답안 #431248

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
431248	2021-06-17T10:30:43 Z	rainboy	장난감 기차 (IOI17_train)	C++	100 / 100	416 ms	1328 KB

train

/* https://codeforces.com/blog/entry/53550?#comment-375660 (Swistakk) */
#include "train.h"
#include <stdlib.h>

using namespace std;

const int N = 5000;

typedef vector<int> vi;

int *ej[N], eo[N], dd_[N], dd[N], qu[N]; char rr[N];

vi who_wins(vi aa, vi rr_, vi uu, vi vv) {
	int n = aa.size(), m = uu.size(), h, i, j, o, cnt;
	vi ans(n);

	for (i = 0; i < n; i++)
		rr[i] = rr_[i];
	for (h = 0; h < m; h++)
		dd_[uu[h]]++, eo[vv[h]]++;
	for (i = 0; i < n; i++)
		ej[i] = (int *) malloc(eo[i] * sizeof *ej[i]), eo[i] = 0;
	for (h = 0; h < m; h++)
		ej[vv[h]][eo[vv[h]]++] = uu[h];
again:
	cnt = 0;
	for (i = 0; i < n; i++) {
		dd[i] = aa[i] == 1 ? 1 : dd_[i], ans[i] = 0;
		if (rr[i])
			dd[i] = 0, ans[i] = 1, qu[cnt++] = i;
	}
	while (cnt) {
		i = qu[--cnt];
		for (o = eo[i]; o--; ) {
			j = ej[i][o];
			if (--dd[j] == 0)
				ans[j] = 1, qu[cnt++] = j;
		}
	}
	cnt = 0;
	for (i = 0; i < n; i++) {
		dd[i] = aa[i] == 0 ? 1 : dd_[i];
		if (!ans[i])
			dd[i] = 0, qu[cnt++] = i;
	}
	while (cnt) {
		i = qu[--cnt];
		for (o = eo[i]; o--; ) {
			j = ej[i][o];
			if (--dd[j] == 0) {
				ans[j] = 0, qu[cnt++] = j;
				if (rr[j]) {
					rr[j] = 0;
					goto again;
				}
			}
		}
	}
	return ans;
}

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	133 ms	732 KB	Output is correct
2	Correct	150 ms	816 KB	Output is correct
3	Correct	147 ms	828 KB	Output is correct
4	Correct	163 ms	816 KB	Output is correct
5	Correct	143 ms	820 KB	Output is correct
6	Correct	137 ms	820 KB	Output is correct
7	Correct	179 ms	816 KB	Output is correct
8	Correct	26 ms	836 KB	Output is correct
9	Correct	117 ms	808 KB	Output is correct
10	Correct	91 ms	796 KB	Output is correct
11	Correct	5 ms	716 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	252 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	284 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	284 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct

Subtask #3

11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	89 ms	996 KB	Output is correct
2	Correct	171 ms	1192 KB	Output is correct
3	Correct	210 ms	1328 KB	Output is correct
4	Correct	11 ms	1100 KB	Output is correct
5	Correct	58 ms	1168 KB	Output is correct
6	Correct	60 ms	1180 KB	Output is correct
7	Correct	8 ms	1076 KB	Output is correct
8	Correct	8 ms	1196 KB	Output is correct
9	Correct	8 ms	1144 KB	Output is correct
10	Correct	7 ms	1052 KB	Output is correct
11	Correct	9 ms	1100 KB	Output is correct
12	Correct	6 ms	1100 KB	Output is correct
13	Correct	7 ms	1100 KB	Output is correct
14	Correct	7 ms	1100 KB	Output is correct
15	Correct	8 ms	1072 KB	Output is correct
16	Correct	7 ms	1100 KB	Output is correct
17	Correct	9 ms	1100 KB	Output is correct
18	Correct	317 ms	904 KB	Output is correct

Subtask #4

11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	860 KB	Output is correct
2	Correct	8 ms	1100 KB	Output is correct
3	Correct	16 ms	1216 KB	Output is correct
4	Correct	288 ms	1172 KB	Output is correct
5	Correct	17 ms	1192 KB	Output is correct
6	Correct	19 ms	1052 KB	Output is correct
7	Correct	37 ms	1152 KB	Output is correct
8	Correct	89 ms	1144 KB	Output is correct
9	Correct	154 ms	1116 KB	Output is correct
10	Correct	7 ms	1100 KB	Output is correct
11	Correct	9 ms	1100 KB	Output is correct
12	Correct	8 ms	1068 KB	Output is correct
13	Correct	8 ms	1192 KB	Output is correct
14	Correct	7 ms	1032 KB	Output is correct

Subtask #5

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	972 KB	Output is correct
2	Correct	7 ms	1064 KB	Output is correct
3	Correct	8 ms	1148 KB	Output is correct
4	Correct	8 ms	1100 KB	Output is correct
5	Correct	2 ms	332 KB	Output is correct
6	Correct	4 ms	844 KB	Output is correct
7	Correct	6 ms	692 KB	Output is correct
8	Correct	5 ms	828 KB	Output is correct
9	Correct	6 ms	804 KB	Output is correct
10	Correct	2 ms	364 KB	Output is correct
11	Correct	6 ms	716 KB	Output is correct

Subtask #6

51.0 / 51.0

#	결과	실행 시간	메모리	Grader output
1	Correct	133 ms	732 KB	Output is correct
2	Correct	150 ms	816 KB	Output is correct
3	Correct	147 ms	828 KB	Output is correct
4	Correct	163 ms	816 KB	Output is correct
5	Correct	143 ms	820 KB	Output is correct
6	Correct	137 ms	820 KB	Output is correct
7	Correct	179 ms	816 KB	Output is correct
8	Correct	26 ms	836 KB	Output is correct
9	Correct	117 ms	808 KB	Output is correct
10	Correct	91 ms	796 KB	Output is correct
11	Correct	5 ms	716 KB	Output is correct
12	Correct	1 ms	252 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	284 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	1 ms	284 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	1 ms	204 KB	Output is correct
31	Correct	1 ms	204 KB	Output is correct
32	Correct	89 ms	996 KB	Output is correct
33	Correct	171 ms	1192 KB	Output is correct
34	Correct	210 ms	1328 KB	Output is correct
35	Correct	11 ms	1100 KB	Output is correct
36	Correct	58 ms	1168 KB	Output is correct
37	Correct	60 ms	1180 KB	Output is correct
38	Correct	8 ms	1076 KB	Output is correct
39	Correct	8 ms	1196 KB	Output is correct
40	Correct	8 ms	1144 KB	Output is correct
41	Correct	7 ms	1052 KB	Output is correct
42	Correct	9 ms	1100 KB	Output is correct
43	Correct	6 ms	1100 KB	Output is correct
44	Correct	7 ms	1100 KB	Output is correct
45	Correct	7 ms	1100 KB	Output is correct
46	Correct	8 ms	1072 KB	Output is correct
47	Correct	7 ms	1100 KB	Output is correct
48	Correct	9 ms	1100 KB	Output is correct
49	Correct	317 ms	904 KB	Output is correct
50	Correct	6 ms	860 KB	Output is correct
51	Correct	8 ms	1100 KB	Output is correct
52	Correct	16 ms	1216 KB	Output is correct
53	Correct	288 ms	1172 KB	Output is correct
54	Correct	17 ms	1192 KB	Output is correct
55	Correct	19 ms	1052 KB	Output is correct
56	Correct	37 ms	1152 KB	Output is correct
57	Correct	89 ms	1144 KB	Output is correct
58	Correct	154 ms	1116 KB	Output is correct
59	Correct	7 ms	1100 KB	Output is correct
60	Correct	9 ms	1100 KB	Output is correct
61	Correct	8 ms	1068 KB	Output is correct
62	Correct	8 ms	1192 KB	Output is correct
63	Correct	7 ms	1032 KB	Output is correct
64	Correct	7 ms	972 KB	Output is correct
65	Correct	7 ms	1064 KB	Output is correct
66	Correct	8 ms	1148 KB	Output is correct
67	Correct	8 ms	1100 KB	Output is correct
68	Correct	2 ms	332 KB	Output is correct
69	Correct	4 ms	844 KB	Output is correct
70	Correct	6 ms	692 KB	Output is correct
71	Correct	5 ms	828 KB	Output is correct
72	Correct	6 ms	804 KB	Output is correct
73	Correct	2 ms	364 KB	Output is correct
74	Correct	6 ms	716 KB	Output is correct
75	Correct	128 ms	1160 KB	Output is correct
76	Correct	191 ms	1192 KB	Output is correct
77	Correct	235 ms	1192 KB	Output is correct
78	Correct	249 ms	1192 KB	Output is correct
79	Correct	268 ms	1200 KB	Output is correct
80	Correct	8 ms	1072 KB	Output is correct
81	Correct	18 ms	1100 KB	Output is correct
82	Correct	23 ms	1188 KB	Output is correct
83	Correct	65 ms	1160 KB	Output is correct
84	Correct	14 ms	1164 KB	Output is correct
85	Correct	75 ms	1100 KB	Output is correct
86	Correct	36 ms	1180 KB	Output is correct
87	Correct	14 ms	1196 KB	Output is correct
88	Correct	95 ms	1160 KB	Output is correct
89	Correct	39 ms	1192 KB	Output is correct
90	Correct	71 ms	1176 KB	Output is correct
91	Correct	117 ms	1176 KB	Output is correct
92	Correct	104 ms	1168 KB	Output is correct
93	Correct	111 ms	1176 KB	Output is correct
94	Correct	132 ms	1156 KB	Output is correct
95	Correct	113 ms	1052 KB	Output is correct
96	Correct	87 ms	1116 KB	Output is correct
97	Correct	261 ms	1068 KB	Output is correct
98	Correct	404 ms	1136 KB	Output is correct
99	Correct	416 ms	1124 KB	Output is correct
100	Correct	261 ms	900 KB	Output is correct