oj.uz

Submission #431248

# Submission time Handle Problem Language Result Execution time Memory
431248 2021-06-17T10:30:43 Z rainboy Toy Train (IOI17_train) C++
100 / 100
 416 ms 1328 KB 
/* 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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