oj.uz

Submission #732232

# Submission time Handle Problem Language Result Execution time Memory
732232 2023-04-28T18:49:47 Z 42kangaroo Stranded Far From Home (BOI22_island) C++17
100 / 100
 222 ms 30300 KB 
//
// Created by 42kangaroo on 16/04/2023.
//
#include "bits/stdc++.h"

using namespace std;

#define int long long

using g_t = vector<vector<int>>;

int find(int a, vector<int>& p, vector<bool>& pos) {
	if (a == p[a]) return a;
	int par = find(p[a], p, pos);
	if (!pos[p[a]]) pos[a] = false;
	return p[a] = par;
}

void unite(int a, int b, vector<int>& p, vector<int>& s, vector<bool>& pos) {
	a = find(a, p, pos);
	b = find(b, p, pos);
	if (a == b) return;
	p[b] = a;
	s[a] += s[b];
}

signed main() {
	ios_base::sync_with_stdio(false);
	cin.tie(nullptr);
	int n, m;
	cin >> n>> m;
	vector<int> s(n);
	for (int i = 0; i < n; ++i) {
		cin >> s[i];
	}
	g_t gr(n);
	for (int i = 0; i < m; ++i) {
		int a, b;
		cin>> a >> b;
		--a;--b;
		gr[a].push_back(b);
		gr[b].push_back(a);
	}
	vector<int> ns = s;
	vector<int> o(n);
	std::iota(o.begin(), o.end(),0);
	std::sort(o.begin(), o.end(),[&](int l, int r){return s[l] < s[r];});
	vector<int> p(n);
	std::iota(p.begin(), p.end(),0);
	vector<bool> pos(n, true);
	for (int i = 0; i < n; ++i) {
		for (auto e: gr[o[i]]) {
			if (s[e] > s[o[i]]) continue;
			if (ns[find(e, p, pos)] < s[o[i]]) pos[find(e, p, pos)] = false;
			unite(o[i], e, p, ns, pos);
		}
	}
	for (int i = 0; i < n; ++i) {
		find(i, p, pos);
		cout << pos[i];
	}
	cout << "\n";

}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 147 ms 23124 KB Output is correct
4 Correct 151 ms 21804 KB Output is correct
5 Correct 147 ms 22408 KB Output is correct
6 Correct 162 ms 23060 KB Output is correct
7 Correct 152 ms 23112 KB Output is correct
8 Correct 176 ms 23192 KB Output is correct
9 Correct 168 ms 24396 KB Output is correct
10 Correct 118 ms 22780 KB Output is correct
11 Correct 133 ms 27708 KB Output is correct
12 Correct 180 ms 21740 KB Output is correct
13 Correct 166 ms 20600 KB Output is correct
14 Correct 136 ms 20748 KB Output is correct
15 Correct 139 ms 22148 KB Output is correct
16 Correct 110 ms 21324 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 187 ms 22076 KB Output is correct
3 Correct 204 ms 22224 KB Output is correct
4 Correct 135 ms 22192 KB Output is correct
5 Correct 131 ms 20604 KB Output is correct
6 Correct 193 ms 22260 KB Output is correct
7 Correct 171 ms 22108 KB Output is correct
8 Correct 181 ms 22296 KB Output is correct
9 Correct 85 ms 21292 KB Output is correct
10 Correct 144 ms 21496 KB Output is correct
11 Correct 155 ms 20732 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 220 ms 23116 KB Output is correct
3 Correct 192 ms 23024 KB Output is correct
4 Correct 178 ms 23244 KB Output is correct
5 Correct 188 ms 23148 KB Output is correct
6 Correct 221 ms 22284 KB Output is correct
7 Correct 137 ms 30300 KB Output is correct
8 Correct 106 ms 22612 KB Output is correct
9 Correct 135 ms 14304 KB Output is correct
10 Correct 170 ms 21660 KB Output is correct
11 Correct 161 ms 20692 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 2 ms 504 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 2 ms 464 KB Output is correct
8 Correct 2 ms 468 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 460 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 2 ms 468 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 147 ms 23124 KB Output is correct
18 Correct 151 ms 21804 KB Output is correct
19 Correct 147 ms 22408 KB Output is correct
20 Correct 162 ms 23060 KB Output is correct
21 Correct 152 ms 23112 KB Output is correct
22 Correct 176 ms 23192 KB Output is correct
23 Correct 168 ms 24396 KB Output is correct
24 Correct 118 ms 22780 KB Output is correct
25 Correct 133 ms 27708 KB Output is correct
26 Correct 180 ms 21740 KB Output is correct
27 Correct 166 ms 20600 KB Output is correct
28 Correct 136 ms 20748 KB Output is correct
29 Correct 139 ms 22148 KB Output is correct
30 Correct 110 ms 21324 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 187 ms 22076 KB Output is correct
33 Correct 204 ms 22224 KB Output is correct
34 Correct 135 ms 22192 KB Output is correct
35 Correct 131 ms 20604 KB Output is correct
36 Correct 193 ms 22260 KB Output is correct
37 Correct 171 ms 22108 KB Output is correct
38 Correct 181 ms 22296 KB Output is correct
39 Correct 85 ms 21292 KB Output is correct
40 Correct 144 ms 21496 KB Output is correct
41 Correct 155 ms 20732 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 220 ms 23116 KB Output is correct
44 Correct 192 ms 23024 KB Output is correct
45 Correct 178 ms 23244 KB Output is correct
46 Correct 188 ms 23148 KB Output is correct
47 Correct 221 ms 22284 KB Output is correct
48 Correct 137 ms 30300 KB Output is correct
49 Correct 106 ms 22612 KB Output is correct
50 Correct 135 ms 14304 KB Output is correct
51 Correct 170 ms 21660 KB Output is correct
52 Correct 161 ms 20692 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 1 ms 316 KB Output is correct
55 Correct 1 ms 212 KB Output is correct
56 Correct 2 ms 468 KB Output is correct
57 Correct 2 ms 476 KB Output is correct
58 Correct 2 ms 468 KB Output is correct
59 Correct 1 ms 468 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 456 KB Output is correct
62 Correct 2 ms 460 KB Output is correct
63 Correct 2 ms 504 KB Output is correct
64 Correct 1 ms 468 KB Output is correct
65 Correct 2 ms 468 KB Output is correct
66 Correct 3 ms 468 KB Output is correct
67 Correct 185 ms 23112 KB Output is correct
68 Correct 132 ms 21864 KB Output is correct
69 Correct 147 ms 22360 KB Output is correct
70 Correct 188 ms 23112 KB Output is correct
71 Correct 161 ms 23124 KB Output is correct
72 Correct 177 ms 23124 KB Output is correct
73 Correct 152 ms 24372 KB Output is correct
74 Correct 129 ms 22884 KB Output is correct
75 Correct 115 ms 27664 KB Output is correct
76 Correct 154 ms 21772 KB Output is correct
77 Correct 157 ms 20656 KB Output is correct
78 Correct 134 ms 20808 KB Output is correct
79 Correct 130 ms 22100 KB Output is correct
80 Correct 83 ms 21312 KB Output is correct
81 Correct 180 ms 22060 KB Output is correct
82 Correct 171 ms 22220 KB Output is correct
83 Correct 135 ms 22208 KB Output is correct
84 Correct 137 ms 20604 KB Output is correct
85 Correct 200 ms 22136 KB Output is correct
86 Correct 160 ms 22164 KB Output is correct
87 Correct 157 ms 22240 KB Output is correct
88 Correct 148 ms 21576 KB Output is correct
89 Correct 145 ms 20624 KB Output is correct
90 Correct 182 ms 23056 KB Output is correct
91 Correct 192 ms 22992 KB Output is correct
92 Correct 197 ms 23240 KB Output is correct
93 Correct 182 ms 23128 KB Output is correct
94 Correct 198 ms 22284 KB Output is correct
95 Correct 132 ms 30300 KB Output is correct
96 Correct 93 ms 22608 KB Output is correct
97 Correct 103 ms 14304 KB Output is correct
98 Correct 185 ms 21644 KB Output is correct
99 Correct 151 ms 20612 KB Output is correct
100 Correct 44 ms 6816 KB Output is correct
101 Correct 189 ms 23164 KB Output is correct
102 Correct 173 ms 19960 KB Output is correct
103 Correct 222 ms 20704 KB Output is correct
104 Correct 196 ms 22836 KB Output is correct