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Submission #790028

# Submission time Handle Problem Language Result Execution time Memory
790028 2023-07-22T09:28:22 Z Trisanu_Das Split the Attractions (IOI19_split) C++17
100 / 100
 84 ms 17996 KB 
#include "split.h"
#include <bits/stdc++.h>
 
using namespace std;
 
int n, s[4], t[4], c[100100];
vector<int> r, e[100100];
 
int dfs(int i) {
	r[i] = -1;
	c[i] = 1;
	for (int j : e[i])
		if (!r[j]) {
			int k = dfs(j);
			c[i] += c[j];
			if (c[j] >= s[0]) return k;
		}
	r[i] = -2;
	return i;
}
 
void dfst(int i, int cr, int k) {
	if (!s[k]) return;
	r[i] = t[k];
	s[k]--;
	for (int j : e[i]) if (r[j] == cr) dfst(j, cr, k);
}
 
vector<int> find_split(int N, int A, int B, int C, vector<int> p, vector<int> q) {
	n = N;
	s[0] = A; s[1] = B; s[2] = C; s[3] = n;
	t[0] = 1; t[1] = 2; t[2] = 3; t[3] = -3;
	for (int i : {0, 1, 0}) if (s[i] > s[i + 1]) swap(s[i], s[i + 1]), swap(t[i], t[i + 1]);
	for (int i = 0; i < (int) p.size(); i++) e[p[i]].push_back(q[i]), e[q[i]].push_back(p[i]);
	r.resize(n);
	int k = dfs(0);
	if (k != 0) {
		dfst(k, -2, 3);
		r[k] = -4;
		for (int i = 0; i < n; i++) r[i] = min(r[i], -2);
		if (c[k] >= s[1]) swap(s[0], s[1]), swap(t[0], t[1]);
		r[k] = -4;
		dfst(0, -2, 1);
		for (int i = 0; i < n; i++) if (r[i] == t[1]) for (int j : e[i]) if (r[j] == -3) dfst(j, -3, 1);
		r[k] = -3;
		dfst(k, -3, 0);
	}
	if (s[0] || s[1]) r.assign(n, 0);
	else for (int i = 0; i < n; i++) r[i] = r[i] < 1 ? t[2] : r[i];
	return r;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 1 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 1 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 56 ms 16984 KB ok, correct split
8 Correct 42 ms 12252 KB ok, correct split
9 Correct 41 ms 12900 KB ok, correct split
10 Correct 46 ms 17424 KB ok, correct split
11 Correct 52 ms 17376 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB ok, correct split
2 Correct 1 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 46 ms 10956 KB ok, correct split
5 Correct 37 ms 9316 KB ok, correct split
6 Correct 44 ms 17364 KB ok, correct split
7 Correct 43 ms 14556 KB ok, correct split
8 Correct 63 ms 12696 KB ok, correct split
9 Correct 37 ms 9748 KB ok, correct split
10 Correct 36 ms 9300 KB ok, correct split
11 Correct 33 ms 9292 KB ok, correct split
12 Correct 34 ms 9568 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB ok, correct split
2 Correct 53 ms 9780 KB ok, correct split
3 Correct 15 ms 5480 KB ok, correct split
4 Correct 1 ms 2644 KB ok, correct split
5 Correct 46 ms 12176 KB ok, correct split
6 Correct 44 ms 12008 KB ok, correct split
7 Correct 45 ms 11724 KB ok, correct split
8 Correct 46 ms 13132 KB ok, correct split
9 Correct 45 ms 11596 KB ok, correct split
10 Correct 14 ms 4948 KB ok, no valid answer
11 Correct 23 ms 6092 KB ok, no valid answer
12 Correct 37 ms 9952 KB ok, no valid answer
13 Correct 54 ms 9804 KB ok, no valid answer
14 Correct 41 ms 10052 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 1 ms 2656 KB ok, no valid answer
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 1 ms 2628 KB ok, correct split
5 Correct 1 ms 2656 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 1 ms 2644 KB ok, correct split
8 Correct 1 ms 2644 KB ok, correct split
9 Correct 3 ms 2900 KB ok, correct split
10 Correct 3 ms 2788 KB ok, correct split
11 Correct 1 ms 2644 KB ok, correct split
12 Correct 3 ms 2900 KB ok, correct split
13 Correct 1 ms 2656 KB ok, correct split
14 Correct 2 ms 2644 KB ok, correct split
15 Correct 1 ms 2644 KB ok, correct split
16 Correct 1 ms 2644 KB ok, correct split
17 Correct 1 ms 2656 KB ok, correct split
18 Correct 1 ms 2644 KB ok, correct split
19 Correct 1 ms 2660 KB ok, correct split
20 Correct 2 ms 2668 KB ok, correct split
21 Correct 2 ms 2796 KB ok, correct split
22 Correct 2 ms 2772 KB ok, correct split
23 Correct 3 ms 2900 KB ok, correct split
24 Correct 2 ms 2792 KB ok, correct split
25 Correct 2 ms 2772 KB ok, correct split
26 Correct 2 ms 2900 KB ok, correct split
27 Correct 3 ms 2900 KB ok, correct split
28 Correct 3 ms 2900 KB ok, correct split
29 Correct 1 ms 2644 KB ok, correct split
30 Correct 3 ms 2900 KB ok, correct split
31 Correct 2 ms 2644 KB ok, correct split
32 Correct 2 ms 2644 KB ok, correct split
33 Correct 1 ms 2644 KB ok, correct split
34 Correct 2 ms 2772 KB ok, correct split
35 Correct 2 ms 2772 KB ok, correct split
36 Correct 2 ms 2772 KB ok, correct split
37 Correct 3 ms 2900 KB ok, correct split
38 Correct 3 ms 2900 KB ok, correct split
39 Correct 3 ms 2900 KB ok, correct split
40 Correct 3 ms 2792 KB ok, correct split
41 Correct 2 ms 2668 KB ok, correct split
42 Correct 2 ms 2772 KB ok, correct split
43 Correct 3 ms 2900 KB ok, correct split
44 Correct 3 ms 2900 KB ok, correct split
45 Correct 3 ms 2900 KB ok, correct split
46 Correct 2 ms 2900 KB ok, correct split
47 Correct 2 ms 2900 KB ok, no valid answer
48 Correct 2 ms 2792 KB ok, correct split
49 Correct 2 ms 2920 KB ok, correct split
50 Correct 1 ms 2644 KB ok, no valid answer
51 Correct 1 ms 2644 KB ok, no valid answer
52 Correct 2 ms 2772 KB ok, no valid answer
53 Correct 3 ms 2900 KB ok, no valid answer
54 Correct 2 ms 2772 KB ok, no valid answer
55 Correct 2 ms 2772 KB ok, no valid answer
56 Correct 2 ms 2772 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB ok, correct split
2 Correct 1 ms 2644 KB ok, correct split
3 Correct 1 ms 2644 KB ok, correct split
4 Correct 2 ms 2644 KB ok, correct split
5 Correct 1 ms 2644 KB ok, correct split
6 Correct 1 ms 2644 KB ok, correct split
7 Correct 56 ms 16984 KB ok, correct split
8 Correct 42 ms 12252 KB ok, correct split
9 Correct 41 ms 12900 KB ok, correct split
10 Correct 46 ms 17424 KB ok, correct split
11 Correct 52 ms 17376 KB ok, correct split
12 Correct 1 ms 2644 KB ok, correct split
13 Correct 1 ms 2644 KB ok, correct split
14 Correct 1 ms 2644 KB ok, correct split
15 Correct 46 ms 10956 KB ok, correct split
16 Correct 37 ms 9316 KB ok, correct split
17 Correct 44 ms 17364 KB ok, correct split
18 Correct 43 ms 14556 KB ok, correct split
19 Correct 63 ms 12696 KB ok, correct split
20 Correct 37 ms 9748 KB ok, correct split
21 Correct 36 ms 9300 KB ok, correct split
22 Correct 33 ms 9292 KB ok, correct split
23 Correct 34 ms 9568 KB ok, correct split
24 Correct 1 ms 2644 KB ok, correct split
25 Correct 53 ms 9780 KB ok, correct split
26 Correct 15 ms 5480 KB ok, correct split
27 Correct 1 ms 2644 KB ok, correct split
28 Correct 46 ms 12176 KB ok, correct split
29 Correct 44 ms 12008 KB ok, correct split
30 Correct 45 ms 11724 KB ok, correct split
31 Correct 46 ms 13132 KB ok, correct split
32 Correct 45 ms 11596 KB ok, correct split
33 Correct 14 ms 4948 KB ok, no valid answer
34 Correct 23 ms 6092 KB ok, no valid answer
35 Correct 37 ms 9952 KB ok, no valid answer
36 Correct 54 ms 9804 KB ok, no valid answer
37 Correct 41 ms 10052 KB ok, no valid answer
38 Correct 2 ms 2644 KB ok, correct split
39 Correct 1 ms 2656 KB ok, no valid answer
40 Correct 1 ms 2644 KB ok, correct split
41 Correct 1 ms 2628 KB ok, correct split
42 Correct 1 ms 2656 KB ok, correct split
43 Correct 1 ms 2644 KB ok, correct split
44 Correct 1 ms 2644 KB ok, correct split
45 Correct 1 ms 2644 KB ok, correct split
46 Correct 3 ms 2900 KB ok, correct split
47 Correct 3 ms 2788 KB ok, correct split
48 Correct 1 ms 2644 KB ok, correct split
49 Correct 3 ms 2900 KB ok, correct split
50 Correct 1 ms 2656 KB ok, correct split
51 Correct 2 ms 2644 KB ok, correct split
52 Correct 1 ms 2644 KB ok, correct split
53 Correct 1 ms 2644 KB ok, correct split
54 Correct 1 ms 2656 KB ok, correct split
55 Correct 1 ms 2644 KB ok, correct split
56 Correct 1 ms 2660 KB ok, correct split
57 Correct 2 ms 2668 KB ok, correct split
58 Correct 2 ms 2796 KB ok, correct split
59 Correct 2 ms 2772 KB ok, correct split
60 Correct 3 ms 2900 KB ok, correct split
61 Correct 2 ms 2792 KB ok, correct split
62 Correct 2 ms 2772 KB ok, correct split
63 Correct 2 ms 2900 KB ok, correct split
64 Correct 3 ms 2900 KB ok, correct split
65 Correct 3 ms 2900 KB ok, correct split
66 Correct 1 ms 2644 KB ok, correct split
67 Correct 3 ms 2900 KB ok, correct split
68 Correct 2 ms 2644 KB ok, correct split
69 Correct 2 ms 2644 KB ok, correct split
70 Correct 1 ms 2644 KB ok, correct split
71 Correct 2 ms 2772 KB ok, correct split
72 Correct 2 ms 2772 KB ok, correct split
73 Correct 2 ms 2772 KB ok, correct split
74 Correct 3 ms 2900 KB ok, correct split
75 Correct 3 ms 2900 KB ok, correct split
76 Correct 3 ms 2900 KB ok, correct split
77 Correct 3 ms 2792 KB ok, correct split
78 Correct 2 ms 2668 KB ok, correct split
79 Correct 2 ms 2772 KB ok, correct split
80 Correct 3 ms 2900 KB ok, correct split
81 Correct 3 ms 2900 KB ok, correct split
82 Correct 3 ms 2900 KB ok, correct split
83 Correct 2 ms 2900 KB ok, correct split
84 Correct 2 ms 2900 KB ok, no valid answer
85 Correct 2 ms 2792 KB ok, correct split
86 Correct 2 ms 2920 KB ok, correct split
87 Correct 1 ms 2644 KB ok, no valid answer
88 Correct 1 ms 2644 KB ok, no valid answer
89 Correct 2 ms 2772 KB ok, no valid answer
90 Correct 3 ms 2900 KB ok, no valid answer
91 Correct 2 ms 2772 KB ok, no valid answer
92 Correct 2 ms 2772 KB ok, no valid answer
93 Correct 2 ms 2772 KB ok, no valid answer
94 Correct 54 ms 12544 KB ok, correct split
95 Correct 72 ms 17996 KB ok, correct split
96 Correct 64 ms 16248 KB ok, correct split
97 Correct 15 ms 5276 KB ok, correct split
98 Correct 16 ms 5560 KB ok, correct split
99 Correct 30 ms 8292 KB ok, correct split
100 Correct 61 ms 13700 KB ok, correct split
101 Correct 53 ms 12416 KB ok, correct split
102 Correct 50 ms 11792 KB ok, correct split
103 Correct 65 ms 11400 KB ok, correct split
104 Correct 76 ms 13288 KB ok, correct split
105 Correct 40 ms 7128 KB ok, correct split
106 Correct 59 ms 12992 KB ok, correct split
107 Correct 46 ms 9712 KB ok, correct split
108 Correct 59 ms 9692 KB ok, correct split
109 Correct 75 ms 13052 KB ok, correct split
110 Correct 80 ms 12804 KB ok, correct split
111 Correct 76 ms 12780 KB ok, correct split
112 Correct 67 ms 13112 KB ok, correct split
113 Correct 70 ms 13052 KB ok, correct split
114 Correct 10 ms 4052 KB ok, correct split
115 Correct 11 ms 3780 KB ok, correct split
116 Correct 84 ms 12776 KB ok, correct split
117 Correct 66 ms 12612 KB ok, correct split
118 Correct 42 ms 9676 KB ok, correct split
119 Correct 38 ms 9704 KB ok, correct split
120 Correct 44 ms 13776 KB ok, correct split
121 Correct 50 ms 9800 KB ok, no valid answer
122 Correct 46 ms 9768 KB ok, no valid answer
123 Correct 71 ms 13912 KB ok, no valid answer
124 Correct 71 ms 13680 KB ok, no valid answer
125 Correct 45 ms 10808 KB ok, no valid answer
126 Correct 37 ms 9212 KB ok, no valid answer
127 Correct 49 ms 11316 KB ok, no valid answer