Output is correct
56	Correct	283 ms	1064 KB	Output is correct
57	Correct	207 ms	1040 KB	Output is correct
58	Correct	198 ms	1044 KB	Output is correct
59	Correct	6 ms	1108 KB	Output is correct
60	Correct	6 ms	1108 KB	Output is correct
61	Correct	6 ms	1108 KB	Output is correct
62	Correct	294 ms	1076 KB	Output is correct
63	Correct	235 ms	1044 KB	Output is correct
64	Correct	340 ms	1080 KB	Output is correct
65	Correct	6 ms	1108 KB	Output is correct
66	Correct	228 ms	1108 KB	Output is correct
67	Correct	6 ms	980 KB	Output is correct
68	Correct	1 ms	468 KB	Output is correct
69	Correct	40 ms	764 KB	Output is correct
70	Correct	18 ms	852 KB	Output is correct
71	Correct	21 ms	832 KB	Output is correct
72	Correct	23 ms	940 KB	Output is correct
73	Correct	2 ms	596 KB	Output is correct
74	Correct	9 ms	852 KB	Output is correct
75	Correct	115 ms	1116 KB	Output is correct
76	Correct	378 ms	1120 KB	Output is correct
77	Correct	435 ms	1108 KB	Output is correct
78	Correct	465 ms	1116 KB	Output is correct
79	Correct	456 ms	1112 KB	Output is correct
80	Correct	7 ms	1108 KB	Output is correct
81	Correct	347 ms	1092 KB	Output is correct
82	Correct	367 ms	1084 KB	Output is correct
83	Correct	207 ms	1092 KB	Output is correct
84	Correct	278 ms	1100 KB	Output is correct
85	Correct	371 ms	1076 KB	Output is correct
86	Correct	303 ms	1088 KB	Output is correct
87	Correct	274 ms	1068 KB	Output is correct
88	Correct	625 ms	1092 KB	Output is correct
89	Correct	350 ms	1072 KB	Output is correct
90	Correct	572 ms	1096 KB	Output is correct
91	Correct	471 ms	1088 KB	Output is correct
92	Correct	477 ms	1124 KB	Output is correct
93	Correct	559 ms	1084 KB	Output is correct
94	Correct	663 ms	1112 KB	Output is correct
95	Correct	567 ms	1108 KB	Output is correct
96	Correct	264 ms	1032 KB	Output is correct
97	Correct	533 ms	1108 KB	Output is correct
98	Correct	702 ms	1080 KB	Output is correct
99	Correct	629 ms	1072 KB	Output is correct
100	Correct	323 ms	920 KB	Output is correct

답안 #608672

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