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Submission #239495

# Submission time Handle Problem Language Result Execution time Memory
239495 2020-06-15T22:33:15 Z Jatana Toy Train (IOI17_train) C++17
100 / 100
 593 ms 1792 KB 
#include "train.h"
#include <iostream>
#include <numeric>
#define le(v) ((int)v.size())
#define x first
#define y second
#define pb push_back
#define f(i, n) for (int i = 0; i < (n); i++)

using namespace std;

int n, m;
vector<int> who;
vector<vector<int>> g;
vector<vector<int>> reg;
vector<int> c;
vector<int> ic;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	g.clear();
	c.clear();
	who.clear();
	who = a;
	n = le(a);
	m = le(u);
	ic = c = r;	
	g.resize(n);
	reg.resize(n);
	// cerr <<n << endl;
	// f(i, m) {
		// cerr << u[i] << " " << v[i] << endl;
	// }
	// return c;
	f(i, m) {
		g[u[i]].pb(v[i]);
		reg[v[i]].pb(u[i]);
	}
	vector<bool> dead(n, false);
	while (true) {
		f(i, n) {
			if (dead[i]) {
				c[i] = 0;
			} else c[i] = ic[i];
		}
		{
			vector<int> deq(n);
			iota(deq.begin(), deq.end(), 0);
			while (!deq.empty()) {
				int i = deq.back(); deq.pop_back();	
				if (dead[i]) continue;
				if (c[i] == 1) continue;
				if (who[i] == 1) {
					// indefinitely
					for (int sub : g[i]) {
						if (c[sub]) {
							c[i] = 1;
							break;
						}
					}
				} else {
					// finitely
					bool some = false;
					for (int sub : g[i]) {
						if (!c[sub]) {
							some = true;
							break;
						}
					}
					if (!some) {
						c[i] = 1;
					}
				}
				if (c[i] == 1) {
					for (int sub : reg[i]) {
						deq.pb(sub);
					}
				}
			}
		}
		while (true) {
			vector<int> was = c;
			for (int i = 0; i < n; i++) {
				if (dead[i]) continue;
				if (c[i] == 0) continue;
				if (who[i] == 1) {
					// indefinitely
					bool some = false;
					for (int sub : g[i]) {
						if (c[sub]) {
							some = true;
							break;
						}
					}
					if (!some) {
						c[i] = 0;
					}
				} else {
					// finitely
					for (int sub : g[i]) {
						if (!c[sub]) {
							c[i] = 0;
							break;
						}
					}
				}
			}
			if (was == c) break;
		}
		bool _new = false;
		f(i, n) {
			if (!c[i]) {
				if (!dead[i]) _new = true;
				dead[i] = true;
			}
		}
		if (!_new) break;
	}
	vector<int> out(n);
	f(i, n) {
		if (dead[i]) {
			out[i] = 0;
		} else out[i] = 1;
	}
	return out;
	// vector<int> res(a.size());
	// for(int i = 0; i < (int)res.size(); i++)
	// 	res[i] = i % 2;
	// return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1152 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 11 ms 1152 KB Output is correct
4 Correct 14 ms 1152 KB Output is correct
5 Correct 11 ms 1152 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 10 ms 1152 KB Output is correct
8 Correct 10 ms 1152 KB Output is correct
9 Correct 10 ms 1152 KB Output is correct
10 Correct 9 ms 1152 KB Output is correct
11 Correct 8 ms 1152 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 4 ms 256 KB Output is correct
5 Correct 5 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 4 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 256 KB Output is correct
16 Correct 4 ms 384 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 5 ms 256 KB Output is correct
20 Correct 4 ms 256 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 1588 KB Output is correct
2 Correct 222 ms 1656 KB Output is correct
3 Correct 282 ms 1536 KB Output is correct
4 Correct 16 ms 1536 KB Output is correct
5 Correct 15 ms 1664 KB Output is correct
6 Correct 16 ms 1664 KB Output is correct
7 Correct 14 ms 1664 KB Output is correct
8 Correct 14 ms 1664 KB Output is correct
9 Correct 13 ms 1664 KB Output is correct
10 Correct 14 ms 1664 KB Output is correct
11 Correct 14 ms 1536 KB Output is correct
12 Correct 13 ms 1536 KB Output is correct
13 Correct 14 ms 1792 KB Output is correct
14 Correct 15 ms 1788 KB Output is correct
15 Correct 14 ms 1792 KB Output is correct
16 Correct 14 ms 1792 KB Output is correct
17 Correct 14 ms 1792 KB Output is correct
18 Correct 342 ms 1400 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 1280 KB Output is correct
2 Correct 14 ms 1280 KB Output is correct
3 Correct 15 ms 1408 KB Output is correct
4 Correct 14 ms 1408 KB Output is correct
5 Correct 16 ms 1488 KB Output is correct
6 Correct 16 ms 1408 KB Output is correct
7 Correct 15 ms 1408 KB Output is correct
8 Correct 13 ms 1408 KB Output is correct
9 Correct 13 ms 1408 KB Output is correct
10 Correct 14 ms 1408 KB Output is correct
11 Correct 14 ms 1408 KB Output is correct
12 Correct 15 ms 1408 KB Output is correct
13 Correct 15 ms 1408 KB Output is correct
14 Correct 14 ms 1408 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 1408 KB Output is correct
2 Correct 15 ms 1536 KB Output is correct
3 Correct 17 ms 1408 KB Output is correct
4 Correct 13 ms 1408 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 9 ms 1024 KB Output is correct
7 Correct 10 ms 1024 KB Output is correct
8 Correct 12 ms 1024 KB Output is correct
9 Correct 10 ms 1024 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 10 ms 896 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1152 KB Output is correct
2 Correct 12 ms 1152 KB Output is correct
3 Correct 11 ms 1152 KB Output is correct
4 Correct 14 ms 1152 KB Output is correct
5 Correct 11 ms 1152 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 10 ms 1152 KB Output is correct
8 Correct 10 ms 1152 KB Output is correct
9 Correct 10 ms 1152 KB Output is correct
10 Correct 9 ms 1152 KB Output is correct
11 Correct 8 ms 1152 KB Output is correct
12 Correct 5 ms 256 KB Output is correct
13 Correct 4 ms 256 KB Output is correct
14 Correct 5 ms 256 KB Output is correct
15 Correct 4 ms 256 KB Output is correct
16 Correct 5 ms 256 KB Output is correct
17 Correct 4 ms 256 KB Output is correct
18 Correct 4 ms 256 KB Output is correct
19 Correct 4 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 256 KB Output is correct
22 Correct 4 ms 256 KB Output is correct
23 Correct 4 ms 256 KB Output is correct
24 Correct 4 ms 256 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 256 KB Output is correct
27 Correct 4 ms 384 KB Output is correct
28 Correct 4 ms 256 KB Output is correct
29 Correct 4 ms 256 KB Output is correct
30 Correct 5 ms 256 KB Output is correct
31 Correct 4 ms 256 KB Output is correct
32 Correct 112 ms 1588 KB Output is correct
33 Correct 222 ms 1656 KB Output is correct
34 Correct 282 ms 1536 KB Output is correct
35 Correct 16 ms 1536 KB Output is correct
36 Correct 15 ms 1664 KB Output is correct
37 Correct 16 ms 1664 KB Output is correct
38 Correct 14 ms 1664 KB Output is correct
39 Correct 14 ms 1664 KB Output is correct
40 Correct 13 ms 1664 KB Output is correct
41 Correct 14 ms 1664 KB Output is correct
42 Correct 14 ms 1536 KB Output is correct
43 Correct 13 ms 1536 KB Output is correct
44 Correct 14 ms 1792 KB Output is correct
45 Correct 15 ms 1788 KB Output is correct
46 Correct 14 ms 1792 KB Output is correct
47 Correct 14 ms 1792 KB Output is correct
48 Correct 14 ms 1792 KB Output is correct
49 Correct 342 ms 1400 KB Output is correct
50 Correct 12 ms 1280 KB Output is correct
51 Correct 14 ms 1280 KB Output is correct
52 Correct 15 ms 1408 KB Output is correct
53 Correct 14 ms 1408 KB Output is correct
54 Correct 16 ms 1488 KB Output is correct
55 Correct 16 ms 1408 KB Output is correct
56 Correct 15 ms 1408 KB Output is correct
57 Correct 13 ms 1408 KB Output is correct
58 Correct 13 ms 1408 KB Output is correct
59 Correct 14 ms 1408 KB Output is correct
60 Correct 14 ms 1408 KB Output is correct
61 Correct 15 ms 1408 KB Output is correct
62 Correct 15 ms 1408 KB Output is correct
63 Correct 14 ms 1408 KB Output is correct
64 Correct 15 ms 1408 KB Output is correct
65 Correct 15 ms 1536 KB Output is correct
66 Correct 17 ms 1408 KB Output is correct
67 Correct 13 ms 1408 KB Output is correct
68 Correct 5 ms 384 KB Output is correct
69 Correct 9 ms 1024 KB Output is correct
70 Correct 10 ms 1024 KB Output is correct
71 Correct 12 ms 1024 KB Output is correct
72 Correct 10 ms 1024 KB Output is correct
73 Correct 6 ms 512 KB Output is correct
74 Correct 10 ms 896 KB Output is correct
75 Correct 190 ms 1784 KB Output is correct
76 Correct 299 ms 1784 KB Output is correct
77 Correct 398 ms 1664 KB Output is correct
78 Correct 395 ms 1784 KB Output is correct
79 Correct 397 ms 1664 KB Output is correct
80 Correct 15 ms 1664 KB Output is correct
81 Correct 15 ms 1664 KB Output is correct
82 Correct 17 ms 1664 KB Output is correct
83 Correct 16 ms 1664 KB Output is correct
84 Correct 16 ms 1664 KB Output is correct
85 Correct 16 ms 1664 KB Output is correct
86 Correct 16 ms 1664 KB Output is correct
87 Correct 15 ms 1664 KB Output is correct
88 Correct 21 ms 1664 KB Output is correct
89 Correct 16 ms 1664 KB Output is correct
90 Correct 28 ms 1664 KB Output is correct
91 Correct 24 ms 1664 KB Output is correct
92 Correct 37 ms 1784 KB Output is correct
93 Correct 45 ms 1664 KB Output is correct
94 Correct 43 ms 1664 KB Output is correct
95 Correct 44 ms 1664 KB Output is correct
96 Correct 154 ms 1536 KB Output is correct
97 Correct 345 ms 1664 KB Output is correct
98 Correct 593 ms 1784 KB Output is correct
99 Correct 529 ms 1784 KB Output is correct
100 Correct 342 ms 1400 KB Output is correct