oj.uz

Submission #601128

# Submission time Handle Problem Language Result Execution time Memory
601128 2022-07-21T11:47:37 Z Temmie Split the Attractions (IOI19_split) C++17
100 / 100
 170 ms 33188 KB 
#include "split.h"
#include <bits/stdc++.h>

std::vector <int> find_split(int n, int _a, int _b, int _c, std::vector <int> _u, std::vector <int> _v) {
	int m = _u.size();
	std::vector <std::pair <int, int>> s = { { _a, 1 }, { _b, 2 }, { _c, 3 } };
	std::sort(s.begin(), s.end());
	std::vector <int> ans(n, s[2].second);
	std::vector <std::vector <int>> g(n);
	std::vector <std::vector <int>> h(n);
	for (int i = 0; i < m; i++) {
		g[_u[i]].push_back(_v[i]);
		g[_v[i]].push_back(_u[i]);
	}
	std::vector <int> sub(n, 1);
	std::vector <int> dep(n, 0);
	std::vector <int> fur(n, 1 << 30);
	std::vector <bool> vis(n, false);
	std::vector <bool> stop(n, false);
	auto ini = [&] (auto&& self, int node) -> void {
		vis[node] = true;
		for (int x : g[node]) {
			if (!vis[x]) {
				dep[x] = dep[node] + 1;
				self(self, x);
				sub[node] += sub[x];
				h[node].push_back(x);
			} else {
				fur[node] = std::min(fur[node], dep[x]);
			}
		}
	};
	ini(ini, 0);
	std::vector <int> toc;
	auto rem = [&] (auto&& self, int node, int& mine, int& rest, int upp) -> void {
		if (fur[node] < upp && mine - sub[node] >= s[0].first) {
			stop[node] = true;
			toc.push_back(node);
			mine -= sub[node];
			rest += sub[node];
			return;
		}
		for (int x : h[node]) {
			self(self, x, mine, rest, upp);
		}
	};
	auto mak1 = [&] (auto&& self, int node, std::vector <bool>& ok) -> void {
		if (stop[node] || !s[0].first) {
			return;
		}
		ok[node] = false;
		ans[node] = s[0].second;
		s[0].first--;
		for (int x : h[node]) {
			self(self, x, ok);
		}
	};
	auto mak2 = [&] (auto&& self, int node, const std::vector <bool>& ok, std::vector <bool>& vs) -> void {
		if (!ok[node] || vs[node] || !s[1].first) {
			return;
		}
		vs[node] = true;
		ans[node] = s[1].second;
		s[1].first--;
		for (int x : g[node]) {
			self(self, x, ok, vs);
		}
	};
	auto dfs = [&] (auto&& self, int node) -> bool {
		bool all_less = true;
		for (int x : h[node]) {
			if (sub[x] >= s[0].first) {
				all_less = false;
				if (self(self, x)) {
					return true;
				}
			}
		}
		if (all_less) {
			int mine = sub[node];
			int rest = n - sub[node];
			rem(rem, node, mine, rest, dep[node]);
			if (rest >= s[1].first) {
				std::vector <bool> ok(n, true);
				std::vector <bool> vs(n, false);
				mak1(mak1, node, ok);
				assert(ans[0] == s[2].second);
				mak2(mak2, 0, ok, vs);
				return true;
			}
			for (int x : toc) {
				stop[x] = false;
			}
			toc.clear();
		}
		return false;
	};
	if (!dfs(dfs, 0)) {
		std::swap(s[0], s[1]);
		if (!dfs(dfs, 0)) {
			return std::vector <int> (n, 0);
		}
	}
	return ans;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 89 ms 26944 KB ok, correct split
8 Correct 82 ms 20684 KB ok, correct split
9 Correct 106 ms 23244 KB ok, correct split
10 Correct 83 ms 33160 KB ok, correct split
11 Correct 90 ms 27976 KB ok, correct split

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 93 ms 18084 KB ok, correct split
5 Correct 68 ms 12960 KB ok, correct split
6 Correct 83 ms 33188 KB ok, correct split
7 Correct 100 ms 27440 KB ok, correct split
8 Correct 103 ms 15676 KB ok, correct split
9 Correct 81 ms 14524 KB ok, correct split
10 Correct 45 ms 12328 KB ok, correct split
11 Correct 52 ms 12364 KB ok, correct split
12 Correct 49 ms 12416 KB ok, correct split

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 73 ms 12936 KB ok, correct split
3 Correct 22 ms 5820 KB ok, correct split
4 Correct 1 ms 212 KB ok, correct split
5 Correct 91 ms 18116 KB ok, correct split
6 Correct 94 ms 17800 KB ok, correct split
7 Correct 87 ms 17984 KB ok, correct split
8 Correct 93 ms 19196 KB ok, correct split
9 Correct 95 ms 17524 KB ok, correct split
10 Correct 22 ms 4996 KB ok, no valid answer
11 Correct 32 ms 7284 KB ok, no valid answer
12 Correct 56 ms 13864 KB ok, no valid answer
13 Correct 71 ms 14376 KB ok, no valid answer
14 Correct 51 ms 13672 KB ok, no valid answer

Subtask #4
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 1 ms 212 KB ok, no valid answer
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 0 ms 212 KB ok, correct split
8 Correct 0 ms 212 KB ok, correct split
9 Correct 3 ms 724 KB ok, correct split
10 Correct 2 ms 596 KB ok, correct split
11 Correct 1 ms 212 KB ok, correct split
12 Correct 2 ms 596 KB ok, correct split
13 Correct 0 ms 212 KB ok, correct split
14 Correct 0 ms 212 KB ok, correct split
15 Correct 0 ms 212 KB ok, correct split
16 Correct 0 ms 212 KB ok, correct split
17 Correct 0 ms 212 KB ok, correct split
18 Correct 1 ms 212 KB ok, correct split
19 Correct 1 ms 340 KB ok, correct split
20 Correct 1 ms 468 KB ok, correct split
21 Correct 2 ms 704 KB ok, correct split
22 Correct 2 ms 596 KB ok, correct split
23 Correct 2 ms 724 KB ok, correct split
24 Correct 2 ms 724 KB ok, correct split
25 Correct 2 ms 724 KB ok, correct split
26 Correct 2 ms 596 KB ok, correct split
27 Correct 2 ms 596 KB ok, correct split
28 Correct 2 ms 596 KB ok, correct split
29 Correct 1 ms 340 KB ok, correct split
30 Correct 2 ms 596 KB ok, correct split
31 Correct 1 ms 340 KB ok, correct split
32 Correct 1 ms 212 KB ok, correct split
33 Correct 1 ms 340 KB ok, correct split
34 Correct 2 ms 596 KB ok, correct split
35 Correct 2 ms 596 KB ok, correct split
36 Correct 2 ms 596 KB ok, correct split
37 Correct 2 ms 696 KB ok, correct split
38 Correct 2 ms 724 KB ok, correct split
39 Correct 2 ms 636 KB ok, correct split
40 Correct 2 ms 700 KB ok, correct split
41 Correct 1 ms 468 KB ok, correct split
42 Correct 1 ms 436 KB ok, correct split
43 Correct 3 ms 724 KB ok, correct split
44 Correct 2 ms 724 KB ok, correct split
45 Correct 2 ms 724 KB ok, correct split
46 Correct 2 ms 724 KB ok, correct split
47 Correct 2 ms 724 KB ok, no valid answer
48 Correct 2 ms 596 KB ok, correct split
49 Correct 2 ms 724 KB ok, correct split
50 Correct 1 ms 212 KB ok, no valid answer
51 Correct 1 ms 212 KB ok, no valid answer
52 Correct 2 ms 596 KB ok, no valid answer
53 Correct 3 ms 692 KB ok, no valid answer
54 Correct 1 ms 596 KB ok, no valid answer
55 Correct 2 ms 596 KB ok, no valid answer
56 Correct 2 ms 596 KB ok, no valid answer

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB ok, correct split
2 Correct 0 ms 212 KB ok, correct split
3 Correct 0 ms 212 KB ok, correct split
4 Correct 0 ms 212 KB ok, correct split
5 Correct 0 ms 212 KB ok, correct split
6 Correct 0 ms 212 KB ok, correct split
7 Correct 89 ms 26944 KB ok, correct split
8 Correct 82 ms 20684 KB ok, correct split
9 Correct 106 ms 23244 KB ok, correct split
10 Correct 83 ms 33160 KB ok, correct split
11 Correct 90 ms 27976 KB ok, correct split
12 Correct 1 ms 212 KB ok, correct split
13 Correct 0 ms 212 KB ok, correct split
14 Correct 0 ms 212 KB ok, correct split
15 Correct 93 ms 18084 KB ok, correct split
16 Correct 68 ms 12960 KB ok, correct split
17 Correct 83 ms 33188 KB ok, correct split
18 Correct 100 ms 27440 KB ok, correct split
19 Correct 103 ms 15676 KB ok, correct split
20 Correct 81 ms 14524 KB ok, correct split
21 Correct 45 ms 12328 KB ok, correct split
22 Correct 52 ms 12364 KB ok, correct split
23 Correct 49 ms 12416 KB ok, correct split
24 Correct 0 ms 212 KB ok, correct split
25 Correct 73 ms 12936 KB ok, correct split
26 Correct 22 ms 5820 KB ok, correct split
27 Correct 1 ms 212 KB ok, correct split
28 Correct 91 ms 18116 KB ok, correct split
29 Correct 94 ms 17800 KB ok, correct split
30 Correct 87 ms 17984 KB ok, correct split
31 Correct 93 ms 19196 KB ok, correct split
32 Correct 95 ms 17524 KB ok, correct split
33 Correct 22 ms 4996 KB ok, no valid answer
34 Correct 32 ms 7284 KB ok, no valid answer
35 Correct 56 ms 13864 KB ok, no valid answer
36 Correct 71 ms 14376 KB ok, no valid answer
37 Correct 51 ms 13672 KB ok, no valid answer
38 Correct 0 ms 212 KB ok, correct split
39 Correct 1 ms 212 KB ok, no valid answer
40 Correct 0 ms 212 KB ok, correct split
41 Correct 0 ms 212 KB ok, correct split
42 Correct 0 ms 212 KB ok, correct split
43 Correct 0 ms 212 KB ok, correct split
44 Correct 0 ms 212 KB ok, correct split
45 Correct 0 ms 212 KB ok, correct split
46 Correct 3 ms 724 KB ok, correct split
47 Correct 2 ms 596 KB ok, correct split
48 Correct 1 ms 212 KB ok, correct split
49 Correct 2 ms 596 KB ok, correct split
50 Correct 0 ms 212 KB ok, correct split
51 Correct 0 ms 212 KB ok, correct split
52 Correct 0 ms 212 KB ok, correct split
53 Correct 0 ms 212 KB ok, correct split
54 Correct 0 ms 212 KB ok, correct split
55 Correct 1 ms 212 KB ok, correct split
56 Correct 1 ms 340 KB ok, correct split
57 Correct 1 ms 468 KB ok, correct split
58 Correct 2 ms 704 KB ok, correct split
59 Correct 2 ms 596 KB ok, correct split
60 Correct 2 ms 724 KB ok, correct split
61 Correct 2 ms 724 KB ok, correct split
62 Correct 2 ms 724 KB ok, correct split
63 Correct 2 ms 596 KB ok, correct split
64 Correct 2 ms 596 KB ok, correct split
65 Correct 2 ms 596 KB ok, correct split
66 Correct 1 ms 340 KB ok, correct split
67 Correct 2 ms 596 KB ok, correct split
68 Correct 1 ms 340 KB ok, correct split
69 Correct 1 ms 212 KB ok, correct split
70 Correct 1 ms 340 KB ok, correct split
71 Correct 2 ms 596 KB ok, correct split
72 Correct 2 ms 596 KB ok, correct split
73 Correct 2 ms 596 KB ok, correct split
74 Correct 2 ms 696 KB ok, correct split
75 Correct 2 ms 724 KB ok, correct split
76 Correct 2 ms 636 KB ok, correct split
77 Correct 2 ms 700 KB ok, correct split
78 Correct 1 ms 468 KB ok, correct split
79 Correct 1 ms 436 KB ok, correct split
80 Correct 3 ms 724 KB ok, correct split
81 Correct 2 ms 724 KB ok, correct split
82 Correct 2 ms 724 KB ok, correct split
83 Correct 2 ms 724 KB ok, correct split
84 Correct 2 ms 724 KB ok, no valid answer
85 Correct 2 ms 596 KB ok, correct split
86 Correct 2 ms 724 KB ok, correct split
87 Correct 1 ms 212 KB ok, no valid answer
88 Correct 1 ms 212 KB ok, no valid answer
89 Correct 2 ms 596 KB ok, no valid answer
90 Correct 3 ms 692 KB ok, no valid answer
91 Correct 1 ms 596 KB ok, no valid answer
92 Correct 2 ms 596 KB ok, no valid answer
93 Correct 2 ms 596 KB ok, no valid answer
94 Correct 98 ms 20700 KB ok, correct split
95 Correct 137 ms 28348 KB ok, correct split
96 Correct 151 ms 25988 KB ok, correct split
97 Correct 33 ms 5840 KB ok, correct split
98 Correct 26 ms 5964 KB ok, correct split
99 Correct 44 ms 8268 KB ok, correct split
100 Correct 113 ms 18500 KB ok, correct split
101 Correct 95 ms 17436 KB ok, correct split
102 Correct 103 ms 16728 KB ok, correct split
103 Correct 86 ms 16324 KB ok, correct split
104 Correct 89 ms 16504 KB ok, correct split
105 Correct 43 ms 8804 KB ok, correct split
106 Correct 82 ms 16940 KB ok, correct split
107 Correct 79 ms 14140 KB ok, correct split
108 Correct 86 ms 14108 KB ok, correct split
109 Correct 161 ms 17868 KB ok, correct split
110 Correct 170 ms 18620 KB ok, correct split
111 Correct 119 ms 18748 KB ok, correct split
112 Correct 135 ms 17372 KB ok, correct split
113 Correct 120 ms 17376 KB ok, correct split
114 Correct 13 ms 2644 KB ok, correct split
115 Correct 9 ms 2228 KB ok, correct split
116 Correct 111 ms 18616 KB ok, correct split
117 Correct 108 ms 18572 KB ok, correct split
118 Correct 105 ms 15768 KB ok, correct split
119 Correct 84 ms 15564 KB ok, correct split
120 Correct 99 ms 20172 KB ok, correct split
121 Correct 78 ms 14568 KB ok, no valid answer
122 Correct 73 ms 14380 KB ok, no valid answer
123 Correct 119 ms 18968 KB ok, no valid answer
124 Correct 114 ms 18948 KB ok, no valid answer
125 Correct 68 ms 15272 KB ok, no valid answer
126 Correct 53 ms 12360 KB ok, no valid answer
127 Correct 90 ms 16304 KB ok, no valid answer