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Submission #436126

# Submission time Handle Problem Language Result Execution time Memory
436126 2021-06-24T09:11:36 Z two_sides Toy Train (IOI17_train) C++17
100 / 100
 556 ms 1324 KB 
#include <bits/stdc++.h>

using namespace std;

vector<int> who_wins(vector<int> own,
vector <int> imp, vector<int> from, vector<int> to) {
    int n = own.size(), m = from.size();
    vector<int> deg(n), cnt(n), win(n);
    vector<vector<int>> adj(n);
    queue <int> que;
    for (int i = 0; i < m; i++) {
        adj[to[i]].push_back(from[i]);
        deg[from[i]]++;
    }
    for (bool flag = 1; flag; ) {
        fill(cnt.begin(), cnt.end(), 0);
        fill(win.begin(), win.end(), 0);
        for (int i = 0; i < n; i++)
            if (imp[i]) {
                que.push(i); win[i] = 1;
            }
        while (que.size()) {
            int u = que.front(); que.pop();
            for (int v : adj[u]) {
                if (win[v]) continue;
                if (own[v]) {
                    win[v] = 1; que.push(v);
                } else if (++cnt[v] == deg[v]) {
                    win[v] = 1; que.push(v);
                }
            }
        }
        flag = 0;
        for (int i = 0; i < n; i++)
            if (!win[i]) que.push(i);
        while (que.size()) {
            int u = que.front(); que.pop();
            if (imp[u]) {
                flag = true; imp[u] = 0;
            }
            for (int v : adj[u]) {
                if (!win[v]) continue;
                if (!own[v]) {
                    win[v] = 0; que.push(v);
                } else if (++cnt[v] == deg[v]) {
                    win[v] = 0; que.push(v);
                }
            }
        }
    }
    return win;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 844 KB Output is correct
2 Correct 6 ms 844 KB Output is correct
3 Correct 7 ms 820 KB Output is correct
4 Correct 7 ms 844 KB Output is correct
5 Correct 5 ms 812 KB Output is correct
6 Correct 5 ms 844 KB Output is correct
7 Correct 5 ms 844 KB Output is correct
8 Correct 8 ms 844 KB Output is correct
9 Correct 7 ms 844 KB Output is correct
10 Correct 8 ms 844 KB Output is correct
11 Correct 7 ms 844 KB Output is correct

Subtask #2
10.0 / 10.0

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

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 1280 KB Output is correct
2 Correct 142 ms 1296 KB Output is correct
3 Correct 269 ms 1296 KB Output is correct
4 Correct 9 ms 1228 KB Output is correct
5 Correct 12 ms 1228 KB Output is correct
6 Correct 10 ms 1204 KB Output is correct
7 Correct 10 ms 1228 KB Output is correct
8 Correct 8 ms 1196 KB Output is correct
9 Correct 10 ms 1228 KB Output is correct
10 Correct 8 ms 1176 KB Output is correct
11 Correct 7 ms 1200 KB Output is correct
12 Correct 7 ms 1152 KB Output is correct
13 Correct 8 ms 1228 KB Output is correct
14 Correct 8 ms 1228 KB Output is correct
15 Correct 8 ms 1228 KB Output is correct
16 Correct 12 ms 1200 KB Output is correct
17 Correct 13 ms 1292 KB Output is correct
18 Correct 363 ms 972 KB Output is correct

Subtask #4
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1120 KB Output is correct
2 Correct 11 ms 1100 KB Output is correct
3 Correct 8 ms 1204 KB Output is correct
4 Correct 8 ms 1228 KB Output is correct
5 Correct 8 ms 1228 KB Output is correct
6 Correct 13 ms 1228 KB Output is correct
7 Correct 8 ms 1228 KB Output is correct
8 Correct 8 ms 1228 KB Output is correct
9 Correct 7 ms 1100 KB Output is correct
10 Correct 8 ms 1228 KB Output is correct
11 Correct 14 ms 1208 KB Output is correct
12 Correct 8 ms 1192 KB Output is correct
13 Correct 12 ms 1208 KB Output is correct
14 Correct 10 ms 1200 KB Output is correct

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 1228 KB Output is correct
2 Correct 8 ms 1228 KB Output is correct
3 Correct 19 ms 1228 KB Output is correct
4 Correct 7 ms 1100 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 5 ms 844 KB Output is correct
7 Correct 5 ms 816 KB Output is correct
8 Correct 6 ms 848 KB Output is correct
9 Correct 7 ms 812 KB Output is correct
10 Correct 2 ms 460 KB Output is correct
11 Correct 8 ms 844 KB Output is correct

Subtask #6
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 31 ms 844 KB Output is correct
2 Correct 6 ms 844 KB Output is correct
3 Correct 7 ms 820 KB Output is correct
4 Correct 7 ms 844 KB Output is correct
5 Correct 5 ms 812 KB Output is correct
6 Correct 5 ms 844 KB Output is correct
7 Correct 5 ms 844 KB Output is correct
8 Correct 8 ms 844 KB Output is correct
9 Correct 7 ms 844 KB Output is correct
10 Correct 8 ms 844 KB Output is correct
11 Correct 7 ms 844 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 204 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 292 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Correct 76 ms 1280 KB Output is correct
33 Correct 142 ms 1296 KB Output is correct
34 Correct 269 ms 1296 KB Output is correct
35 Correct 9 ms 1228 KB Output is correct
36 Correct 12 ms 1228 KB Output is correct
37 Correct 10 ms 1204 KB Output is correct
38 Correct 10 ms 1228 KB Output is correct
39 Correct 8 ms 1196 KB Output is correct
40 Correct 10 ms 1228 KB Output is correct
41 Correct 8 ms 1176 KB Output is correct
42 Correct 7 ms 1200 KB Output is correct
43 Correct 7 ms 1152 KB Output is correct
44 Correct 8 ms 1228 KB Output is correct
45 Correct 8 ms 1228 KB Output is correct
46 Correct 8 ms 1228 KB Output is correct
47 Correct 12 ms 1200 KB Output is correct
48 Correct 13 ms 1292 KB Output is correct
49 Correct 363 ms 972 KB Output is correct
50 Correct 7 ms 1120 KB Output is correct
51 Correct 11 ms 1100 KB Output is correct
52 Correct 8 ms 1204 KB Output is correct
53 Correct 8 ms 1228 KB Output is correct
54 Correct 8 ms 1228 KB Output is correct
55 Correct 13 ms 1228 KB Output is correct
56 Correct 8 ms 1228 KB Output is correct
57 Correct 8 ms 1228 KB Output is correct
58 Correct 7 ms 1100 KB Output is correct
59 Correct 8 ms 1228 KB Output is correct
60 Correct 14 ms 1208 KB Output is correct
61 Correct 8 ms 1192 KB Output is correct
62 Correct 12 ms 1208 KB Output is correct
63 Correct 10 ms 1200 KB Output is correct
64 Correct 11 ms 1228 KB Output is correct
65 Correct 8 ms 1228 KB Output is correct
66 Correct 19 ms 1228 KB Output is correct
67 Correct 7 ms 1100 KB Output is correct
68 Correct 1 ms 332 KB Output is correct
69 Correct 5 ms 844 KB Output is correct
70 Correct 5 ms 816 KB Output is correct
71 Correct 6 ms 848 KB Output is correct
72 Correct 7 ms 812 KB Output is correct
73 Correct 2 ms 460 KB Output is correct
74 Correct 8 ms 844 KB Output is correct
75 Correct 166 ms 1260 KB Output is correct
76 Correct 204 ms 1288 KB Output is correct
77 Correct 282 ms 1284 KB Output is correct
78 Correct 280 ms 1276 KB Output is correct
79 Correct 283 ms 1280 KB Output is correct
80 Correct 8 ms 1184 KB Output is correct
81 Correct 8 ms 1228 KB Output is correct
82 Correct 9 ms 1188 KB Output is correct
83 Correct 9 ms 1228 KB Output is correct
84 Correct 9 ms 1228 KB Output is correct
85 Correct 11 ms 1248 KB Output is correct
86 Correct 10 ms 1228 KB Output is correct
87 Correct 8 ms 1228 KB Output is correct
88 Correct 12 ms 1200 KB Output is correct
89 Correct 8 ms 1228 KB Output is correct
90 Correct 15 ms 1280 KB Output is correct
91 Correct 17 ms 1280 KB Output is correct
92 Correct 22 ms 1228 KB Output is correct
93 Correct 23 ms 1324 KB Output is correct
94 Correct 24 ms 1288 KB Output is correct
95 Correct 29 ms 1276 KB Output is correct
96 Correct 72 ms 1192 KB Output is correct
97 Correct 380 ms 1288 KB Output is correct
98 Correct 526 ms 1240 KB Output is correct
99 Correct 556 ms 1236 KB Output is correct
100 Correct 324 ms 972 KB Output is correct