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Submission #269528

# Submission time Handle Problem Language Result Execution time Memory
269528 2020-08-17T07:39:06 Z khsoo01 Toy Train (IOI17_train) C++11
100 / 100
 443 ms 1656 KB 
#include "train.h"
#include<bits/stdc++.h>
using namespace std;

const int N = 5005;

int n, deg[N], cur[N];
vector<int> adj[N], rev[N];
bool z[N];

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
	vector<int> res;
	for(int i=0;i<(int)u.size();i++) {
		adj[u[i]].push_back(v[i]);
		rev[v[i]].push_back(u[i]);
		deg[u[i]]++;
	}
	n = a.size();
	for(int i=0;i<n;i++) {
		z[i] = r[i];
	}
	while(true) {
		queue<int> q;
		res.clear();
		for(int i=0;i<n;i++) {
			cur[i] = 0;
			res.push_back(z[i]);
			if(z[i]) q.push(i);
		}
		while(!q.empty()) {
			int C = q.front();
			q.pop();
			for(auto &T : rev[C]) {
				++cur[T];
				if(!res[T] && ((a[T] && cur[T] == 1) || (!a[T] && cur[T] == deg[T]))) {
					res[T] = true;
					q.push(T);
				}
			}
		}
		bool upd = false;
		for(int i=0;i<n;i++) {
			if(!z[i]) continue;
			int C = 0;
			for(auto &T : adj[i]) {
				C += res[T];
			}
			if((a[i] && C == 0) || (!a[i] && C != deg[i])) {
				z[i] = false;
				upd = true;
			}
		}
		if(!upd) break;
	}
	return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1152 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 8 ms 1152 KB Output is correct
4 Correct 11 ms 1152 KB Output is correct
5 Correct 10 ms 1152 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 7 ms 1152 KB Output is correct
8 Correct 8 ms 1152 KB Output is correct
9 Correct 8 ms 1152 KB Output is correct
10 Correct 8 ms 1072 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 544 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 640 KB Output is correct
5 Correct 1 ms 512 KB Output is correct
6 Correct 1 ms 512 KB Output is correct
7 Correct 1 ms 512 KB Output is correct
8 Correct 1 ms 512 KB Output is correct
9 Correct 1 ms 512 KB Output is correct
10 Correct 1 ms 512 KB Output is correct
11 Correct 1 ms 512 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 616 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 512 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 640 KB Output is correct
20 Correct 1 ms 512 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 1512 KB Output is correct
2 Correct 173 ms 1536 KB Output is correct
3 Correct 239 ms 1536 KB Output is correct
4 Correct 11 ms 1408 KB Output is correct
5 Correct 16 ms 1408 KB Output is correct
6 Correct 12 ms 1408 KB Output is correct
7 Correct 13 ms 1408 KB Output is correct
8 Correct 12 ms 1520 KB Output is correct
9 Correct 10 ms 1408 KB Output is correct
10 Correct 10 ms 1408 KB Output is correct
11 Correct 12 ms 1408 KB Output is correct
12 Correct 9 ms 1408 KB Output is correct
13 Correct 10 ms 1408 KB Output is correct
14 Correct 10 ms 1440 KB Output is correct
15 Correct 11 ms 1408 KB Output is correct
16 Correct 11 ms 1408 KB Output is correct
17 Correct 12 ms 1408 KB Output is correct
18 Correct 328 ms 1236 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1280 KB Output is correct
2 Correct 11 ms 1408 KB Output is correct
3 Correct 13 ms 1408 KB Output is correct
4 Correct 11 ms 1408 KB Output is correct
5 Correct 12 ms 1408 KB Output is correct
6 Correct 11 ms 1428 KB Output is correct
7 Correct 11 ms 1408 KB Output is correct
8 Correct 9 ms 1408 KB Output is correct
9 Correct 13 ms 1408 KB Output is correct
10 Correct 11 ms 1408 KB Output is correct
11 Correct 16 ms 1408 KB Output is correct
12 Correct 11 ms 1408 KB Output is correct
13 Correct 14 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 10 ms 1408 KB Output is correct
2 Correct 12 ms 1440 KB Output is correct
3 Correct 10 ms 1408 KB Output is correct
4 Correct 10 ms 1408 KB Output is correct
5 Correct 1 ms 640 KB Output is correct
6 Correct 5 ms 1152 KB Output is correct
7 Correct 6 ms 1152 KB Output is correct
8 Correct 7 ms 1152 KB Output is correct
9 Correct 7 ms 1152 KB Output is correct
10 Correct 3 ms 768 KB Output is correct
11 Correct 8 ms 1152 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 1152 KB Output is correct
2 Correct 8 ms 1152 KB Output is correct
3 Correct 8 ms 1152 KB Output is correct
4 Correct 11 ms 1152 KB Output is correct
5 Correct 10 ms 1152 KB Output is correct
6 Correct 11 ms 1152 KB Output is correct
7 Correct 7 ms 1152 KB Output is correct
8 Correct 8 ms 1152 KB Output is correct
9 Correct 8 ms 1152 KB Output is correct
10 Correct 8 ms 1072 KB Output is correct
11 Correct 5 ms 1152 KB Output is correct
12 Correct 1 ms 544 KB Output is correct
13 Correct 1 ms 512 KB Output is correct
14 Correct 1 ms 512 KB Output is correct
15 Correct 1 ms 640 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 512 KB Output is correct
18 Correct 1 ms 512 KB Output is correct
19 Correct 1 ms 512 KB Output is correct
20 Correct 1 ms 512 KB Output is correct
21 Correct 1 ms 512 KB Output is correct
22 Correct 1 ms 512 KB Output is correct
23 Correct 1 ms 512 KB Output is correct
24 Correct 1 ms 616 KB Output is correct
25 Correct 1 ms 512 KB Output is correct
26 Correct 1 ms 512 KB Output is correct
27 Correct 1 ms 512 KB Output is correct
28 Correct 1 ms 512 KB Output is correct
29 Correct 1 ms 512 KB Output is correct
30 Correct 1 ms 640 KB Output is correct
31 Correct 1 ms 512 KB Output is correct
32 Correct 97 ms 1512 KB Output is correct
33 Correct 173 ms 1536 KB Output is correct
34 Correct 239 ms 1536 KB Output is correct
35 Correct 11 ms 1408 KB Output is correct
36 Correct 16 ms 1408 KB Output is correct
37 Correct 12 ms 1408 KB Output is correct
38 Correct 13 ms 1408 KB Output is correct
39 Correct 12 ms 1520 KB Output is correct
40 Correct 10 ms 1408 KB Output is correct
41 Correct 10 ms 1408 KB Output is correct
42 Correct 12 ms 1408 KB Output is correct
43 Correct 9 ms 1408 KB Output is correct
44 Correct 10 ms 1408 KB Output is correct
45 Correct 10 ms 1440 KB Output is correct
46 Correct 11 ms 1408 KB Output is correct
47 Correct 11 ms 1408 KB Output is correct
48 Correct 12 ms 1408 KB Output is correct
49 Correct 328 ms 1236 KB Output is correct
50 Correct 10 ms 1280 KB Output is correct
51 Correct 11 ms 1408 KB Output is correct
52 Correct 13 ms 1408 KB Output is correct
53 Correct 11 ms 1408 KB Output is correct
54 Correct 12 ms 1408 KB Output is correct
55 Correct 11 ms 1428 KB Output is correct
56 Correct 11 ms 1408 KB Output is correct
57 Correct 9 ms 1408 KB Output is correct
58 Correct 13 ms 1408 KB Output is correct
59 Correct 11 ms 1408 KB Output is correct
60 Correct 16 ms 1408 KB Output is correct
61 Correct 11 ms 1408 KB Output is correct
62 Correct 14 ms 1408 KB Output is correct
63 Correct 14 ms 1408 KB Output is correct
64 Correct 10 ms 1408 KB Output is correct
65 Correct 12 ms 1440 KB Output is correct
66 Correct 10 ms 1408 KB Output is correct
67 Correct 10 ms 1408 KB Output is correct
68 Correct 1 ms 640 KB Output is correct
69 Correct 5 ms 1152 KB Output is correct
70 Correct 6 ms 1152 KB Output is correct
71 Correct 7 ms 1152 KB Output is correct
72 Correct 7 ms 1152 KB Output is correct
73 Correct 3 ms 768 KB Output is correct
74 Correct 8 ms 1152 KB Output is correct
75 Correct 154 ms 1536 KB Output is correct
76 Correct 187 ms 1656 KB Output is correct
77 Correct 254 ms 1536 KB Output is correct
78 Correct 255 ms 1656 KB Output is correct
79 Correct 256 ms 1528 KB Output is correct
80 Correct 10 ms 1408 KB Output is correct
81 Correct 11 ms 1408 KB Output is correct
82 Correct 11 ms 1408 KB Output is correct
83 Correct 13 ms 1408 KB Output is correct
84 Correct 14 ms 1408 KB Output is correct
85 Correct 15 ms 1408 KB Output is correct
86 Correct 14 ms 1408 KB Output is correct
87 Correct 11 ms 1408 KB Output is correct
88 Correct 17 ms 1408 KB Output is correct
89 Correct 11 ms 1408 KB Output is correct
90 Correct 29 ms 1408 KB Output is correct
91 Correct 24 ms 1408 KB Output is correct
92 Correct 45 ms 1408 KB Output is correct
93 Correct 33 ms 1408 KB Output is correct
94 Correct 34 ms 1408 KB Output is correct
95 Correct 38 ms 1408 KB Output is correct
96 Correct 93 ms 1532 KB Output is correct
97 Correct 279 ms 1500 KB Output is correct
98 Correct 413 ms 1408 KB Output is correct
99 Correct 443 ms 1464 KB Output is correct
100 Correct 322 ms 1152 KB Output is correct