oj.uz

Submission #440575

# Submission time Handle Problem Language Result Execution time Memory
440575 2021-07-02T13:17:30 Z prvocislo Toy Train (IOI17_train) C++17
100 / 100
 656 ms 1732 KB 
#include "train.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	int n = a.size(), m = u.size();
	vector<int> res(n);
	bool change = true;
	vector<vector<int> > g(n), gt(n);
	for (int i = 0; i < m; i++) g[u[i]].push_back(v[i]), gt[v[i]].push_back(u[i]);
	while (change)
	{
		res.assign(n, false);
		vector<int> mn, deg(n, 0); // mnozina ktora caka na spracovanie
		for (int i = 0; i < m; i++) deg[u[i]]++;
		for (int i = 0; i < n; i++) 
		{
			if (r[i]) mn.push_back(i), res[i] = true;
			if (a[i]) deg[i] = 1;
		}
		while (!mn.empty())
		{
			int vr = mn.back(); mn.pop_back();
			for (int to : gt[vr])
			{
				deg[to]--;
				if (deg[to] == 0 && !res[to]) mn.push_back(to), res[to] = true;
			}
		}
		change = false;
		for (int i = 0; i < n; i++)
		{
			if (!r[i]) continue;
			int cnt = 0;
			for (int to : g[i])
				if (res[to]) cnt++;
			if ((a[i] && !cnt) || (!a[i] && cnt < g[i].size()))
			{
				change = true;
				r[i] = false;
			}
		}
	}
	return res;
}

Compilation message

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:37:40: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |    if ((a[i] && !cnt) || (!a[i] && cnt < g[i].size()))
      |                                    ~~~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1100 KB Output is correct
2 Correct 8 ms 1100 KB Output is correct
3 Correct 7 ms 1100 KB Output is correct
4 Correct 10 ms 1180 KB Output is correct
5 Correct 8 ms 1100 KB Output is correct
6 Correct 8 ms 1080 KB Output is correct
7 Correct 7 ms 1100 KB Output is correct
8 Correct 7 ms 1168 KB Output is correct
9 Correct 6 ms 1100 KB Output is correct
10 Correct 5 ms 1100 KB Output is correct
11 Correct 4 ms 1100 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 292 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 1612 KB Output is correct
2 Correct 230 ms 1608 KB Output is correct
3 Correct 327 ms 1612 KB Output is correct
4 Correct 9 ms 1612 KB Output is correct
5 Correct 16 ms 1592 KB Output is correct
6 Correct 12 ms 1508 KB Output is correct
7 Correct 9 ms 1612 KB Output is correct
8 Correct 10 ms 1592 KB Output is correct
9 Correct 8 ms 1556 KB Output is correct
10 Correct 8 ms 1484 KB Output is correct
11 Correct 8 ms 1484 KB Output is correct
12 Correct 8 ms 1356 KB Output is correct
13 Correct 9 ms 1592 KB Output is correct
14 Correct 9 ms 1612 KB Output is correct
15 Correct 9 ms 1612 KB Output is correct
16 Correct 9 ms 1612 KB Output is correct
17 Correct 9 ms 1612 KB Output is correct
18 Correct 436 ms 1232 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1356 KB Output is correct
2 Correct 8 ms 1368 KB Output is correct
3 Correct 10 ms 1576 KB Output is correct
4 Correct 10 ms 1528 KB Output is correct
5 Correct 9 ms 1484 KB Output is correct
6 Correct 9 ms 1484 KB Output is correct
7 Correct 9 ms 1484 KB Output is correct
8 Correct 9 ms 1484 KB Output is correct
9 Correct 10 ms 1484 KB Output is correct
10 Correct 9 ms 1624 KB Output is correct
11 Correct 9 ms 1612 KB Output is correct
12 Correct 9 ms 1612 KB Output is correct
13 Correct 9 ms 1484 KB Output is correct
14 Correct 8 ms 1436 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 1484 KB Output is correct
2 Correct 9 ms 1588 KB Output is correct
3 Correct 9 ms 1484 KB Output is correct
4 Correct 8 ms 1484 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 4 ms 1100 KB Output is correct
7 Correct 5 ms 972 KB Output is correct
8 Correct 6 ms 972 KB Output is correct
9 Correct 6 ms 972 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 6 ms 976 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1100 KB Output is correct
2 Correct 8 ms 1100 KB Output is correct
3 Correct 7 ms 1100 KB Output is correct
4 Correct 10 ms 1180 KB Output is correct
5 Correct 8 ms 1100 KB Output is correct
6 Correct 8 ms 1080 KB Output is correct
7 Correct 7 ms 1100 KB Output is correct
8 Correct 7 ms 1168 KB Output is correct
9 Correct 6 ms 1100 KB Output is correct
10 Correct 5 ms 1100 KB Output is correct
11 Correct 4 ms 1100 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 292 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 0 ms 204 KB Output is correct
32 Correct 126 ms 1612 KB Output is correct
33 Correct 230 ms 1608 KB Output is correct
34 Correct 327 ms 1612 KB Output is correct
35 Correct 9 ms 1612 KB Output is correct
36 Correct 16 ms 1592 KB Output is correct
37 Correct 12 ms 1508 KB Output is correct
38 Correct 9 ms 1612 KB Output is correct
39 Correct 10 ms 1592 KB Output is correct
40 Correct 8 ms 1556 KB Output is correct
41 Correct 8 ms 1484 KB Output is correct
42 Correct 8 ms 1484 KB Output is correct
43 Correct 8 ms 1356 KB Output is correct
44 Correct 9 ms 1592 KB Output is correct
45 Correct 9 ms 1612 KB Output is correct
46 Correct 9 ms 1612 KB Output is correct
47 Correct 9 ms 1612 KB Output is correct
48 Correct 9 ms 1612 KB Output is correct
49 Correct 436 ms 1232 KB Output is correct
50 Correct 8 ms 1356 KB Output is correct
51 Correct 8 ms 1368 KB Output is correct
52 Correct 10 ms 1576 KB Output is correct
53 Correct 10 ms 1528 KB Output is correct
54 Correct 9 ms 1484 KB Output is correct
55 Correct 9 ms 1484 KB Output is correct
56 Correct 9 ms 1484 KB Output is correct
57 Correct 9 ms 1484 KB Output is correct
58 Correct 10 ms 1484 KB Output is correct
59 Correct 9 ms 1624 KB Output is correct
60 Correct 9 ms 1612 KB Output is correct
61 Correct 9 ms 1612 KB Output is correct
62 Correct 9 ms 1484 KB Output is correct
63 Correct 8 ms 1436 KB Output is correct
64 Correct 9 ms 1484 KB Output is correct
65 Correct 9 ms 1588 KB Output is correct
66 Correct 9 ms 1484 KB Output is correct
67 Correct 8 ms 1484 KB Output is correct
68 Correct 1 ms 332 KB Output is correct
69 Correct 4 ms 1100 KB Output is correct
70 Correct 5 ms 972 KB Output is correct
71 Correct 6 ms 972 KB Output is correct
72 Correct 6 ms 972 KB Output is correct
73 Correct 2 ms 460 KB Output is correct
74 Correct 6 ms 976 KB Output is correct
75 Correct 187 ms 1580 KB Output is correct
76 Correct 228 ms 1732 KB Output is correct
77 Correct 328 ms 1612 KB Output is correct
78 Correct 328 ms 1612 KB Output is correct
79 Correct 328 ms 1624 KB Output is correct
80 Correct 10 ms 1564 KB Output is correct
81 Correct 10 ms 1484 KB Output is correct
82 Correct 10 ms 1584 KB Output is correct
83 Correct 12 ms 1536 KB Output is correct
84 Correct 12 ms 1596 KB Output is correct
85 Correct 11 ms 1484 KB Output is correct
86 Correct 14 ms 1592 KB Output is correct
87 Correct 10 ms 1572 KB Output is correct
88 Correct 16 ms 1484 KB Output is correct
89 Correct 10 ms 1528 KB Output is correct
90 Correct 22 ms 1484 KB Output is correct
91 Correct 27 ms 1592 KB Output is correct
92 Correct 42 ms 1484 KB Output is correct
93 Correct 35 ms 1484 KB Output is correct
94 Correct 36 ms 1584 KB Output is correct
95 Correct 39 ms 1484 KB Output is correct
96 Correct 81 ms 1552 KB Output is correct
97 Correct 398 ms 1600 KB Output is correct
98 Correct 568 ms 1576 KB Output is correct
99 Correct 656 ms 1604 KB Output is correct
100 Correct 426 ms 1348 KB Output is correct